Smallville

Teenager Clark Kent must cope with his emerging superpowers and his love for classmate Lana Lang. Clark befriends Lex Luthor and thwarts a vengeful former student.

Clark discovers that a fellow high school student, Greg Arkin (CHAD E. DONELLA), has been attacked by Kryptonite-affected bugs. Greg has taken on the "eat, molt, mate, die" life cycle of an insect--with Lana as his prey. Clark must rush to save her without revealing his superpowers. Meanwhile, Lex possesses Lana's Kryptonite necklace and ponders what to do with the strange stone.

Clark and Lex defy their respective fathers. Clark joins the football team, against Jonathan's wishes, ultimately discovering that the coach, Walt Arnold (DAN LAURIA), has been altered by Kryptonite and is using fire-starting abilities to hurt anyone who might prevent him from winning. Meanwhile, Lex battles his own father, Lionel Luthor (JOHN GLOVER), for control of LuthorCorp.

Clark reels from his first flashes of X-ray vision. His shock is compounded when he witnesses a bank robbery, apparently by his friend, Lex. Unsure of how to control this new power, Clark nonetheless puts it to use when a Smallville teen who has developed shape-shifting abilities threatens Lana.

Clark has a chance to share a night out on the town with Lana, thanks to Lex's matchmaking, but the evening is interrupted when Clark faces an icy enemy, Sean Kelvin (MICHAEL CORISTINE). Sean is an aggressive flirt who suffers from a Kryptonite-induced case of permanent hypothermia and has to feed off of others' body heat to survive--starting with Chloe.

Clark is wracked with haunting visions when he meets an old woman, Cassandra Carpenter (JACKIE BURROUGHS), who can see the future. Lex schemes to use Cassandra's gift to glimpse his own destiny and learn more about Clark's secret. Meanwhile, a bitter old man, Harry Bollston (GEORGE MURDOCK), discovers a "fountain of youth" and reverts to a teenager. He then seeks revenge on the descendants of jurors who put him in jail decades ago.

Clark must save Pete from being literally devoured by a female classmate, Jodi Melville (AMY ADAMS), whose diet of Kryptonite-affected vegetables causes her to shed weight faster than she can handle, forcing her to satisfy her ravenous hunger by gorging on any available food source. Meanwhile, Lex gets one step closer to the truth about Clark after funding a study on the green meteor fragments.

Clark and Lex team up to rescue members of Clark's high school class after a janitor, Earl Jenkins (TONY TODD), takes them hostage in LuthorCorp's Smallville Fertilizer Plant No. 3. Jenkins claims his deadly "jitters" were caused by a mysterious contaminant, and he threatens to kill everyone unless he is shown a secret sublevel--which Lionel Luthor (recurring guest star JOHN GLOVER) denies ever existed.

Clark's secret identity is jeopardized when a corrupt policeman, Sam Phelan (CAMERON DYE), witnesses Clark using his superhuman powers and coerces him into joining forces. However, when Clark double-crosses the cop, he is not prepared to deal with the consequences for him and his family. Meanwhile, Lex receives an intriguing proposal from his sexy British ex-girlfriend, Victoria Hardwick (recurring guest star KELLY BROOK - "The Big Breakfast").

A teenage girl, Amy Palmer (AZURA SKYE - "28 Days," "Zoe"), lets her obsession with Lex become life threatening as attacks in the Luthor mansion pit Clark against an invisible enemy. Meanwhile, Clark is thrilled when Lana seeks his companionship after Whitney inexplicably rebuffs her.

Clark is amazed when a pesticide magnate, Bob Rickman (RICK PETERS), who has enhanced powers of persuasion due to the meteor fragments, somehow convinces Jonathan to sell the family farm to make way for a new plant. Clark teams with a local hermit, Kyle Tippet (GREGORY SPORLEDER), whose mysterious past holds the secret to saving the town.

When Clark rescues his classmate, Eric Summers (SHAWN ASHMORE), from harm during an electrical storm, they are both struck by lightning--resulting in all of Clark's superpowers being transferred to Eric. While Eric relishes his new life as "Superboy," he soon begins to abuse his new powers. Clark's happiness at finally being a "normal" teenager is tempered by his growing concern for the town's safety. Meanwhile, Lex confronts Clark, believing that he has undeniable proof of Clark's superpowers.

Clark and Lex are mystified when the Luthor mansion is robbed by burglars who seem to have the ability to walk through walls. Lex's curiosity becomes desperation when he discovers that the thieves have stolen evidence of his secret project. Clark wonders if his father's suspicions that Lex is deceitful have been correct.

Lex faces the consequences of a scandal from his past in Metropolis when an old enemy comes to Smallville intent on destroying Lex's life, putting Clark and Lana in danger. While protecting Lex, Clark must also prevent Chloe from investigating the mystery of Clark's adoption.

Clark must solve the riddle of the mysterious Nicodemus flower and Lex's suspicious involvement with it. The plant infects the residents of Smallville, removing their inhibitions: Jonathan becomes lazy, Lana tries to seduce Clark and Pete attempts to kill Lex. The victims then go into a deadly coma.

After Martha accidentally hits a young boy with her car, the Kents take him in until they can locate his parents. They are unaware that the boy can read minds and has discovered the hidden thoughts of Lex, Lana, Jonathan and Martha, putting Clark's secret in jeopardy. Meanwhile, Lex must decide if he wants to accept a job offer from his father, Lionel (recurring guest star JOHN GLOVER), which would entail moving back to Metropolis.

Clark must stop a meteorite-infected man, Tyler Randall (REYNALDO ROSALES), who seeks to relieve the suffering of the sick and elderly with a deadly touch. Whitney's ailing father might be Tyler's next victim. Meanwhile, Lex becomes furious when his father sends someone to peruse LuthorCorp's financial records, and the investigator exposes Lex's secret investigation into Clark and his family.

Clark seeks election as class president, hoping for the opportunity to be a normal kid. However, when two of his opponents are attacked by a swarm of bees, Clark suspects that one of the other candidates is eliminating the competition--and Clark might be next on the list.

Clark confronts an unexpected foe when a talented art student, Justin Gaines (ADAM BRODY), returns to school after being hit by a car. The accident robbed Justin of the use of his hands--but it left him with the gift of telekinesis, and he uses the power for revenge against those he considers responsible for his condition. Meanwhile, after observing Clark with Chloe, Lana becomes jealous and begins to question her relationship with Whitney.

After witnessing an explosion near some meteor fragments, Lana gains the ability to see through other people's eyes. Clark and Lana race to find Chloe after Lana "watches" Chloe being kidnapped and buried alive. Meanwhile, Lex discovers evidence that a spaceship landed in Smallville during the meteor shower.

As a massive tornado approaches the unsuspecting Smallville, Clark finds a missing piece of the spaceship that carried him to Earth. The part activates the disabled craft, giving Clark the first clue as to where he came from. Meanwhile, Lex experiences two disturbing events: His father, Lionel (recurring guest star JOHN GLOVER), closes the plant and orders Lex to return to Metropolis, and the deceitful reporter Lex hired to spy on the Kents discovers Clark's superhuman abilities and the spaceship hidden in the storm cellar. Members of the rock band Remy Zero (themselves) perform their hit single "Save Me"--the "Smallville" theme song--at the Smallville High School formal dance.

Over a decade ago, a meteor shower brought destruction to the unsuspecting citizens of Smallville, Kansas. Since then, strange events have occurred, apparently because of the meteorites, which accompanied a spaceship carrying a toddler who grew into a teenager, Clark Kent (series star TOM WELLING), in the care of his adoptive parents, Jonathan (series star JOHN SCHNEIDER) and Martha (series star ANNETTE O'TOOLE) Kent. Jonathan, Martha and Clark carefully hide the fact that Clark possesses unearthly powers, even from his best friends and classmates Chloe Sullivan (series star ALLISON MACK)--the intrepid investigative reporter for the Smallville High Torch--and straight-talking Pete Ross (series star SAM JONES III). Clark struggles with his feelings for both the beautiful girl next door, Lana Lang (series star KRISTIN KREUK), and the more receptive Chloe.

Clark goes into hiding after he discovers his startling new power that quickly gets out of control and accidentally harms Lana. Meanwhile, a sexy new teacher, Desiree Atkins (KRISTA ALLEN), uses meteor-enhanced pheromones to convince Lex to marry her and then spellbinds Jonathan. Clark must learn how to control this new ability in time to prevent Jonathan from killing Lex.

After one of his friends discovers Clark's spaceship in the cornfield, Clark defies his parents' wishes and reveals his secret to the person--who gives him a shocking reaction. Meanwhile, Lex clashes with one of his scientists, Dr. Steven Hamilton (recurring guest star JOE MORTON).

When the school unwittingly uses red meteor rocks in its class rings, Clark experiences a new meteorite effect: Stunning his friends and family, he becomes a rebellious and dangerous teenager who uses his powers for malevolence instead of good. Jonathan and Martha scramble to find an explanation for Clark's behavior before he exposes his true identity to the world. Meanwhile, Lana is drawn to the "new" Clark, who openly declares his love for her.

Clark becomes concerned when a mysterious poet, Byron Moore (SEAN FARIS), leaves love notes for Lana at her parents' grave. Clark warns her to stay away from Byron, but she is intrigued. After a mishap, Clark and Lana befriend the elusive boy and find out that he sneaks out of his house, where his parents keep him locked up in chains. They become determined to save Byron--but he has a dangerous secret.

Because the farm is in financial trouble, Martha asks her estranged father, William Clark (GEORGE COE), for help. Clark is thrilled at the prospect of meeting his grandfather, but Clark's forced reunion doesn't go as planned because of an argument between Jonathan and William. Meanwhile, Lana discovers an old photograph that suggests her father may still be alive.

A mysterious woman, Rachel Dunlevy (BLAIR BROWN - "The Days and Nights of Molly Dodd"), visits the Kents and claims to be Clark's mother, prompting them to finally tell Clark what happened after they discovered him in the cornfield that fateful day. Clark learns why his father hates the Luthors, how his adoption was arranged--and who else has rescued Lex from death.

Clark tests the limits of his powers to save his young telepathic friend, Ryan (recurring guest star RYAN KELLEY), from an evil doctor who wants to control the boy's abilities. Meanwhile, Lana's aunt and guardian, Nell (recurring guest star SARAH-JANE REDMOND), tells Lana that she plans to move the family to Metropolis.

When Clark tries to warn Lana and Chloe about Ian (JONATHAN TAYLOR THOMAS - "Home Improvement," "Wild America"), an overachieving student who is surreptitiously dating both girls, they accuse Clark of jealousy. But Lana and Chloe realize too late that Clark was right. Meanwhile, frustration with his father causes Lex to become enraged and attack a parking officer's car with a golf club. Forced to attend anger management class, Lex meets an interesting woman, Dr. Helen Bryce (recurring guest star EMMANUELLE VAUGIER - "My Guide to Becoming a Rock Star").

While dirt-biking with Pete, Clark falls into a cave and discovers two hidden treasures: ancient Native American inscriptions that hold the key to his identity and a beautiful girl whom he believes to be his soul mate. Desperate to preserve the writings, Clark pits father against son by enlisting Lex's help in stopping Lionel's construction crew from demolishing the cave.

