Grissom and Willows return to help the CSI team solve a catastrophic case that paralyzes all of Las Vegas, on the special two-hour series finale. Past and current series stars scheduled to appear include William Petersen, Marg Helgenberger, Ted Danson, Jorja Fox, Eric Szmanda, Robert David Hall, Paul Guilfoyle, Wallace Langham, David Berman, Elisabeth Harnois and Jon Wellner. Also, Melinda Clarke returns as Lady Heather. (Part 1 of 2)
Grissom and Willows return to help the CSI team solve a catastrophic case that paralyzes all of Las Vegas, on the special two-hour series finale. Past and current series stars scheduled to appear include William Petersen, Marg Helgenberger, Ted Danson, Jorja Fox, Eric Szmanda, Robert David Hall, Paul Guilfoyle, Wallace Langham, David Berman, Elisabeth Harnois and Jon Wellner. Also, Melinda Clarke returns as Lady Heather. (Part 2 of 2)
Finlay must deal with a bomb planted in her car, while Russell gets a call from someone claiming to be the Gig Harbor killer. Mark-Paul Gosselaar guest stars as twins Jared Briscoe and Paul Winthrop, and Mark Valley guest stars as Detective Daniel Shaw.
The CSI team suspects foul play when a chemistry teacher's science experiment goes horribly wrong. Guest stars include Marissa Jaret Winokur as Principal Dawn Meadows, Skipp Sudduth as Ed Lusk and Bella Thorne as Hannah Hunt, a student.
Frustration mounts for the CSI team as another victim surfaces and all evidence points to the Gig Harbor Killer. Guest stars include Mark-Paul Gosselaar as twins Jared Briscoe and Paul Winthrop, Mark Valley as Detective Daniel Shaw and Patricia Arquette as Avery Ryan.
The CSI team learns the main suspect in the gig harbor killings is being released from jail due to lack of evidence. Guest stars include Mark-Paul Gosselaar as twins Jared Briscoe and Paul Winthrop, and Mark Valley as Detective Daniel Shaw.
The CSI unit faces the final showdown with the Gig Harbor killer whose motives are finally revealed. Meanwhile, Nick Stokes makes a decision that will affect the entire team moving forward. Guest stars include Mark-Paul Gosselaar as Paul Winthrop, Mark Valley as Detective Daniel Shaw and Eric Roberts as Daniel Larson.
Nick Stokes makes a major decision effecting the CSI team moving forward but first the entire team must deal with a final struggle with the Gig Harbor killer whose motivations are finally revealed in the 15th season finale of CSI: CRIME SCENE INVESTIGATION.
D.B. Russell leads the CSI team on a hunt to find Morgan and Ellie Brass following their kidnapping by a ritualistic killer. Eric Roberts,James Callis, Tim Matheson, Annabella Sciorra and Teal Redmann guest star.
Catherine Willows returns to help the CSIs solve a cold case that has haunted the team for 14 years. Marg Helgenberger returns as Catherine Willows and Jason Priestley guest stars as casino mogul Jack Witten.
The CSI team investigates a John Doe found during torrential rains in Vegas. Meanwhile, Greg Sanders is investigated and accused of framing a man for murder seven years ago. Lea Thompson guest stars as Jennifer Rhodes, an innocence project defense criminalist.
When a man is found dead inside a human-sized hamster ball, the CSI team is brought in to investigate. Also, the team collaborates with a swing shift CSI on a case involving a serial rapist. Matt Davis guest stars as day shift CSI Sean Yeager.
When the CSI team works two separate investigations, one involving a woman found murdered in Mexico and another of a local couple found dead in their driveway, they find the evidence in one case may help the other.
The CSIs investigate the murder of a rock and roll groupie and the disappearance of a prostitute that both have ties to a mysterious band. KISS lead singer and Rock and Roll Hall of Famer Gene Simmons guest stars as himself.
D.B. Russell's granddaughter was kidnapped in last season's finale cliffhanger and now he leads the CSI team on a hunt to find her, on the 13th season premiere. Guest Stars Include Peri Gilpin, Enrique Murciano and Conor O'Farrell.
