Catherine’s friend Laura’s mogul husband Mark has a lot to hide behind his successful international corporation, and he’s hired a crack team of assassins to carry out the murders of…

Following his escape, Nate Haskell, the notorious “Dick & Jane” killer, resurfaces when he e-mails a disturbing video to the father of one of his brides, threatening to take her…

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….

Sara clashes with her mother-in-law and a woman from Gil’s past.

The CSI team must investigate one of their own when Langston is accused by a former colleague of being part of the Dr. Jekyll murders, on part one of a…

When Hodges and Wendy take a group of high school CSI Explorer Scouts on a field trip, they embellish their role in solving cases and take their assignment a little…

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…

When a young boy is found murdered, the CSI team uncovers evidence that may link his death to an old case that recently resurfaced.

When a band member of Rascal Flatts is electrocuted by his own guitar during a concert, the CSI team investigates if it was a case of foul play.

The case of two high school students, one dead and one missing, lead the CSIs into the underbelly of streetcar racing and a tangled web of deadly competition.

The team investigates the murder of Jason, a troubled computer geek working at a low-level casino support industry job who lures a colleague, Paulie, into a dangerous plan to make…

A band of vicious bikers is given the go-ahead to take down one of their own when it’s discovered that the guy is an undercover cop.

When the producer of the reboot of a classic SF show is murdered at a Las Vegas science-fiction convention attended by both Hodges and Wendy (both, unknown to each other,…

Catherine revisits one of the very first cases she worked as a CSI when the convicted felon in the murder claims the verdict was based on faulty evidence.

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…

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…

The CSI are called to three different crime scenes in one night that are seemingly unrelated, but each case’s forensic evidence reveals a common link

Langston and Nick are called to investigate a murder at a fast food restaurant and have quite a task ahead of them when they discover that much of the evidence…

The first day on the job for Dr. Langston turns from bad to worse when a simple burglary case quickly overlaps with a complicated arson and homicide case.

The CSI team is shocked and saddened when, after working with Dr. Raymond Langston (Fishburne) on the “Dick & Jane” murders, Grissom announces that his time as a CSI has…

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

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.

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

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.

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

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

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…

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…

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…

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…

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 &…

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