Whitney Fordman (former series star ERIC JOHNSON) returns home from a tour of duty with the Marines, hoping to renew his relationship with Lana. However, Whitney's suspicious behavior prompts Clark to question his friend's motives--ultimately revealing a shocking truth. Meanwhile, Lex distrusts his new girlfriend, Dr. Helen Bryce (recurring guest star EMMANUELLE VAUGIER), after he finds a photograph of her with Lionel.

After discovering that Lionel has secretly installed video cameras in the mansion, Lex hires thugs to put surveillance devices in Lionel's Metropolis office. However, the situation gets out of control when Lionel and Martha surprise the interlopers and are taken hostage. Desperate for a way to save his mother without exposing his powers, Clark must access the office from an adjacent tall building--if he can make the leap in a single bound.

After Lionel is shot and wounded, Jonathan is arrested. But Clark and Pete perform their own crime scene investigation and realize that more than one person had the opportunity and motive to harm Lionel--including Lex. Meanwhile, Lana becomes suspicious when her lawyer father, Henry (recurring guest star PATRICK CASSIDY), mysteriously refuses her request to defend Jonathan.

After a parasitic worm infects Pete and Chloe, they become thrill-seeking daredevils, and Pete uses red meteor rocks to persuade Clark to join them on a dangerous adventure. Not only does Clark display his powers, he also kisses Chloe--as witnessed by a stunned Lana.

Lex finds Lucas (PAUL WASILEWSKI), the son Lionel gave up for adoption, and brings him home in the hope that they can unite against Lionel. But when Lionel's machinations put all three of them in a dangerous situation, Lex is left to wonder whom he can really trust. Meanwhile, Clark decides to take a job at the Talon.

Martha is seriously sickened by meteor dust, and Clark and Jonathan desperately try to help her. But when Clark becomes infected as well, he finds out just how vulnerable he can be. Only a miracle can save Clark and his mother--and the amazing secret she holds within. Meanwhile, Lex confronts his feelings for Helen (recurring guest star EMMANUELLE VAUGIER) as she considers an enticing out-of-town research position. And Chloe and Lana cope with the unthinkable possibility that they may lose Clark forever.

Determined to find out where he came from, Clark travels to New York to meet Dr. Virgil Swann (CHRISTOPHER REEVE - "Superman" movies), a brilliant scientist who possesses a message for Clark from his home planet. Meanwhile, Lana decides to move out of Chloe's house--and into the Luthor Mansion--after the two girls get into another argument about Clark.

After his schoolmate, Cyrus Krupp (JEREMY LELLIOTT), claims to be an alien and seemingly proves it by using heat vision, Clark investigates and begins to believe that the boy is from Clark's home planet, Krypton. Meanwhile, when Helen (recurring guest star EMMANUELLE VAUGIER) discovers a locked room in the Luthor mansion, she demands to know what is inside--and Lex must decide whether or not to admit the truth about his ongoing investigation of Clark.

After Lana is almost assaulted by a college student, Clark loses control and injures him. The Kents are then sued for punitive damages that could cost them the farm, and Clark questions his powers--while trying to find a way to forestall the lawsuit. Meanwhile, Helen's ex-boyfriend arrives in town intent on winning her back. When she rebuffs him, he stalks her, prompting Lex to take action.

Clark inadvertently witnesses the robbery of a LuthorCorp truck carrying kryptonite and is stunned to realize that he can't stop the thieves--they are as strong as he is. To keep Clark from telling the police, the thugs attack Jonathan and Martha, leaving Clark feeling powerless and desperate for a way to protect his parents.

After Lana is visited by the ghost of her childhood friend, she turns to Clark for help in uncovering the truth about the strange visitor. However, Clark realizes that the little girl is actually a kryptonite-enhanced clone, and he rushes to save Lana before the revenge-seeking child harms her. Meanwhile, Lex learns that Lionel is funding the cloning research.

When Dr. Fredrick Walden (recurring guest star ROB LaBELLE), the famed linguist who was injured while studying the caves, awakens suddenly from a coma, he possesses fantastic powers and goes on a dangerous mission. Meanwhile, Lana helps Clark celebrate his "birthday" in a very special way. Lex and Helen endure doubts and stress while planning their wedding. And Lionel forges a surprising alliance with Chloe.

In the season finale, Clark makes an astonishing discovery about his origins--and faces the choice of his lifetime. Meanwhile, Clark and Lana agonize over a rift with Chloe. Lionel comes closer to solving the mystery of the cave writings. And Lex and Helen's wedding becomes a much more dramatic event than anyone envisioned.

Over a decade ago, a meteor shower rained destruction on Smallville, Kansas. Since then, strange events have occurred, apparently because of the meteorites, which accompanied a spaceship carrying a toddler who grew into a teenager, Clark Kent (series star TOM WELLING), in the care of his adoptive parents, Jonathan (series star JOHN SCHNEIDER) and Martha (series star ANNETTE O'TOOLE) Kent. Jonathan, Martha and Clark carefully hide Clark's unearthly powers, even from his best friends, Chloe Sullivan (series star ALLISON MACK)--the intrepid investigative reporter for the Smallville High Torch--and the beautiful Lana Lang (series star KRISTIN KREUK), the object of Clark's affection. But straight-talking classmate Pete Ross (series star SAM JONES III) knows the amazing secret and has proven himself a worthy ally to Clark, who has also befriended mogul Lex Luthor (series star MICHAEL ROSENBAUM), son of the ruthless tycoon Lionel Luthor (series star JOHN GLOVER).

After Clark's Kryptonian father (voice of TERENCE STAMP - "Superman II") grants him temporary superpowers, Jonathan engages Clark in a destructive battle atop the LuthorCorp building. Jonathan is determined to counteract the mind-altering red Kryptonite ring and bring Clark home. Meanwhile, Lex returns from a deserted island and tries to figure out whether it was Lionel or Helen (recurring guest star EMMANUELLE VAUGIER) who arranged his plane crash.

Clark discovers that someone is hunting people who have been affected by the meteor rocks--and the killer's next target is Lex. Clark uses his powers to save Lex but is caught off guard when the killer learns his weakness and shoots him with a kryptonite bullet. Meanwhile, Lex returns to work for LuthorCorp, but the animosity between him and his father continues unabated.

Clark dreams that he is being pursued by a frightened young girl who needs his help. However, after he discovers she is actually the apparition of a comatose neighbor who should have woken up years ago, he enlists Lana's help to uncover the truth--which puts Lana in grave danger. Meanwhile, Lionel demands that Lex undergo a full psychological evaluation before Lex can return to LuthorCorp.

Perry White (MICHAEL McKEAN - "A Mighty Wind," "Best in Show," real-life husband of series star ANNETTE O'TOOLE), a once-promising journalist whose career was destroyed by Lionel Luthor, arrives in Smallville in search of alien stories for a tabloid news show. Although he is constantly inebriated, Perry believes he has witnessed Clark using his extraordinary speed, so he devises a dangerous scheme to expose Clark's superpowers. Meanwhile, Lex learns that Perry has powerful incriminating evidence of Lionel's past wrongdoings.

Lana's great-uncle, Dexter McCallum (TOM HEATON), who was convicted of murdering his wife 40 years ago, shows Lana a picture of the man he believes really killed her great-aunt--and she is shocked to notice that the drifter looks exactly like Clark. Convinced that the man was his Kryptonian father, Clark investigates and finds a Kryptonian medallion that allows him to see bits of the past--and the life that was planned for him long before he arrived on Earth. In flashbacks, series star KRISTIN KREUK plays a dual role as Lana's aunt, Louise McCallum, and series star TOM WELLING plays a dual role as Clark's Kryptonian father, Jor-El.

Clark is suspicious when Lana suddenly becomes attracted to a fellow student, Seth Nelson (KEVIN ZEGERS), and begins to act rebelliously, which eventually lands her in jail. Clark's fears are confirmed when he discovers that Lana's new boyfriend has magnetic powers that can move objects and alter human emotions. However, when Clark attempts to free Lana from the paranormal control, she tries to kill him. Meanwhile, Lex discovers that Chloe has been delving into Lionel's past and asks her to join forces with him against his dad. Singer/songwriter JOSH KELLEY performs.

Lex locates Morgan Edge (now played by PATRICK BERGIN - "Sleeping With the Enemy")--who has undergone facial reconstruction--and gets him to admit to criminal dealings with Lionel. But before Lex can report his knowledge to the authorities, someone tries to kill him at the mansion. After barely surviving, Lex flees and asks Clark for help. However, when Clark returns to the mansion to investigate, he finds nothing amiss. He begins to wonder if what Lex described really happened, especially after Lionel discloses that Lex has had a psychotic breakdown and must be institutionalized.

Lex languishes in the sterile confines of Belle Reve Sanitarium, where his father has placed him. Scheming to escape and prove his sanity, Lex gets involved with three inmates who are also vengeful former residents of Smallville: murderous Van McNulty (recurring guest star JESSE METCALFE); Eric Summers (recurring guest star SHAWN ASHMORE), who once temporarily gained Clark's powers; and Ian Randall (recurring guest star JONATHAN TAYLOR THOMAS), who can physically split himself into two people. Meanwhile, Clark tries desperately to help Lex, who now knows Clark's secret identity. And Lana begins the painful recovery process after being trampled by a horse. She finds a kindred spirit in a determined fellow patient, Adam (recurring guest star IAN SOMERHALDER).

While attempting to stop a robbery, Clark shoots a burst of heat vision that is accidentally reflected back into his eyes by a piece of Kryptonite, causing temporary blindness. He soon discovers that his body has developed extremely sensitive hearing to compensate for his vision loss. But as with all of his other gifts, Clark doesn't quite know how to control the new power at first.

Clark and Lana each try to kill Chloe for unknown reasons after they receive a mysterious e-mail from the Summerholt Institute. Clark must discover the source of these e-mails after Chloe reveals she has uncovered proof that the laboratory is involved in mind-control research--and someone wants to prevent her from writing an exposé. Meanwhile, Lana rents the apartment above The Talon to Adam (recurring guest star IAN SOMERHALDER), even though she feels he is hiding something dangerous about his past.

Clark discovers that his schoolmate Jordan (JOSEPH CROSS) can foresee the future, and he is horrified when Jordan predicts that Lana will die in a fire in the next few days. Meanwhile, suspicious of Adam's (recurring guest star IAN SOMERHALDER) behavior, Chloe investigates his background and finds some disturbing facts.

After Pete defies corrupt street-racing promoters who want him to purposely lose, the thugs that run the illegal events threaten his life. Pete asks Clark to use his powers to stop them. Furious that Pete would put him in this position, Clark must figure out a way to save Pete and still protect his own secret. Meanwhile, Jonathan begins to suffer the consequences of his deal with Clark's biological father.

Clark is forced to use his powers within sight of Alicia (SARAH CARTER - "Final Destination 2," "Black Sash"), a new girl at school, but he is surprised to find out she has powers of her own. The two develop a bond through their shared secret, but the situation gets ugly after Alicia becomes obsessive about having to share Clark with anyone else--especially Lana. Meanwhile, Lana asks Lex to investigate Adam (recurring guest star IAN SOMERHALDER).