When a K-9 is blamed for the death of his partner, the CSI team discovers there's more to the case. Meanwhile, Finlay and Morgan investigate the death of a high-profile divorce lawyer with a lot of enemies.
When five bodies are found in what appears to be a meteor site in the middle of the desert, CSI Finlay recognizes one of the casualties, prompting her to revisit her past. Dylan Walsh and Brian Van Holt guest star.
The CSI team lends a hand to local law enforcement on the strip with several arrests until a John Doe is found in a car. Also, things become personal for Captain Brass when he discovers some facts about his daughter.
When five people are killed in a small plane crash a mile off the Vegas strip, the CSI team is called to investigate. Also, Sara feels the strain of having a long-distance relationship with Grissom when a former lover of hers is involved with the crash investigation. Pamela Reed and Josh Randall guest star.
The CSIs need to ace the case involving a rising tennis star. Meanwhile, the CSIs are surprised to hear Hodges is engaged to an Italian bombshell. Model Catrinel Menghia Marlon and tennis stars Chris Evert, Lindsay Davenport, Justin Gimelstob guest star.
When CSI Mac Taylor decides to surprise his girlfriend in Vegas, he discovers she's missing and asks his friend D.B. Russell for help. Meanwhile, the CSIs investigate the loss of a local wine collector on part one of a two-part crossover with CSI:NY. Gary Sinise guest stars.
The CSIs investigate the demise of a famous Cuban singer's sister who's in town as part of a U.S. tour. Meanwhile, Hodges begins to get cold feet at the prospect of marrying his Italian bombshell girlfriend.
The CSI team investigates a popular spiritual retreat when a body is found floating in a mud bath. Meanwhile, Hodges questions his marriage plans to Elisabetta. Model Catrinel Menghia Marlon guest stars.
As Russell and his team investigate a series of murders, one of their own confronts peril on a dangerous undercover mission to get close to the killer. Guest stars include Eric Roberts, James Callis, Tim Matheson, Annabella Sciorra, Ozzy Osbourne, Tony Iommi, Thomas D. Clufetos Jr., and Geezer Burler.
While on a date, Stokes realizes a piece of art at an exhibit has decomposing body parts in it, which leads to a full-blown investigation. Also, D.B. Russell makes a decision to ground one of the staff from the case.
When the CSI team arrives at a car crash, they find three casualties and a human brain that doesn't belong to any of the victims. Also, D.B. Russell is concerned his son is not focused on college following his suspension from school.
The CSI team says goodbye to Catherine Willows as she makes a life-changing decision. Guest stars include Matt Lauria as FBI Agent Pratt, Titus Welliver as CEO Mark Gabriel and Annabeth Gish, as his wife, Laura Gabriel.
When the CSI team is called in to investigate a robbery-homicide at an "Alice In Wonderland" themed wedding, they have little to work with to find a killer. Meanwhile, Hodges' mother comes to town, and he wants her to believe Morgan is his girlfriend. Jaclyn Smith guest stars as Olivia Hodges.
The CSI team investigates three dead bodies just blocks away from a campaign dinner, they think they know who the killer is before making a shocking discovery. Guest Stars Include Peri Gilpin as Barbara Russell, Enrique Murciano as Detective Carlos Moreno, Conor O'Farrell who reprises his role as Undersheriff Jeffrey McKeen and Jaclyn Smith as Olivia Hodges.
A night full of celebration ends with a bang when the director of a scholarship foundation for the deaf is killed by a deadly car bomb, prompting Sara to interrogate the students and faculty of the college where her mother-in-law works.
A string of deaths, including a gamer found dead on his couch and a newly divorced man at the bottom of a pool, instigate a bet among the CSIs as to whether they've "hit for the cycle" - a homicide, a suicide, an accidental and a natural death all in one night.
Langston and Sara turn to Lady Heather for help in tracking down the culprit responsible for injuring a woman before she was seemingly mauled to death by a mountain lion. Meanwhile, Nick and Dr. Robbins manage to rescue the unborn baby of a teenage girl who appears to have committed suicide.
