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 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.