While his father is awaiting surgery, Clark befriends a young boy, Garrett (JAMES KIRK), whose brother Vince (TAHMOH PENIKETT) dies from liver failure. However, everyone is shocked when Vince shows up at the hospital, alive and seemingly well--until his liver starts failing again. In a desperate attempt to keep his brother alive, Garrett straps a meteor-rock bomb to himself and demands that Vince be given Jonathan's liver.

Clark receives a panicked call from Lana and hears a gunshot before the line goes dead--but when he finds her, he is stunned to discover she is alive and well. After investigating with Chloe and Pete, Clark realizes that the events he heard have not happened yet, and Adam (recurring guest star IAN SOMERHALDER) is the person who will shoot Lana the following day. When Lex takes Clark to the LuthorCorp laboratory where Adam was being held, they find all of the staff murdered, and Lex suspects his father is responsible.

When Jonathan acts strangely, Clark believes that his Kryptonian father, Jor-El (voice of TERENCE STAMP - "Superman II"), is sending Jonathan messages and is the cause for his father's withdrawal from the family. Clark goes down to the caves to confront his biological father, but Lionel finds Clark there and begins putting the pieces together--leading him straight to reclusive scientist Dr. Virgil Swann (recurring guest star CHRISTOPHER REEVE), who knows Clark's origins. As the two billionaires face off, a deal is struck, and Lionel's true motives are revealed.

When Chloe accidentally inhales a mysterious gas, she discovers that it gives her the ability to get the truth from anyone who comes in contact with her--and she goes to the Kents to find out Clark's secret. However, her new power is not without its consequences, and Clark must find an antidote before she discovers too much about him or, worse, dies.

To regain key incriminating information about his father's past that he lost when his memory was erased, Lex joins an experimental program headed by Dr. Garner (recurring guest star MARTIN CUMMINS). Knowing that Lex will also remember the secret of Clark's powers if he regains his memory, Clark tries to stop him--but Lionel and Garner capture Clark and expose him to the same radical treatment, hoping to reveal his mystery.

When a Kawatche man, Jeremiah Holdsclaw (recurring guest star NATHANIEL ARCAND - "The Lone Ranger"), steals a mythical knife from the caves, he is bestowed with superpowers similar to Clark's and comes to believe he is the savior Naman, "the man who fell from the stars." Clark learns the Kawatche legend that the knife can kill Naman's greatest enemy and sets out to reclaim the weapon before Jeremiah can use it on Lionel to fulfill the ancient prophecy. Series star JOHN SCHNEIDER directed the episode.

Clark decides to tell Lana his secret so they can finally be together. Meanwhile, a rogue FBI agent kidnaps and tortures Pete to force him to reveal Clark's secret. Lex panics after the FBI gives him 24 hours to divulge information on his father or face jail time--but help arrives from an unexpected source.

Kara (ADRIANNE PALICKI), a beautiful girl who possesses superpowers and claims to be from the planet Krypton, tries to entice Clark to fulfill his destiny. Overwhelmed, Clark turns to his parents for advice but is shocked when Kara forces Jonathan to finally reveal the deal he made with Clark's biological father. Also, Clark makes a discovery that ultimately redefines his relationship with Lex, and Clark's relationship with Lana reaches a new stage. Meanwhile, the FBI investigation triggers the latest battle between Lex and Lionel.

Over a dozen years ago, a meteor shower burst from the heavens, raining destruction on the unsuspecting citizens of Smallville, Kansas. The intervening years have left the town's inhabitants with scars and secrets. From the ashes of tragedy, Clark Kent has grown into a teen. The guardians of Clark's secret identity have always been his adoptive parents, Jonathan and Martha Kent. The knowledge that his life is out of control has recently forced Clark to keep Lana Lang, the girl he loves, at arm's length. Over the years, Clark has forged a remarkable relationship with Lex Luthor, although neither has an inkling of how their destinies will ultimately collide. Clark returns from a bizarre phantom zone to Smallville, possessed by his Kryptonian alter ego, Kal-El. Intent on fulfilling his destiny, Kal-El takes to the skies to steal a powerful Kryptonite crystal.

Clark and Lois (recurring guest star ERICA DURANCE) investigate Chloe's apparent murder, but Lois' father, General Sam Lane (recurring guest star MICHAEL IRONSIDE - "The Perfect Storm"), impedes their progress. Lois suspects that her dad knows more about Chloe's death than he will admit, and Clark discovers that Sam has recently been in contact with Lex. Jason arrives from Paris and convinces Lana to continue their relationship. Suspecting that Chloe is still alive, Lionel sends an assassin--with the ability to morph his limbs into metallic weapons--to keep Chloe from testifying against him.

Clark encounters a surprising new foe when Abigail Fine (BRIANNA LYNN BROWN), a shy high school girl, undergoes plastic surgery to enhance her looks and boost her popularity. But she discovers that her kryptonite-enhanced beauty causes harm to anyone she kisses--and Abigail decides her next victim will be Lana. Meanwhile, Jason and Lana continue to hide their relationship from Clark.

Clark joins the football team at school and immediately gets promoted to starting quarterback after the former quarterback fights with Jason, the team's new assistant coach. Curious about the behavior change in his teammate, Clark and Lois (recurring guest star ERICA DURANCE) investigate and discover that the cheerleaders are poisoning the team's water with Kryptonite, turning the players into perfect boyfriends.

After Jonathan's wallet is stolen, Clark uses his super speed to chase after the thief, Bart, aka The Flash (KYLE GALLNER), but is stunned when he cannot catch him. Bart visits the farm and tries to persuade Clark to leave Smallville for a life on the road together, flexing their superpowers. Meanwhile, Lex buys a priceless framed manuscript with Kryptonian symbols, and Clark learns that it contains a mysterious hidden map. However, when Bart steals the manuscript from Lex, he inadvertently puts Clark's life in danger and must make a decision to save Clark or himself.

Clark hears a painful ringing sound and is compelled to go to the penitentiary that houses Lionel. When he sees Lionel attempt to stab Lex with a strange glowing stone, Clark grabs for the rock causing Lionel and Clark to switch bodies. After learning his new body has superpowers, Lionel immediately begins wreaking havoc on Smallville. Trapped in prison without his powers, Clark must find a way to get his body and powers back in order to save his friends and family.

Chloe becomes entangled in an underground gambling ring at school run by foreign exchange student Mikail Mxyzptlk (TRENT FORD - "The West Wing") who uses his powers to control all of the football players--including Clark--during a game. When Chloe discovers Mxyzptlk's secret, he kidnaps her and threatens to kill her unless Clark purposely makes his team lose the championship game. Meanwhile, Lex threatens Mxyzptlk with deportation unless he uses his powers for Lex's benefit.

After Lana reads from a book written in the 1600s containing magical spells, she, Lois (recurring guest star ERICA DURANCE) and Chloe become possessed by witches who had been burned at the stake. The three witches have returned to seek revenge, and they search for the powerful Kryptonian crystals, wreaking havoc on the town. Clark attempts to stop the witches, but they strip him of his powers and force him to reveal the location of the crystal he hid in the cave.

After Lex is accused of killing a young woman, Clark sets out to prove his innocence and asks an unlikely source for help--Lionel. Swearing he is a changed man, Lionel offers Clark insight into the crime, but he asks for something in return. Meanwhile, Lana meets Jason's parents and has a vivid flashback of the incident in Paris when she got her tattoo. Lana suspects that Jason's mother, Genevieve (recurring guest star JANE SEYMOUR - "Dr. Quinn, Medicine Woman," "Somewhere in Time"), was present when Lana got tattooed.

A secret experiment that Lex is conducting at LuthorCorp goes terribly awry and causes the release of a dangerous toxin into the air. Smallville residents infected by the toxin--including Clark, Lana, Lex and Jason--imagine their greatest fears coming true and lapse into a coma. Desperate to find a cure, Clark gives some of his blood to Lex and is stunned at what his friend does with the antidote.

Claiming to be cured, Alicia (recurring guest star SARAH CARTER - "Final Destination 2") is released from Belle Reve psychiatric hospital and arrives in Smallville to rekindle her relationship with Clark. Initially skeptical of Alicia, Clark eventually enjoys having a relationship with someone who knows his secret, but when she wants more, he hesitates--causing Alicia to use red Kryptonite on him. "Bad Clark" emerges and whisks Alicia off to get married in Las Vegas. Meanwhile, Lana decides to have sex with Jason in order to win him back.

Lana and Jason are attacked and almost killed by an unseen assailant, and recent psychiatric patient Alicia (recurring guest star SARAH CARTER) seems to be the prime suspect. Clark initially defends his new girlfriend, but when the evidence begins to pile up, he is forced to take a hard, truthful look at Alicia. Hurt by Clark's actions, Alicia forces Clark to unknowingly reveal his powers in front of Chloe. Meanwhile, Jason's mother, Genevieve (recurring guest star JANE SEYMOUR), returns to town with an offer for Lex.

In an effort to recruit Clark for the university's football team, Metropolis University sends its star player, Geoff Johns (CHRIS CARMACK - "The O.C."), to show Clark the advantages of attending Met U. However, after one of Met U's players dies under mysterious circumstances, and Lois (recurring guest star ERICA DURANCE) is arrested for his murder, Clark discovers that Geoff has superpowers and is using them to paralyze anyone who gets in his way--including Lois. Meanwhile, Chloe continues to observe Clark to learn more about his secret.

After Lois (recurring guest star ERICA DURANCE) accidentally hits a dog with her car, she brings it to the farm to heal. Clark realizes the dog possesses superpowers when the canine lifts up a car to retrieve a ball. Clark and Lois discover that the dog is the result of an aborted LuthorCorp experiment and is being used to help commit crimes. But when Lois gets kidnapped by robbers and Clark becomes weakened by Kryptonite, only the dog can save them. Meanwhile, Lana questions Jason's involvement in the schemes of his mother, Genevieve (recurring guest star JANE SEYMOUR).

After learning that Jason and Lex are in China searching for one of the mysterious crystals, Clark and Lana follow in the hopes of finding one first. Clark discovers an artifact that leads them to the crystal, but he must battle Isobel, the witch, who has once again inhabited Lana's body in order to take the crystal for herself. Meanwhile, Lex knows more about the crystals than he admits.

Lois' (recurring guest star ERICA DURANCE) younger sister, Lucy (PEYTON LIST), with whom Lois doesn't get along, visits Smallville and charms everyone she meets. However, Clark discovers a darker side to Lucy after he catches her stealing money from a bar. Clark forces Lucy to reveal the truth about her sudden appearance in town--a truth that puts Lois in grave danger. Meanwhile, the crystal disappears from Lana's apartment, and Jason accuses Lionel of stealing it.

A glimpse of the future Lex Luthor is revealed after a Kryptonite explosion splits Lex in two, and his evil side--Alexander--is released. Alexander immediately imprisons Lex in the mansion and begins his rampage by attempting to kill Clark and Chloe in the lab, jousting with Lionel and convincing him to return to the dark side and, finally, threatening to close The Talon unless Lana moves in with him.

A stunned Chloe is nominated for prom queen and tries to enlist her reluctant friends Clark and Lana to attend the dance with her. Chloe's rival for queen, Dawn Stiles (BEATRICE ROSEN), crashes her car into a ravine filled with Kryptonite. Dawn's spirit is released and enters the bodies of the others--making them behave uncharacteristically. As a result, Lana asks Clark to be her prom date, Lois (recurring guest star ERICA DURANCE) attends the prom, and Chloe attempts to set the school on fire. Lex gives the seniors a special gift by getting the band LIFEHOUSE (themselves) to perform at the dance.