CSI: Crime Scene Investigation is a fast-paced drama about a team of forensic investigators trained to solve crimes by examining the evidence. They are on the case 24/7, scouring the scene, collecting the irrefutable evidence, and finding the missing pieces that will solve the mystery. Catherine Willows, a hard-working single parent with a checkered past and a teenage daughter she's raising on her own, heads the team of investigators at the Crime Lab in Las Vegas following previous leader Gil Grissom's departure.
When a porn producer and drug dealer are found dead in an upscale Vegas area, the CSIs focus their investigation on members of the neighborhood. The CSIs are shocked when they discover that one victim had his intestines tied in a bow.
When a policeman kills another officer, the CSIs must look to the evidence to determine if the shooting was premeditated or an accident. Infighting between the police and the local community soon ensues in this racially charged case.
An entire college football team comes under investigation when their beloved coach is found murdered in his home. The stakes are raised even higher when the CSIs realize that the coach's death may be linked to an earlier unsolved crime.
Catherine and Detective Vartann are thrown together in a hotel room for 24 hours as they stake out a duo making drugs in the room next door. Meanwhile, Nick and Langston work a case that involves a fetish which has become big business in Vegas.
During the course of an investigation, the CSIs discover that their victim, a young woman who was murdered and found with several different blood types in her system, is the daughter of a wanted criminal.
When a new murder leads to a connection with an infamous serial killer, Grissom secretly joins the class of well-known criminal pathologist Dr. Raymond Langston, to gain access to the killer and get a crack in the case.
The CSI team is shocked and saddened when, after working with Dr. Raymond Langston on the Dick and Jane murders, Grissom announces that his time as a CSI has come to an end and offers Langston a permanent position on the CSI team.
When the CSIs are called to a murder scene at a familiar motel, Nick is thrown for a loop as he pieces together three separate murder investigations that all took place at the same establishment over the course of a year.
The CSI team investigates two unusual cases, one involving the suspicious death of a go-cart racer who took his hobby to the highway and paid the price with his life, and a murder at a hip new restaurant where patrons dine in the dark. Sara comes back to work.
In Part One of a Two-Part crossover episode to conclude on "Without A Trace," a kidnap victim from New York who went missing six years ago may be the same boy whose death Grissom and the CSI team are investigating in Las Vegas.
Grissom and his team delve into the world of illegal dog fighting to find out who is responsible for the death of a wealthy socialite. Meanwhile, Warrick tries to clear his name in the murder of an exotic dancer.
The CSI team holds vigil at the bedside of one of its members who is shot in the line of duty and may not survive on the sixth season finale. Meanwhile, when evidence suggests that a small waisted man who was decapitated by a train was really a cover up for murder, the CSIs investigate the man's bizarre lifestyle of routinely wearing corsets.
Grissom is fascinated when every detail of a miniature is identical to that of a real crime scene, and he goes about trying to solve the case using the clues provided. Meanwhile, Catherine again finds herself--and someone close to her--in danger, and begins to suspect who may be responsible. Danny Bonaduce and Sean Young guest star.
While Grissom leads a group of college students on a tour of CSI, the dead "speak" while the CSIs investigate, each narrating their own case: a dead casino security guard whose luck ran out, a wife who "fell" off a cliff while hiking with her husband, a war veteran murdered on his first day back from Iraq and two neighbors whose encounter with a chainsaw ends badly.
When an innocent man is brutally attacked and beaten to death by what looks like a monster in a black cape, the CSIs are called to investigate, only to learn that a similar attack took place minutes later. As the crime spree continues, the team follows the trail of evidence until Greg interrupts a beating in action and must make a difficult decision that could impact his life forever. Kevin Federline and Victoria Recano guest star.
When two young boys are reported missing, a known neighborhood sex offender is the primary suspect. In an attempt to extract his confession, Grissom asks for the pedophile's help in catching the boys' abductor. However, as the case unfolds, the crime turns out to be much more complicated than Grissom or the rest of the CSI team ever expected.
When identical twins are found dead, the evidence in both cases does not immediately prove a connection between the two deaths. However, as the CSIs dig deeper into the histories of the women, a surprising twist takes the investigation in a new direction.
