When a seasoned sky diver is paralyzed after free falling to earth when his parachute doesn’t deploy, he turns out to be linked to the strange death-by-airborne-toxins of two wealthy…

After Warrick is shot in a Las Vegas alley, the CSI team comes together to deal with the aftermath.

A hypnotist bank robber becomes the prime suspect in a murder investigation.

After several victims are found dead while performing normal, everyday activities, the CSIs must find the reason as to why each of the victims remain upright after dying.

The team investigates the death of a woman who turns out to be the daughter of a wanted criminal.

Grissom asks Lady Heather for help when the team investigates a case connected to the world of domination.

The team has a hard time investigating a shooting in Koreatown when none of the witnesses will talk about the crime.

The murder of a mother and her child seems to be connected to a murder case from 12 years earlier.

A popular young singer is found dead outside an infamous Las Vegas nightclub, leading the CSI team to uncover a link between that crime and a murder 50 years earlier.

When the team discovers a connection between a new murder and a serial killer, Grissom secretly joins the class of a criminal pathologist (Laurence Fishburne) to help crack the case.

Catherine comforts Warrick when he is accused of murdering a famous Vegas gangster and even he is uncertain of his guilt or innocence.

Hodges stages hypothetical murders in the lab in order to give his fellow lab techs a chance to play CSI, but unbenownst to them he has other motives behind his…

The team investigates an underground mob. Warrick ends up becoming the prime suspect in a murder that’s related to the mob, and his addiction to pills starts to have a…

The world of illegal dog fighting is explored by Grissom and the rest of the team when they take on the case of a wealthy socialite who was murdered. Meanwhile,…

Two murders that happen during Las Vegas’ annual bull riding rodeo are investigated by the CSIs, who find that the murders might be connected to illegal bull breeding.

Grissom and his team battle the flu when they are called upon by D.D.A. Klein to investigate the deaths of several key witnesses for a grand jury case against a…

CSI investigates the death of a little girl whose identity remains unknown.

Brass, Catherine, Grissom and Nick work the case of a female victim found in an apartment building with a gun shot wound. Drops becomes a person of interest during the…

A deer is illegally killed, and the person found with the body in the back of his truck apparently dressed it in a tutu. The man, who was completely drunk…

Grissom, Catherine, Nick, Greg and Brass are investigating the death of a well known TV star called Annabelle.

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,…

The team investigates a girl whose whole family had been killed and she is supposedly possessed by the devil.

Grissom investigates the mysterious hanging death of a young man whose body looks like that of a female.

Grissom and his team investigate when an actress is killed on the set of a horror porn film.

Grissom and the team join forces with Jack Malone, an FBI Agent from New York to track a serial killer. The crossover continues on Without A Trace S06E06 Where &…

Sara questions her future as a CSI when a past case comes back to haunt her, the 12 year old Hannah, who has to back up her brother one more…

After a man is killed in his limousine, Greg finds that the murder victim has ties to the man he had to kill in self-defense. The team finds that the…

The CSI labrats take center stage to discuss the case of the Miniature Killer.

When a has-been boxer is killed, the CSIs must establish which of several life-threatening acts actually killed him.

Several suspects in a murder case are UFO-club members who believe shape-shifting aliens have been working to conquer the human race for centuries

Grissom investigates when a sadistic client tries to murder Lady Heather (Melinda Clarke), who makes the probe more difficult when she refuses to name her attacker. Also, Grissom’s reunion with…

As the CSI’s continue their search for and discover the identity of the “Miniature Killer”, Grissom and Sara’s relationship gets exposed to the rest of the team as she goes…

The Cadillac of an infamous 1970’s mob boss turns up in a lake, even though he disappeared years ago. A photo of current murder victims also turns up in the…

Grissom investigates when a worker at a poultry processing plant is found dead in a stun bath used to electrocute chickens before they are slaughtered. Nearby, a miniature replica of…

The team has a hard time trying to understand Michael who has become a team member since Grissom’s teaching hiatus. They investigate the murder of an unidentified girl who may…

At Keppler’s request Catherine uses a different approach to catch the killer, and in doing so she deceives the rest of the CSI team. The team soon discovers that something…

Nick and Keppler investigate the bizarre world of the black market sales of body parts after they find a body that has been burned and the organs removed. The rest…

Grissom returns from his sabbatical; Keppler is put into a compromising position when the bodies of a Trenton police officer and a hooker are found in a hotel room. The…

Once he unseals a package sent to him through the mail, Grissom is floored when he finds a miniature crime scene inside. The finding is entirely more perplexing since the…

Grissom and his team are discouraged when they find a pool of blood as they begin investigating the disappearance of a high school basketball star and his cheerleader girlfriend.Grissom’s quip…