Kevin Grady (JONATHAN BENNETT - "Mean Girls," "All My Children") possesses the ability to make people lose their memories. Kevin unleashes his power on Clark, causing him to suffer total amnesia. Chloe discovers Clark's malady and teaches him about his superpowers--while simultaneously trying to keep Clark from accidentally revealing his powers to others. Consequently, Clark meets Lana, becomes enamored of her and decides to share his secret with her. Seizing the perfect opportunity, Lex tries to convince Clark to show him where the three stones are hidden.

Clark and Lana discover an abandoned baby in a cornfield and take him back to the Kent farm. But when the newborn ages to a 7-year-old in a matter of days, Clark and Lana frantically search for a cure before the rapid-aging disease kills him. Meanwhile, Genevieve (recurring guest star JANE SEYMOUR) orders Lionel to kill Lana or Genevieve will send him back to prison.

Torch photographer Brendan Nash (STEVEN GRAYHM) sets up a secret, simulated high school environment and kidnaps fellow seniors--starting with Chloe--to keep the fun of high school going forever. Meanwhile, Lex and Lionel are abducted and tortured by Jason and Genevieve (recurring guest star JANE SEYMOUR), who demand to know where their missing crystal is. However, after she realizes Lana possesses the element, Genevieve decides to permanently end her battle with Lana.

Clark discovers the reason he was sent to Earth after a nightmare foretells a horrible event that's about to befall Smallville, and he visits the cave to seek answers from Jor-El. His biological father tells Clark he must reunite the three crystals immediately or an enormous disaster will devastate the planet that even Clark won't be able to stop or survive. Meanwhile, after finding Lana with Genevieve Teague's dead body, Lex helps the teen escape Smallville then takes shocking action to get one of the crystals away from Lionel. Realizing the elements are connected to Clark, Chloe tries to stop Lex from discovering the truth.

More than a dozen years ago, a meteor shower burst from the heavens, raining destruction on the unsuspecting citizens of Smallville, Kansas. The intervening years have left the town's inhabitants with scars and secrets. From the ashes of tragedy, Clark Kent (series star TOM WELLING) has grown into an awkward teen. While adolescence always brings its challenges, Clark's transition from boyhood to manhood has been particularly difficult. He has struggled to come to grips with his emerging superpowers--and the effects of various forms of kryptonite--while battling the strange things that have plagued this idyllic Midwest hamlet since the meteor shower. The guardians of Clark's secret identity have always been his adoptive parents, Jonathan (series star JOHN SCHNEIDER) and Martha Kent--although Clark's friend Chloe Sullivan recently learned of Clark's powers.

Jor-El (voiced by TERENCE STAMP) strips Clark of his powers, making him human. Delighted to finally be "normal," Clark pursues a relationship with Lana. However, after Lana, Jonathan and Martha are taken hostage by three thugs, Clark must find a way to save his family without his superpowers.

Chloe is warned by former classmate Gabriel (JOHNNY LEWIS) that he is going to set off a missile and obliterate all of Smallville. Still stripped of his superpowers, Clark confronts Gabriel and is shot. In the hospital, Clark flatlines, and his fate is left in Jor-El's (voiced by TERENCE STAMP) hands. Meanwhile, Lex believes Lionel has the key to open Clark's spaceship.

A summer beach party at Crater Lake takes a dramatic turn when Lois (recurring guest star ERICA DURANCE) hits her head while jumping into the lake. Before Clark can save her, a mysterious swimmer named AC (ALAN RITCHSON) comes to her rescue, out-swimming Clark and leaving him baffled. Professor Fine (recurring guest star JAMES MARSTERS) tells Clark that Lex is behind a covert weapons manufacturing operation. AC breaks into a LuthorCorp facility in an attempt to destroy one of Lex's dangerous experiments and is captured by Lex.

Lana enrolls at Metropolis University at the last minute and is forced to join a sorority in order to get housing at such a late date. However, her new sorority sisters offer her more than a place to live after they turn her into a vampire and instruct her to kill Clark. Meanwhile, Chloe applies for an internship at The Daily Planet, but the newspaper's formidable editor, Pauline Kahn (CARRIE FISHER - "Star Wars"), may be more then she can handle.

Clark and Jonathan are thrilled when Jake Jennings (TOM WOPAT - John Schneider's fellow star in the series "The Dukes of Hazzard"), Jonathan's oldest friend, comes to the Kent farm looking for their support in his campaign for reelection to the Senate. However, after a woman named Melissa (SARAH MUTCH) turns up dead, it is revealed that she was a stripper and Jennings' mistress, which makes Jennings the prime suspect. Searching for answers, Chloe convinces Lois (recurring guest star ERICA DURANCE) to go undercover as a stripper, but things take a dangerous turn when Lois is kidnapped by a diplomat's son who intends to sell her into slavery.

Clark is exposed to silver kryptonite, causing him to have paranoid delusions. The element makes him believe that Chloe is going to reveal his secret; Jonathan is scheming against him with Lionel; and Lex and Lana are having a secret relationship. Chloe and the Kents frantically search for a cure; however, it is Professor Fine (recurring guest star JAMES MARSTERS) who comes to Clark's rescue--but not without his own agenda.

After Martha contracts a strange disease and is given hours to live, Clark asks Professor Fine (recurring guest star JAMES MARSTERS) for help. The professor convinces Clark that Jor-El is responsible for Martha's illness and that the only way to save her is to destroy the Fortress of Solitude. However, once the two arrive at the Fortress, Professor Fine tries to free Zod and kill Clark.

Lex is given an envelope with damaging information that could destroy Jonathan's life and must decide whether or not he will use it, as it would also bring harm to Clark and Martha. Before he can choose what to do, Lex is shot and falls into a coma. He dreams that his mother, Lillian (recurring guest star ALISEN DOWN), visits him and shows him the life he could lead if he walks away from his father and LuthorCorp. In this alternate life, Lex is happily married to Lana with a baby on the way. Meanwhile, Chloe asks Clark to use his powers to deliver Christmas presents to needy kids.

Jonathan receives threats on his life from a mysterious source who urges him to drop out of the senate race. Later, Clark finds his dad bloody and beaten and is determined to find Jonathan's attacker. Clark discovers that a group of Lex's followers will do anything to see that Lex wins the election. Lois' (recurring guest star ERICA DURANCE) life is threatened, only to be spared if she assassinates Jonathan during his speech. Lionel offers to give Martha money to help Jonathan's campaign. Lana is convinced that the answers she is looking for lie in researching the first meteor shower.

The two police officers who witnessed the spaceship landing during the meteor shower take Lex and Lana hostage and threaten to kill them unless Lex reveals where he hid the spaceship. While escaping to a "panic room" in the mansion, Lex is hit by a bullet meant for Lana. Fearing Lex may bleed to death, Lana asks him to tell the officers the secret location, but he confesses the ship has been missing for weeks. Meanwhile, Clark discovers that Lana has been researching the spaceship with Lex and fears she is close to discovering his secret.

In the landmark 100th episode of the series, Clark reveals his secret to Lana. Jonathan and Lex learn the results of the senatorial election. And after a tragic car accident on the highway takes the life of someone he loves, Clark desperately returns to the Fortress of Solitude and begs Jor-El (voiced by TERENCE STAMP) for help.

Clark discovers that the new reporter at The Daily Planet, a bespectacled, bumbling woman named Maya (Miss Universe 2001 DENISE QUIÑONES), is actually a masked avenger who fights crime at night. Meanwhile, Clark's bottled-up emotions threaten to get the best of him.

The spirit of a young girl is released after Lois (recurring guest star ERICA DURANCE) finds a corpse in the walls of the Talon. Clark and Lois must follow the trail of the spirit and find her killer, who has been preying on girls in Smallville for the past 10 years. When Lois is suddenly kidnapped, Clark comes to the rescue.

A sympathetic doctor releases a half-human, half-machine subject named Victor (LEE THOMPSON YOUNG), who was being held captive and experimented on by LuthorCorp. While making his escape, Victor is struck by Lana's car. After watching Victor walk away without a scratch, Lana calls Clark to investigate. Clark befriends Victor and promises to help him find his girlfriend, but Lex traps Victor and takes him back to LuthorCorp.

Upon discovering that Professor Fine (recurring guest star JAMES MARSTERS) is in Honduras, Lex sets out to confront him. Meanwhile, Clark meets a beautiful seductress named Simone (NICHOLE HILTZ) who uses a magical charm to make people succumb to her every wish. When the hypnotized Clark reveals his powers to Simone, she seizes the opportunity and orders Clark to kill Lex.

Still distraught over her breakup with Clark, Lana experiments with a dangerous serum that allows her to flatline and see her deceased parents again. A worried Clark rushes to save Lana from hurting herself but ends up being injected with the kryptonite-laced serum by an arrogant medical student. When Clark flatlines, he is able to talk to his dead father, who warns him that Lionel knows his secret. Meanwhile, Lionel continues to get closer to Martha.

Clark and Martha take in a little girl, Maddie (EMILY HERST), after her foster mother is brutally stabbed to death. However, after it is discovered that Maddie has the power to shatter glass, she becomes the prime suspect. Meanwhile, Chloe walks in on Lex and Lana during an intimate moment. Series star TOM WELLING makes his directorial debut.

A hooded tormentor takes Lionel hostage and orchestrates a series of elaborate games that Lionel must win in order to stay alive. After Clark tells Martha that Lionel knows his secret, she sets out to confront him--but she inadvertently becomes a pawn in the tormentor's game and ends up fighting for her life.

While in Metropolis, Clark saves the life of a stranger who vows to repay him for his kindness. Unfortunately, the man happens to be an assassin with the ability to cloak himself, and he decides that killing Lex would be the best gift he could give Clark. Meanwhile, Clark confronts Lana about her relationship with Lex.

Clark is stunned to see his father's ghost at the graveyard but becomes even more confused when Jonathan tells him to kill Lionel. Meanwhile, after Lex develops a vaccine for Fine's (recurring guest star JAMES MARSTERS) deadly virus, Fine intervenes and injects Lex with the vaccine, causing a shocking reaction.

Fine (recurring guest star JAMES MARSTERS) unleashes a virus that could kill millions of people and refuses to give Clark the vaccine unless he agrees to release the spirit of an imprisoned Kryptonian criminal. Clark turns to Lionel, who once again channels Jor-El (voiced by TERENCE STAMP). Meanwhile, Lex is stunned by his newfound powers and shares the discovery with Lana, who decides to stand by her new man, unaware of the shocking turn Lex's life is about to take.

Thrown into the Phantom Zone, a Kryptonian jail created by his biological father, Jor-El (voiced by recurring guest star TERENCE STAMP), Clark (series star TOM WELLING) finds himself without powers and surrounded by revenge-seeking criminals sent away by Jor-El. Meanwhile, having taken over Lex's (series star MICHAEL ROSENBAUM) body, Zod keeps Lana (series star KRISTIN KREUK) captive, demanding that she give him an heir, and begins his plans to turn Earth into a Krypton-like planet using the alien ship's hard drive. After Lois (series star ERICA DURANCE) and Martha's (series star ANNETTE O'TOOLE) airplane crashes near the Fortress of Solitude, Jor-El tells Martha how to kill Zod. Meanwhile, at The Daily Planet, Chloe (series star ALLISON MACK) reunites with an old flame, Jimmy Olsen (recurring guest star AARON ASHMORE - "Veronica Mars"). Series star JOHN GLOVER appears as Lionel Luthor.