Grissom and his team investigate a string of murders in Las Vegas that may be tied to an infamous mob boss from the 1970s who disappeared many years ago. After the mob boss's Cadillac mysteriously resurfaces in a Las Vegas lake and a photo turns up of the murder victims posing with him in the 1970s, the CSIs begin to investigate whether or not the notorious gangster, whose disappearance remains a mystery, might somehow be connected to the current killing spree in Las Vegas.
When the CSIs process clues after a murder at a poultry manufacturing plant, the evidence leads them to the home of a man who collects miniature trains and other miniature paraphernalia. Grissom and his team rush to link him to the other miniature killings, but a twist in the case could prevent them from gathering enough evidence to catch the killer.
Catherine's testimony in court is not enough to convict a killer suspected of murdering his own mother. Adam Novak, with whom Catherine had a brief romantic encounter, is the lawyer who represents the killer and secures his freedom. As a result, Catherine and Nick leave Las Vegas in order to tie the killer to another crime and put him behind bars for good. Meanwhile, Grissom says goodbye to his colleagues and heads east for a teaching sabbatical.
As Catherine and Keppler begin to investigate the murder of a teen-aged "Jane Doe," both agree that the killer, who was meticulous in removing evidence from the body and its surrounding area, is likely a repeat offender. Soon they and the rest of the CSI team uncover three similar unsolved cases that suggest the serial killer has been active since 1975.
The lead suspect for the high-profile murder of anti-drug crusading assemblyman Danilo Zamesca is Thomas Simon, the west coast's biggest drug supplier. Simon's trail quickly grows cold, so Catherine agrees to Keppler's unconventional method to find him. Part of the plan involves withholding information from her team, and tension surfaces when the group senses something is awry.
A case involving a man's torched corpse whose bones and tissues had been harvested leads Nick and Keppler into the disturbing world of illegally sold human body parts. Meanwhile, Warrick and Sara learn more than they care to about the workings of a new-concept "host club" for women after discovering that a reportedly happily married murdered woman had been pursuing a "relationship" with Jesse, one of the establishment's most handsome and popular young hosts..
Grissom returns from his teaching sabbatical as new member of the team Michael Keppler desperately tries to keep his dark past hidden from his colleagues. As a result, he fails to disclose that he not only knows Frank McCarty (Len Cariou), the retired police officer who reportedly found the remains of his cop friend and a prostitute in a Las Vegas hotel room, but that Frank may have had a role in the murders.
With potentially less than a day to attempt to prevent the next murders, the CSI team must quickly shake off their shock that the true miniature killer is not the late Ernie Edward Dell, who committed suicide after confessing to the slayings. Grissom ponders why the killer deviated from his/her eerie tradition of leaving the miniature at the crime scene after the murder. He also laments that he held up the investigation by being on sabbatical when the unmarked package with the miniature arrived for him.
Grissom's quip that two missing young lovers may have run off to Mexico is soon quashed by the discovery of drops of blood by the boy's vacant parking spot at the high school. After finding a letterman jacket and cheerleading sweater in the field house and a pool of blood nearby, the team tries to determine what went awry.
Greg is forced to again contend with the hostile mother and brother of the hoodlum he killed in self-defense several months ago when the CSI team discovers that the brother is involved in a new murder case.
While Grissom and the rest of the CSIs are out investigating new cases, Hodges leads Archie, Henry, Mandy and Wendy to believe that Grissom wants them to secretly band together that evening in an attempt to solve the four miniature killer cases.
In their attempt to identify the murderer of a has-been boxer who lived among a group of prostitutes who detested him, the CSIs must establish which of several life-threatening acts against him in one night actually killed him.
The CSI team investigates the murder of a blackjack dealer whose estranged husband has ties to a club of UFO believers. The CSIs discover that several suspects in a woman's murder are members of a bizarre UFO club who believe that shape-shifting reptile-like aliens have mated with humans for centuries as a means of conquering the human race.
Our forensic team is back together again, with Grissom and Catherine leading in three fantastic forensic mysteries: a murdered couple is found in bed in a suspicious trailer explosion; a beautiful stripper is found dead and dumped in the worst part of town; two bodies decomposed and "baked" in the trunk of a car for 5 days in the hot Vegas sun makes our CSI "wrap" this up and take the evidence back to the lab..