As Clark overworks himself to clean up the destruction done by Zod, he develops the Kryptonian version of a head cold. After some very destructive sneezes, Clark discovers that he possesses a new power: super breath! Meanwhile, Lois lands a job at The Inquisitor, the local tabloid, and Lana moves in with Lex. Lex's fears that someone is following him quickly prove true when he is kidnapped.

Still guilt-ridden about the destruction he caused while he was controlled by Zod, Lex throws a charity costume ball for the town and hires THE ALL-AMERICAN REJECTS (themselves) to perform. Lois reluctantly agrees to be billionaire Oliver Queen's (recurring guest star JUSTIN HARTLEY) date to the event. Meanwhile, Clark and Chloe pursue a female creature that plants seeds in male human bodies in order to procreate, and the hunt intensifies after the entity attacks Jimmy (recurring guest star AARON ASHMORE).

While attending a fundraiser, Lois witnesses the Green Arrow (recurring guest star JUSTIN HARTLEY) snatching a rare diamond necklace off of Martha's neck and vows to find out about the man behind the costume. Clark does some investigating of his own and discovers that the Green Arrow is actually Oliver Queen, who has been stealing from the rich and giving to the poor. Meanwhile, Lex enlists Lionel's help in testing Lana's loyalty.

In flashbacks, Lex and Oliver (recurring guest star JUSTIN HARTLEY) are teenagers attending the same prep school, where Oliver and his friends bully Lex and his buddy Duncan (BRYCE HODGSON). In order to gain the others' acceptance, Lex beats up Duncan, inadvertently sending him staggering into the path of a speeding car, which kills Duncan. In the present day, Lex and Oliver--whose secret identity is the Green Arrow--return to the school for a reunion and are startled when Oliver's old pals start getting killed in violent and mysterious accidents that somehow point to Duncan. Meanwhile, when Clark sees satellite photos showing that four other craters were created the day he escaped from the Phantom Zone, he realizes that others may have followed him.

Clark is thrilled to learn that Raya (recurring guest star PASCALE HUTTON), the Kryptonian girl who helped him get out of the Phantom Zone, managed to escape as well and is now in Smallville. As the two grow close, Raya shows Clark how to restore power to the Fortress of Solitude. However, Baern (musician BOW WOW), a killer who also escaped from the Zone, threatens both Raya and Clark, seeking revenge for his imprisonment.

Clark learns that the Green Arrow (recurring guest star JUSTIN HARTLEY)--whose public identity is Oliver Queen--was shot while trying to save a couple from a carjacking, but Oliver denies he was injured. However, when Oliver starts displaying erratic behavior, Clark and Chloe investigate and find out that Oliver is taking a super-drug that helps his body heal itself--but has severe side effects. Meanwhile, Lana makes a shocking discovery that will impact her relationship with Lex.

Clark learns that a Phantom Zone escapee has landed in Seattle and slaughtered the entire crew of a Taiwanese cargo ship. Upon further investigation, Clark comes face to face with the horrifying phantom, Aldar (professional wrestler BATISTA), who sucks the bones out of people. Meanwhile, a patient with the ability to travel between planes of existence escapes from LuthorCorp's secret experimental laboratory and seeks revenge on Lex.

Clark is shocked to discover that his neighbor Jed McNally (JOHN NOVAK) is holding migrant laborers captive and forcing them to work on his farm. Feeling guilty since he sees himself as the ultimate illegal immigrant, Clark seeks help from Martha to allow a young boy and his mother to stay in the country.

After Lana confesses to Chloe that she has reservations about marrying Lex due to her lingering feelings for Clark, the gossip columnist for The Daily Planet, Linda Lake (TORI SPELLING), writes a story detailing their exact conversation. Determined to prove that she didn't give the story to Lake, Chloe investigates her co-worker and discovers Lake has the ability to turn herself into water, which allows her to secretly eavesdrop for her column. Meanwhile, Lois begins to suspect that Oliver (recurring guest star JUSTIN HARTLEY) is the Green Arrow and enlists Clark's help to prove it. Series star TOM WELLING directed the episode.

In this special episode, Oliver Queen (recurring guest star JUSTIN HARTLEY), aka the Green Arrow, sends out for reinforcements--and Bart Allen (recurring guest star KYLE GALLNER), aka Impulse; Arthur "AC" Curry (recurring guest star ALAN RITCHSON), aka Aquaman; and Victor Stone (recurring guest star LEE THOMPSON YOUNG), aka Cyborg, return to Smallville to help Oliver take down a secret LuthorCorp laboratory. During a break-in at the facility, Bart is captured and tortured by Lex, but when Clark tries to rescue him, he is felled by meteor rock. An alarmed Chloe goes to Oliver for help, and the newly formed league springs into action to rescue Clark and Bart.

After being attacked, Clark wakes up in a mental asylum and is told he has been there for five years due to his elaborate fantasy that he has alien superpowers. In this bizarre world, Martha is married to Lionel, Chloe is also mentally unstable and Lana has chosen Clark over Lex. Lana begs Clark to agree to a doctor's treatment so they can be together, but when a fellow patient named John Jones (recurring guest star PHIL MORRIS) informs him that the doctor is actually a phantom and Clark needs to kill him in order to return to reality, Clark must make the toughest decision of his life.

After Lois applies lipstick made from red Kryptonite, she becomes overwhelmed with desire for Clark and makes her move. When the two share a kiss, the red kryptonite transfers to Clark and eliminates his inhibitions. Clark then bursts into Lex and Lana's wedding dinner and kidnaps the bride-to-be.

After receiving a photograph of herself dressing in her room, Lana realizes that she has a stalker and decides to hide out at a surprising location. Meanwhile, Jimmy (recurring guest star AARON ASHMORE) breaks up with Chloe, believing that she isn't truly over Clark. Chloe is forced to take a hard look at her feelings for her best friend.

Clark and Chloe discover that Tobias (GREYSTON HOLT), a young man who was blinded during the meteor shower and now has the ability to identify "meteor freaks," is being used by Lex to locate people with special abilities in order to experiment on them. When Lana finds out about Tobias' gift, she fears that he will expose Clark and offers Tobias a cornea transplant in exchange for his silence. However, she is not prepared for Tobias' shocking revelation. Series star MICHAEL ROSENBAUM directed the episode.

On the day of Lex and Lana's wedding, Lex receives a call from a doctor who threatens to tell Lana the truth about her baby. Meanwhile, Lana begins to have second thoughts about marrying Lex. Clark comes to his own realization--he can't let Lana marry Lex--and decides to tell her his secret. But no one is prepared for what happens when Lionel steps in.

Clark and Chloe discover that Titan (professional wrestler KANE), a Phantom Zone escapee, is the star of a secret fight club that broadcasts bloody battles to the death on the Internet. Sensing a story, Lois decides to investigate on her own but is captured and forced to participate in the fights, with Athena (professional wrestler ASHLEY), another Phantom Zone fugitive, as her first opponent. Clark reveals his powers so he can fight Titan but is stunned when he is thrown in the ring with Lois instead.

After Lex discovers that Chloe's mother, Moira (LYNDA CARTER - "Wonder Woman"), has the power to control meteor freaks, he develops a drug to wake her from her catatonic state in an asylum. He then threatens to kill Chloe unless Moira uses her power to help him. Clark helps Chloe break into the asylum to rescue Moira and finally get to know her mother.

After Jodi (EMILY HOLMES), the wife of a Special Forces soldier, explodes a pipe bomb in one of Lex's secret laboratories, Lionel is severely injured, and Lex is taken hostage by the enraged spouse. Claiming Lex kidnapped her missing husband, Jodi threatens to blow up the entire laboratory with Lex inside it unless he tells her where the soldier is. Clark sets out to rescue Lex but is immediately felled by the Kryptonite lining the earthen walls. Lex and Clark realize that the only way they will make it out alive is by helping each other.

In a special "film noir" episode shot partially in black and white, Jimmy (recurring guest star AARON ASHMORE) sees what life in Smallville would have been like in the 1940s. After a secret meeting with Lionel, Lana is shot at the Daily Planet by a mysterious gunman. Jimmy is knocked unconscious while studying photographs of the scene and dreams about a 1940s version of Smallville. In that reality, Lana is a femme fatale who orchestrated the murder of her tycoon husband, Lex; Clark works at the Daily Planet as a reporter; and Lois is a sultry singer working at a bar owned by Lionel. Meanwhile, in the present day, Clark discovers why Lana married Lex.

Lex has been clandestinely trying to turn Wes Keenan (TAHMOH PENIKETT), a military man who supposedly died fighting in Afghanistan, into a supersoldier by injecting him with DNA pulled from the various meteor freaks Lex has captured. After a corrupt Senator, Burke (ALAN C. PETERSON), threatens to expose the secret labs, Lex dispatches Wes to kill the Senator, but Lois witnesses the attack and inadvertently becomes the supersoldier's next target. Meanwhile, Clark tries to convince Lana to leave Lex.

Upon discovering that Lionel told Lana he would kill Clark if she didn't marry Lex, Clark goes after Lionel to silence him once and for all. Lana tells Lex she is leaving him. John Jones (recurring guest star PHIL MORRIS) returns to help Clark stop Lex, who is trying to find the last wraith from the Phantom Zone in order to use its DNA to power his army of supersoldiers. When Lois goes to Reeves Dam to search for information on Lex's secret laboratory, she is brutally stabbed by a security guard. And Chloe's secret power is finally revealed.

When Clark Kent (series star TOM WELLING) confronts Bizarro, the last wraith from the Phantom Zone, the ensuing fight causes the dam to break, unleashing a torrent of water. Having just been arrested for Lana Lang's (series star KRISTIN KREUK) murder, Lex Luthor (series star MICHAEL ROSENBAUM) is submerged under water in a patrol car until a mysterious young woman saves him. Lois (series star ERICA DURANCE) manages to pull Chloe (series star ALLISON MACK) to safety, but Chloe is pronounced dead at the hospital. And the woman who saved Lex reappears at the Kent farm. Series star AARON ASHMORE appears as Jimmy Olsen, and series star JOHN GLOVER appears as Lionel Luthor.

Clark and Lois discover a spaceship belonging to Kara (recurring guest star LAURA VANDERVOORT), the mysterious young woman who recently saved Lex. But before Clark and Lois can open it, Kara appears and knocks Lois unconscious. Clark is shocked when Kara tells him she is there to protect baby Kal-El. Kara left Krypton as a teenager, simultaneously with the infant Clark, and has unknowingly been in suspended animation ever since crash-landing in the dam, so she is now younger than him. Despite Kara's arrival, a despondent Clark decides that, without Lana, there is nothing keeping him in Smallville, so he heads to the Fortress of Solitude to begin his training. However, Jor-El tells him that Kara's father, Jor-El's brother, was evil, and Kara must be watched closely. Clark must stay in Smallville to find out why she came to Earth. Meanwhile, Lex makes a stunning discovery regarding Lana and Project 33.1.

Although Kara (recurring guest star LAURA VANDERVOORT) desperately wants to make friends and fit in on Earth, Clark tells her to keep a low profile until she can get her powers under control. Despite Clark's warnings, Kara signs up for the Miss Sweet Corn beauty pageant and meets the competition: Tyler ("America's Next Top Model" winner EVA MARCILLE), Carly (ELISA KING) and Tempest (CHRISTINE CHATELAIN), three meteor-infected vixens who plan to use their powers to steal a treasure map to a hidden Smallville time capsule. After Tyler witnesses Kara using her powers, the girls pretend to be Kara's friends, but they are really planning to use her for their devious scheme.

Chloe learns that a doctor, Dr. Curtis Knox (DEAN CAIN - Superman on "Lois & Clark: The New Adventures of Superman"), has been treating meteor-infected people and eliminating their abilities. Desperate to get rid of her power, Chloe makes an appointment to see Knox, unaware that he has a nefarious plan to kill his patients and harvest their organs. Meanwhile, Kara (recurring guest star LAURA VANDERVOORT) cons Jimmy into helping her locate her crystal and, after discovering its whereabouts, defies Clark's order to stay on the farm. And Lana sets up secret surveillance of Lex.

The residents of Smallville are thrilled when Warrior Angel, a movie based on the comic book, begins shooting in town. However, after the lead actress, Rachel Davenport (CHRISTINA MILIAN), drives off in a stunt car with cut brakes, Clark must step in to stop the runaway car. Unfortunately, an obsessed fan witnesses this heroic act and decides that since Clark is a real-life superhero, his girlfriend, Lana, must be eliminated so Clark can fulfill his destiny. Meanwhile, Lex discovers Lionel at a remote cabin.

Kara (recurring guest star LAURA VANDERVOORT) travels to Washington to search for the crystal, but she is captured while breaking into a laboratory and sedated with a Kryptonite-infused truth serum. The dose causes her to relive a prior trip to Earth when she followed Clark's biological mother, Lara (recurring guest star HELEN SLATER - "Supergirl"), to the Kent farm. Clark arrives in time to save Kara but, after searing the machine with heat vision, he also falls victim to the serum and sees his mother through Kara's memories.

Kryptonite and high voltage mix during a lightning storm, causing Lana to absorb Clark's abilities. Using her newfound superpowers, she breaks into Lex's safe and steals incriminating evidence, which she delivers to Lois and Daily Planet editor Grant (recurring guest star MICHAEL CASSIDY), demanding they run a story exposing Lex's secrets. After Grant refuses to use stolen material, Lana decides to take care of Lex herself. When Clark tries to stop Lana from killing Lex, a super battle ensues.

After hearing the voice of his biological mother, Lara (recurring guest star HELEN SLATER), calling for help from Kara's (recurring guest star LAURA VANDERVOORT) crystal, Clark releases Lara, despite his Kryptonian father's warnings. As Lara and Clark reunite, she gives him a ring of blue Kryptonite. But when Clark puts it on, he realizes that Zor-El (recurring guest star CHRISTOPHER HEYERDAHL) has tricked him -- blue Kryptonite strips Clark of his powers. Now, Zor-El can take control of the Fortress of Solitude. Meanwhile, Chloe and Lex each discover that Lois and Grant (recurring guest star MICHAEL CASSIDY) have been dating and warn them to stop.

Clark returns to Smallville from the Fortress and tells Lana that Kara (recurring guest star LAURA VANDERVOORT) is gone. Clark tells Lana they should team up to bring Lex down, so she gives him all the information she's gathered so far, including a report on a man named Adrian (guest star Tim Guinee -- "Ghost Whisperer," "Without a Trace," "Broken English"), who was infected with an alien substance. Adrian secretly plants a bomb on Chloe and tells Lois if she doesn#t get Lex to admit the truth about his experiments with 33.1, he will detonate the bomb. Chloe, thinking she is about to die, confesses to Jimmy (Aaron Ashmore) that she is a meteor freak.

While Clark is frozen in the Fortress, Bizarro takes over his life with Lana. Unaware that she is with Bizarro, Lana enjoys this #new Clark,# and shares information she has gathered on a serial killer who is draining his victims of all trace minerals. The two conclude it must be Brainiac (recurring guest star JAMES MARSTERS) and Bizarro sets off to find him. Lex is stunned at Lionel's reaction after Grant (recurring guest star MICHAEL CASSIDY), reveals he is a clone of Julian. MARC McCLUR (who played Jimmy Olsen in the "Superman" films) guest stars as Dax-Ur.

While secretly working for Oliver (recurring guest star JUSTIN HARTLEY), Chloe intercepts one of Lex's project files, but she is attacked by the Black Canary (guest star ALAINA HUFFMAN - "Navy NCIS: Naval Criminal Investigative Service," Painkiller Jane," "The O.C."), a mystery woman with a subsonic cry. Dinah Lance, Black Canary#s alter ego, is a conservative talk show host who is working at the Daily Planet and clashes with Lois. Lex convinces the Black Canary that the Green Arrow and his team are terrorists so she launches an attack on the Green Arrow and Clark. Meanwhile, Lois discovers Oliver's secret.

Lois follows Lex to Detroit and discovers he has found Kara, who has amnesia. However, Finley (guest star COREY SEVIER - "House of Fears," "North Shore"), a busboy who has become obsessed with Kara, fears Lex will take her away, so he shoots Lex and holds Kara and Lois captive. After finding Lex's comatose body, Chloe offers to heal him, but Clark refuses to let her.

Kara and Jimmy attend a ONE REPUBLIC concert, and it turns out that one of the roadies is former Smallville resident Pete Ross (recurring guest star SAM JONES III - "ER"). Pete unwittingly chews some kryptonite-laced gum and develops super powers. Clark and Chloe are thrilled to meet up with their old friend but warn him against using his powers in public. When Lex discovers Pete's powers, he threatens to reveal Chloe is a meteor freak if Pete doesn't help him break into Lionel's safe.

Lionel arranges to have Clark kidnapped and held in a kryptonite-lined cell at a LuthorCorp facility. After Chloe and Lana find a military electric probe at the farm, they confront Lionel, who throws suspicion onto Lex. Chloe and Lana take Kara to the Fortress and beg Jor-El to restore Kara's memory, as she is the only one who can save Clark.

Kara decides to teach Clark how to fly in order to strengthen his chances against Brainiac (recurring guest star JAMES MARSTERS), but Brainiac appears to have the upper hand against the super cousins. And some of Clark's loved ones are caught in the crossfire.

The day arrives that Clark and Lex became mortal enemies. The secret of Veritas leads Lex in a dangerous direction that will put Clark and Lex in each other's crosshairs. There is a major power struggle, and one character dies.

Clark desperately searches for Kara (recurring guest star LAURA VANDERVOORT) and Brainiac (recurring guest star JAMES MARSTERS), as Brainiac is the only one who can reverse Lana's condition. Clark asks Chloe to check any large power surges in the area, so she breaks into several government computers, setting off alarms. Jimmy is caught between the Department of Security -- who threatens him with jail time unless he helps them arrest Chloe -- and Lex, who offers to help clear Chloe if Jimmy agrees to be in his debt.

Clark discovers that Kara (recurring guest star LAURA VANDERVOORT) sent messages from Krypton in the past that indicate that Brainiac (recurring guest star JAMES MARSTERS) wants to kill baby Kal-El so Clark will not exist in the future. Clark is torn; he thinks the world might be better off if he had never arrived in Smallville. Jor-El arranges for him to see what life would have been like if Clark hadn#t existed: Lex is president of the United States, Kara is raised by the Luthors, Lana is happily married, Chloe and Lois are ace reporters and more.

A cloaked stranger who carves Kryptonian symbols into his chest -- a message for Clark -- attacks Lex. Chloe and Clark investigate and discover one member of the Veritas clan has survived and is hiding in a church. Clark and Lex race to be the first to find this mysterious Veritas member, who holds the key to Clark's survival.

Kara (recurring guest star LAURA VANDERVOORT) tells Lex he is destined to defeat the Traveler and offers to take him to the Fortress to learn how. Clark is stunned that Kara would go to Lex, but it is revealed that Brainiac is impersonating Kara, and she is actually trapped in the Phantom Zone. Chloe is arrested by the Department of Domestic Security and Lana awakens from her comatose state. Meanwhile, in an epic turn of events, Clark and Lex face off in the Fortress, and Lex learns Clark's secret.

The eighth season premiere takes place a few weeks after the Fortress' icy collapse, as a LuthorCorp arctic excavation team investigates Lex's whereabouts. The Justice League, led by the Green Arrow (series star JUSTIN HARTLEY), hits the Arctic in search of Clark, who disappeared after the collapse. The team immediately has a confrontation with the new CEO of LuthorCorp, Tess Mercer (series star CASSIDY FREEMAN). Meanwhile, Chloe is being held prisoner by a suspicious group who has discovered she has a new power, and Clark has been stripped of his powers by Jor-El. Series star ERICA DURANCE appears as Lois Lane.

It's Clark's first day at the Daily Planet with Lois, and the pair are immediately thrown together on a story when a bus explodes outside the office. Clark rescues Bette (guest star JESSICA PARKER KENNEDY - "Another Cinderella Story," "Kaya"), a young girl who bonds with Chloe over their shared meteor abilities, but Bette is hiding a big secret. Paramedic Davis Bloom (series star SAM WITWER) arrives in Metropolis and is drawn to Chloe.

Oliver collapses at a charity event and reveals he only has 24 hours to live. Clark and Chloe call Davis for help but his prognosis is grim. Delirious, Oliver flashes back to when he was stranded on an island and first learned how to use a bow and arrow. He also recalls meeting Tess for the first time on that island after she had been kidnapped by a drug runner. Meanwhile, Chloe decides to use her new powers to help save Oliver, shocking Clark.

As Tess and her team perform tests on Clark's crystal, the seductive DC Comics' Maxima (CHARLOTTE SULLIVAN) arrives in Metropolis, believing she was summoned by her soul mate.

After leaving their engagement party, Chloe and Jimmy are abducted by a psychotic jeweler. Once emotionally scarred by his wife's infidelity, the jeweler now kidnaps couples and subjects them to a kryptonite-enhanced lie detector that will shock them if they lie. Chloe is asked if she is in love with anyone else. Meanwhile, in an effort to find Chloe and Jimmy, Clark and Lois pose as a couple -- as such, they are then kidnapped and asked how they feel about each other.

Clark investigates a recent attack and fears it is the work of a serial killer. Davis fears his blackouts may mean he is the serial killer and confesses his suspicions to Chloe.

Jimmy snaps a picture of Clark speeding to save Lois from a mugger and manages to catch a red and blue blur on film. Tess decides to run it on the front page of the Daily Planet.

Clark receives an anonymous package containing the crystal that Tess found in the Arctic. When he removes the crystal, it activates and sends him and a visiting Lois to the Phantom Zone where they run into Kara (recurring guest star LAURA VANDERVOORT). Kara opens a portal for Lois to return but Zod's wife escapes with her and takes over Lois' body. A possessed Lois goes on a rampage in Metropolis.

Chloe's memories begin to fade one by one until the only person she remembers is Davis. Clark realizes that it is the work of Brainiac that is erasing Chloe's memories and the only way to stop the brain interactive construct from taking over her mind is to rebuild the Fortress and ask Jor-El to heal her.