In an upstairs/downstairs-type investigation, the CSIs look into solving two forensic mysteries: the first, the murder of a rising young movie star, amongst his entourage of best friend slackers and groupies, in his hotel suite. In the second story, the immigrant Laotian kitchen workers in the hotel may have turned against each other and comitted murder.
While our CSIs attempt to determine there was foul play in a housewife's fall down the stairs, one thing is clear, the overwhelming blood evidence in the case leads to discover revealing secrets of adultery, blackmail, and a biting festish in this "typical" American marriage.
After a middle of the night break-in in a suburban home on the edge of the Vegas desert reveals a body dump of a college-aged kid, our CSIs discover an abondoned military compound now being used to house a small cult. Once inside, we discover a mass suicide has taken place that coincides with a meteor shower the night before, but with 11 bodies and 12 beds, Grissom surmises that our killer may be missing.
A family of four is brutally murdered in their own home, but the bodies are missing from the crime scene. When the blood evidence suggests only three victims were killed, Nick is the only one on the CSI team that believes the fourth victim, the young daughter, is still alive. It's a race against time to find the perps who may lead us to one possible survivor.
When CSI determines a young mother's suicide was actually foul play, evidence proves her newborn baby was not her's biologically, and that our victim was technically still a virgin. Grissom is called into court to refute expert witness testimony from a suspected manipulator of the evidence.
A routine traffic stop turns into a wild police chase through the streets of a Las Vegas Latino ghetto. When all is finished, the crime scene stretches for miles, and our CSIs face an avalanche of ballistic evidence in order to find the real killer of a police officer who died on the scene, whom Grissom fears may have been the victim of "friendly fire" and not the men drug criminals they were chasing.
When a wild police chase of drug smugglers through the streets of Vegas leaves a fellow officer killed, our CSIs find evidence that points to Sofia as the shooter who may have accidentally shot and fatally wounded another office, not a criminal.
On Thanksgiving night, a man is found dead in a dumpster behind a restaurant, but his suspicious death leads our CSIs into the world of competitive eating and a deadly condition that allows people to overeat. A couple is attacked and killed by their seemingly sweet dog, but the evidence suggest foul play.
When a widowed mother's six year old son is reported kidnapped from a local park, our CSIs find a suspicious lack of evidence in the case, until the boy turns up unharmed at a convenience store and with a couple claiming to be his parents. When DNA confirms the couple really are his parents, the mystery deepens as to what happened to the first mother's son.
CSI investigates the murder of a man who was covered in hair from head to toe and shot in the heart with a silver bullet. After learning that Hypertrichosis, "The Human Werewolf Syndrome," runs in his family, his recluse twin werewolf sister, who had been hiding inside his house for fifteen years, may hold the key to discovering why her brother was hunted down like an animal.
The CSIs are brought into the world of fast world of tweakers and methamphetamines when a young man is found murdered in his girlfriend's garage after a wild night of partying. The murder first appears to a jealous girlfriend's revenge after discovering her boyfriend is a cheater is complicated when the other woman in the scenario is the girl's own mother.
The CSIs enter the world of glamorous old Vegas when a well-connected and sexy ex-musical star from years past is hosting a party and one of her guests winds up murdered in her bedroom in what looks to be a signature mob hit. A case in forensics becomes a case in Vegas' history of who's who from yesteryear for our team, but also has a personal connection for Catherine with her father, Sam Braun.
When the body of an emaciated, bald, and branded young woman is found half-buried in the desert outside of Vegas, Grissom teams up with Lady Heather and discovers the girl's death seems to be linked to a clinic where doctors performed experiments for sleep deprivation. The mystery deepens when someone in the clinic took advantage of some patients and used them in Nazi-esque scientific experiments on humans for race purification.
When a body is discovered stuffed in a working chimney of a residential home, CSI discover the body had been burned previously to be dumped at the house, and that the ID of the body is the son of the homeowner. During the processing of the home, Catherine and Warrick realize this is the same address of an unsolved homicide of a young female teenager from a year ago, and are able to re-open the investigation.
Shot in a documentary-style POV, a crime documentary series follows the CSIs for the first 48 hours of an investigation, and we learn why CSI does what they do as they solve the murder of an upscale real estate agent in her glamerous high-rise apartment.