It's Chloe and Jimmy's dream wedding day, but two unexpected guests crash the party. Plus, Clark goes looking for Lex -- and finds Lana (former series star KRISTIN KREUK) instead.

DC Comics' Legion of Superheroes arrives in Smallville from the future to help Clark stop Brainiac and the Persuader.

Clark goes undercover to find out who shot John Jones (recurring guest star PHIL MORRIS). And Lana (KRISTIN KREUK) gives Tess some shocking news.

Clark finds Tess in Lana's (KRISTIN KREUK) ransacked apartment and realizes Lana is missing. Tess reveals the truth about what happened to Lana after her Brainiac-induced coma.

An explosion at LuthorCorp injures Oliver. Clark and Lana (KRISTIN KREUK) learn that the bomber is Winslow Schott (CHRIS GAUTHIER - "Eureka"), who has a grudge against Oliver.

Linda Lake (TORI SPELLING) returns, threatening to reveal Clark's secret if he doesn't tell her about the red-blue blur. Refusing to be blackmailed, Clark tells Lois his secret.

Tess orchestrates an explosion on a private jet to get Clark to reveal his powers. Meanwhile, Davis discovers a surprising way to control the monster within.

DC Comics' character Zatanna (guest star SERINDA SWAN) appears and switches the Chloe and Lois into each other's bodies. Plus, Clark is granted his deepest wish.

Tess reveals Davis' secret childhood with the Luthors and hints that she knows Clark's true identity.

Lois believes that she needs a big story to secure her reputation as a star reporter but the red-blue blur continues to elude her. However, after Chloe is mugged, Lois steps in to fend off one of the attackers and uses the opportunity to pretend a new superhero, Stiletto, has come to town and is giving exclusives to Lois. Clark is concerned Lois will hurt herself pretending to be a superhero, but after he is captured by thugs with kryptonite, Lois steps in to save the day.

Clark discovers that Davis is still alive and confronts Chloe about protecting him. Oliver discovers Jimmy breaking into Chloe's apartment, and things rapidly get worse after Davis jumps from the shadows and attacks both of them. Plus, Davis asks Chloe to leave town with him.

Chloe returns and begs Clark to kill Davis, claiming he can no longer keep the beast under control. Tess has assembled a team of meteor freaks, including Plastique (recurring guest star JESSICA PARKER KENNEDY), to track down Davis so Clark can kill him. However, things get out of hand once Tess' team discovers she is double-crossing them.

Oliver tells Clark he must kill Davis, as Doomsday is a serious threat and must be stopped at all costs. However, Clark struggles with taking a human life, so the Green Arrow and his team decide to take matters into their own hands. Lois takes on Tess, but the fight takes a shocking turn. Meanwhile, Chloe gets caught in the middle of Oliver and Clark's battle over killing Davis.

Soaring into its ninth season, this modern retelling of the Superman legend and its classic characters continues to blend realism, action and emotional depth to reveal a new interpretation of the enduring mythology. This season, as Metropolis's clock tower tolls our characters' darkest hour, we find Clark Kent finally making his first attempts to embrace his calling as a superhero. In the season premiere, Clark tells Jor-El he's ready to start his training, but Jor-El sends him back to Metropolis to cut ties with Lois before he can begin. Chloe is shocked when Lois suddenly reappears after having been missing for weeks -- but Lois has no recollection of vanishing into thin air with the Legion ring. While investigating a monorail crash, Lois meets John Corben, a new reporter at The Daily Planet, with a negative attitude toward the "Red-Blue Blur." Chloe begs Clark to use the Legion ring to go back in time to save Jimmy, but he refuses, driving a wedge into their friendship.

After being struck by a truck, John Corben wakes up alone in an abandoned apartment as a man-machine with a Kryptonite heart. Realizing he now has superhuman strength, Corben sets out to exact revenge on the Red-Blue Blur, who he perceives to be an irresponsible vigilante. Against Clark's wishes, Lois involves herself in the Red-Blue Blur's investigation, and winds up getting kidnapped by Corben.

Major Zod and his soldiers release a virus into Metropolis that turns humans into zombies. The only way to stop it is to make an antidote from the blood of another Kryptonian. After Lois is infected, Chloe pleads with Clark to donate his blood to stop the epidemic -- even though it risks outing him to Zod.

The Toyman returns and takes Oliver hostage! Tess Mercer (series star CASSIDY FREEMAN) forces Oliver to come to a Queen Industries gala to put the Board at ease, but things go awry when the Toyman (guest star CHRIS GAUTHEIR) shows up with a bomb and a plan to take revenge on Oliver. The Toyman tells Oliver he must confess to murdering Lex or he will blow the place up. Meanwhile, as part of his training, Jor-El gives Clark the ability to hear other people's thoughts.

Oliver is drugged and kidnapped by a woman named Victoria aka Roulette (guest star STEPH SONG), who tells Oliver that he's involved in a dangerous game and must fight for his life. After Victoria shows up dead and Oliver is arrested by the police, he turns to Chloe for help. Meanwhile, Lois berates Clark for not telling her about Oliver's suicide attempt.

Oliver tries to help a young street girl, Mia AKA Speedy (guest star ELISE GATIEN), get out of her dangerous life by offering to train her, but Mia double crosses him. Lois asks Clark to help her land a job as an on-air television host, but the two are shocked when the station wants to hire them as a team.

Jor-El (guest star JULIAN SANDS) mysteriously arrives at the Kent farm searching for his son, Kal-El -- but meets Chloe instead. Convinced the Blur is Jor-El, Zod enlists Tess's help in finding him, to force him to reveal the secret to his powers. When Clark realizes Jor-El is alive and on Earth, he races to find him before Zod does.

Superhero twins Zan and Jayna (guest stars DAVID GALLAGHER and ALLISON SCAGLIOTTI) show up in Metropolis to help The Blur fight crime, but end up botching several rescues -- landing Clark (Tom Welling) in hot water with the District Attorney's office. Clark decides to come forward as the Blur to clear his name.

Tess kidnaps Lois to find out where Lois went after she disappeared for weeks. Lois's memory of the future depicts a Metropolis under Zod's rule and Clark powerless under the red sun, while Chloe forms a resistance group with Oliver. After learning of these future events, Clark makes an important decision about Zod.

No lovers, no allies, no disciples: introducing DC Comics character The Dark Archer! Oliver's past comes back to haunt him in the form of The Dark Archer (guest star STEVE BACIC), Oliver's former teacher, who seeks revenge on his student by taking aim at Lois and Chloe. Oliver faces down The Dark Archer after his former mentor kidnaps Mia AKA "Speedy" (guest star ELISE GATIEN) but is pushed to his limit and Clark races to stop him from making another deadly mistake.

A man named Sylvester Pemberton tracks down Chloe and tells her he knows about her team of superheroes and needs their help. However, before he can explain who he is, he is attacked and killed by Icicle (guest star WESLEY MACINNES). Clark and Chloe's investigation leads Clark to the former headquarters of the Justice Society of America where he meets up with Nelson AKA Dr. Fate (guest star BRENT STAIT), Carter Hall AKA Hawkman (guest star MICHAEL SHANKS) and Courtney AKA Star Girl (guest star BRITT IRVIN). Courtney pleads with Hawkman and Dr. Fate to help her catch the killer that is targeting their group, but they are reluctant to resume their duties as superheroes. Clark, John Jones (guest star PHIL MORRIS), Green Arrow and Chloe team up to help the JSA stop Icicle before he murders another member of the group. Meanwhile, Lois receives a package from a mysterious agency called Checkmate, run by Amanda Waller (guest star PAM GRIER).

Clark meets Zatanna (guest star SERINDA SWAN) at a Metropolis comic book convention, where she tells him her father charmed a copy of the comic book "Warrior Angel" and it holds magical powers. A young man named Stephen (guest star CARLO MARKS) steals the comic book and develops super powers, transforming himself into Warrior Angel and saving Chloe from a horrible accident. Meanwhile, Lois becomes jealous of Clark's relationship with Zatanna.

It's Valentine's Day and while Clark is out on a date with Lois, he unknowingly becomes infected by gemstone kryptonite, which has magical wish-fulfilling properties. Clark mentions to Lois that he wishes they had a more traditional relationship, so Lois quits the Daily Planet, moves in with Clark and starts planning their wedding. Still unaware of his new power, Clark also casually tells Chloe he wishes she would spend more time watching out for him, so an infected Chloe takes his wish to heart and sets her sights on a new target -- Lois.

Bernard Chisholm (guest star JR BOURNE), a doctor who died and was brought back to life by the Kandorians so they could experiment on him, escapes and kidnaps some Kandorians in order to prove aliens have invaded Earth. Bernard tries to get Lois to write a story validating his claim, but when Lois refuses, he kidnaps her too. In an effort to save his people, Zod poses as a reporter from the Daily Planet and uncovers Bernard's secret lab. Clark arrives at the lab just in time to see Zod get shot.

Clark and Lois head out of town for a quiet romantic getaway, but their plans are thwarted when they run into Chloe and Oliver at the same Bed & Breakfast Inn. The couples' awkward moment is interrupted by the arrival of the Silver Banshee (guest star ODESSA RAE), who sets her sights on Clark and Oliver. Meanwhile, Tess faces off with Zod with a surprising result.

Tess creates an elaborate hoax in order to kidnap Green Arrow, and delivers him to Amanda Waller (guest star PAM GRIER), who tells him that the government is recruiting him to serve his country. However, Green Arrow escapes before they can reveal his identity. After Oliver brings Clark and Chloe up to speed, the three investigate -- and Clark is surprised to find John Jones (guest star PHIL MORRIS) investigating Oliver's kidnapping too. Clark senses that John is keeping information from him. Oliver and Clark are shocked when Tess reveals that Amanda is after something called "Watchtower." Waller threatens to kill Chloe unless Clark gives her the names and locations of the rest of the Justice League.

Zod continues to pose as "The Blur" and asks Lois to investigate one of Tess's secret labs. An explosion rocks the lab, and Lois is rescued by John Corben (guest star BRIAN AUSTIN GREEN) who was a subject of multiple experiments. While investigating the explosion, Clark is exposed to red kryptonite. And the infected Clark takes Zod to the Fortress. Tess turns to Chloe for help -- and they send in Corben to stop Clark from revealing all his secrets.

Lois investigates the early prison release of ex-District Attorney Raymond Sacks (guest star DYLAN NEAL) but he threatens her with a gun when confronted. The Blur saves her, but is captured on film by a delivery guy (guest star DUSTIN SCHWARTZ) who plans to sell the photo to Sacks. Lois and Clark each attempt to thwart the delivery of the photo and run into Maxwell Lord (guest star GIL BELLOWS), a wealthy tycoon and Checkmate operative, who is trying to learn The Blur's identity to eliminate him. Meanwhile, Chloe discovers Zod's secret.

Tess breaks into Watchtower, triggering an elaborate security system that Chloe installed, ultimately trapping the two women inside. Chloe realizes that the Kandorians are downloading information from the Watchtower server, which prompts her to make a drastic move. Oliver confronts Zod and winds up clinging to life with a "Z" scorched into his chest. Clark realizes Zod has given his soldiers super powers.

Much to Clark's surprise, Martha Kent (guest star ANNETTE O'TOOLE) returns to Smallville with her new boyfriend, Perry White (guest star MICHAEL MCKEAN) in tow. Lois and Perry realize they are both working on the same story about the Red Queen, and decide to team up, which ultimately puts them in serious danger. Chloe helps Clark search for the Book of Rao, which they believe contains information on how to stop Zod and his army.

It's Clark vs. Zod in the Ninth Season Finale! Zod unleashes his army upon the world, forcing Chloe to call in reinforcements from old friends. Zod tells Lois he is The Blur and asks her to steal the Book of Rao from Clark. Torn between Clark and The Blur, Lois asks Clark to come clean with her about everything -- but he refuses. Chloe and Oliver attempt to reconnect Watchtower's satellite system in order to fight the Kandorians but to Chloe's horror, Oliver gets caught on site and disappears. Tess attempts to stop Zod -- but the encounter leaves her clinging to life. Clark and Zod battle for control of Earth.

In the season premiere, guest star JOHN SCHNEIDER reprises his role as Jonathan Kent. Picking up where the finale left off, Lois (series star ERICA DURANCE) finds Clark's lifeless body and removes the blue kryptonite -- enabling him to heal himself. However, Lois sneaks away before Clark fully awakens in order to protect his secret. Meanwhile, Chloe (series star ALLISON MACK) is desperate to find Oliver (series star JUSTIN HARTLEY), so she turns to an unlikely source for answers. Jonathan returns to the Kent Farm with a message for Clark, and Tess (series star CASSIDY FREEMAN) awakens in a LuthorCorp lab.

After Lois departs for Egypt, the Daily Planet hires a new reporter by the name of Kat Grant (guest star KERI LYNN PRATT) to take her place. An assassin named Deadshot (guest star BRADLEY STRYKER) takes aim at Kat -- but Clark learns the man has a dangerous hidden agenda that involves The Blur. Meanwhile, Carter Hall (guest star MICHAEL SHANKS) turns up in Egypt to keep an eye on Lois and he tells Lois about his wife Shayera (guest star SAHAR BINIAZ).

Clark is stunned when Kara (guest star LAURA VANDERVOORT) returns to Earth and tells him Jor El sent her to stop the dark force that is coming because he doesn't believe Clark can handle it. Meanwhile, Lois confronts Gordon Godfrey (guest star MICHAEL DAINGERFIELD), a shock jock radio DJ who has been crusading against heroes, after he threatens the Green Arrow. However, after Godfrey is possessed by the dark force, he takes Lois hostage and Clark and Kara have to come to her rescue.

In a record-breaking event, the series' 200th episode brings back some familiar faces like JAMES MARSTERS as Brainiac. In an attempt to cheer up Clark, Lois convinces him to attend their five-year high school reunion in Smallville. A visit back to the home of the Crows has Clark remembering old times with Lana (past series star KRISTIN KREUK) and Chloe, while Lois is furious that no one remembers her five days as a student. Brainiac 5.0 (Marsters) uses his Legion ring to visit from the future and takes Clark through his past, present and future. He shows Clark what really happened the night Jonathan died, Oliver's current pain and Clark's future at the Daily Planet with Lois and his role as Earth's favorite red and blue superhero.

Lois decides to tell Clark she knows he's The Blur, but she accidentally activates an ancient artifact that transforms her into the Goddess Isis, complete with superpowers of her own. Oliver and Clark reluctantly decide to ask Tess for help with Lois. Meanwhile, after Cat Grant (guest star Keri Lynn Pratt) witnesses Lois as Isis using her superpowers, she decides Lois is the Blur and sets out to prove it.

Concerned about Lois's safety, Clark diverts her away from covering the Vigilante Registrations Act by suggesting she cover another story. After he comes clean with her, an angry Lois tells him that she can take care of herself -- but when a flat tire strands their car in the middle of nowhere, their plans take a turn for the worse and Lois ends up in serious danger. Meanwhile, Tess searches for a cure for Alexander (guest star CONNOR STANHOPE), who is rapidly aging.

The General (guest star MICHAEL IRONSIDE) and Lucy Lane (guest star PEYTON LIST) decide to drop in on Lois and Clark for a surprise Thanksgiving dinner. Clark and the General get off to a rocky start after Lois's father bashes the superheroes and tells Clark he is trying to pass a vigilante registration law. Meanwhile, in an effort to stop the vigilante registration act from being passed, Rick Flagg (guest star TED WHITTALL) lies to Lucy in order to lure Clark away from the farm long enough for him to assassinate the General. Lois is torn between making her father proud and her love for Clark.

Lois finds a video made for her by her mother, Ella Lane (guest star TERI HATCHER), before she died. After watching the tape, Lois makes a drastic decision about her relationship with Clark that takes her to the Fortress, where she comes face to face with Jor-El and Lara. Meanwhile, Tess has a nightmare involving herself as a child and a music box. Upon awakening, she finds the music box in Luthor mansion and sets out to find out who planted it there. Clark accompanies her to an orphanage run by Granny Goodness (guest star CHRISTINE WILLES) who may not have the young girls' best intentions in mind. One of the young women living there, Harriet (guest star LINDSAY HARTLEY), finds Clark snooping around and decides to take matters into her own very sharp hands.

Patrick Jane accepts the help of a local astrologer, Ellis Mars (JOHN BILLINGSLEY), to solve the puzzling case of a triple homicide In an effort to protect the rest of the team, Oliver decides to register for the Vigilante Registration Act to see what the government plans to do with the new law. As he suspected, it was a trap to lure superheroes to an undisclosed location where he is confined to a jail and subjected to a battery of brutal tests under the supervision of Col. Slade (guest star MICHAEL HOGAN -- Battlestar Galactica). Aquaman (guest star ALAN RITCHSON) and his new wife Mera (guest star ELENA SATINE) team up with Clark to free Oliver. Lois is frustrated when Clark continues to push aside her offers to help the team and sets out to prove she can play with the big boys. Series star Tom Welling directs.that involves two policemen.

Tess acquires a Kryptonian box that once belonged to Lionel Luthor (former series star JOHN GLOVER). When Clark accidentally activates the box, he's transported to a parallel universe where Lionel found Clark in the cornfields instead of the Kents. In this universe, Clark Luthor is a murderer and Lois is engaged to Oliver -- and both of them hate Clark. Clark must be careful not to tip off Lionel that he's not his son while trying to figure out how to get back to Earth where the monster Clark Luthor was transported in his place. Executive producer Kelly Souders makes her directorial debut.

The VRA is in full effect and things take an unfortunate turn of events after the Green Arrow tries to stop a mugging but is attacked by citizens for being a super hero. Clark discovers that the civilians who attacked Oliver were all marked with a darkness tattoo. Carter Hall and Star Girl (guest star BRITT IRVIN) return to help Clark deal with Slade's (guest star MICHAEL HOGAN) re-emergence after he kidnaps Lois.

Chloe Sullivan returns. Clark, Oliver, Lois and Dinah are released by the VRA after being captured at Hawkman's funeral but each of them has flashbacks of Chloe holding them against their will. When Chloe returns, Dinah warns the others that Chloe may now be a traitor. Oliver dismisses her concerns, but Clark is unsure if he can trust Chloe after she disappeared without an explanation.

Clark is surprised to see Martha (former series star ANNETTE O'TOOLE) on the news speaking at a pro-vigilante rally. Meanwhile, Lionel reveals his existence to the world and reclaims LuthorCorp from Tess and Oliver. As Clark deals with a shocking event, Lois and Chloe decide to cheer him up by showing him videos from thousands of vigilante supporters professing their support for The Blur. (Videos were created and submitted by actual "Smallville" fans.)

Chloe and Oliver are mistaken for FBI agents investigating Desaad's recent string of murders and the pair are kidnapped by Desaad's minions. Desaad (guest star STEVE BYERS) tries to infect Chloe with the darkness. Meanwhile, Lois tells Clark he needs to be more careful with his identity and suggests a disguise.

After Zatanna sends a magically spiked bottle of champagne to Clark and Lois for their bachelor/bachlorette parties, the gang blacks out after the toast, only to wake up the next morning and realize they can't remember anything about the night before. While trying to retrace their steps, Lois realizes she lost her engagement ring and drags Oliver back to the Fortune Casino where she thinks she lost it. The two run into Fortune (guest star JAMES KIDNIE), the eccentric casino owner, who accuses them of stealing money from him. Meanwhile, Clark tells Chloe he has a memory of stealing an armored truck the night before.

Lionel and Tess go head-to-head in a battle for the Luthor name. Clark and Lois are stunned by Tess's latest present to them.

Clark is shocked to find a mirror box in the barn. Clark Luthor surprises him and sends Clark Kent back to the alternate reality where Clark runs into a very angry Jonathan Kent. Meanwhile, back in our reality, Clark Luthor visits Tess and tells if she doesn't side with him he'll kill her. Lois asks Emil to help her bring Clark back.

After everything that happened with the VRA, Lois tells Clark it's best to make "Clark Kent" forgettable and awkward so people don't suspect he's The Blur. However, the two are stunned when a fame-hungry superhero from the future, Booster Gold (guest star ERIC MARTSOLF -- Days of Our Lives), sweeps into town and begins making saves and posing for press ops, completely winning over the city of Metropolis. Booster begins his campaign to take The Blur's place as the "World's Greatest Superhero" and tries to charm Lois into writing a story about him, but she's not having his antics and begins her own campaign for The Blur. During one of Booster's saves, an alien weapon in the form of a scarab falls from a truck and fuses itself to a boy named Jaime Reyes (guest star JADEN BRANDT BARTLETT), turning him into the Blue Beetle. Unfortunately, Jaime is unable to control the suit and Blue Beetle starts attacking Metropolis. Tom Welling directed the episode written by Geoff Johns.

The Return of Zod! Tess learns that General Slade was found unconscious on a street corner, proof that someone has gained access to the Phantom Zone's escape portal and sent him back. Clark decides to return to the exiled land to make sure other phantoms are not fleeing and is furious when Oliver tricks Clark into taking him along. With Clark's powers gone, the two are immediately captured by the Zoners who take them to their new leader, Zod (guest star CALLUM BLUE), who is thirsting for revenge on Clark for banishing him to this Kryptonian jail. Meanwhile, Lois learns Clark trusted Tess with a secret, but didn't tell Lois. Series star Justin Hartley makes his directorial debut.

Jor-El gives Lois super powers! Kara returns! Clark takes Lois to the Fortress to get Jor-El's (voiced by TERENCE STAMP) blessing for their marriage. Jor-El bestows a unique wedding gift on the couple -- he gives Lois Clark's super powers so she can see what it's like to be him for a day. Unfortunately, the Toyman (guest star CHRIS GAUTHIER) has returned to Metropolis, so Lois must go up against the notorious villain instead of Clark. Meanwhile, Oliver searches for the Bow of Orion, which he believes will remove the Omega symbol from his skull, and runs into Kara (guest star LAURA VANDERVOORT), who is also on a mission to stop Darkseid.

The story of Clark Kent culminates in this epic two-hour series finale as Clark takes the last step to becoming the Man of Steel. With surprise guest appearances, nods to the first few seasons of the series, and former series regular MICHAEL ROSENBAUM's return as Lex Luthor, this final episode wraps up a decade-long story following one's man's journey to becoming the world's greatest superhero.