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…

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…

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…

In the second part of this two-parter Grissom investigates the murder of an aging rockstar who is found dead in his kitchen with an exact replica of the crime scene…

Grissom and Sara may be secret lovers, but they still find ways to surprise each other like when their religious beliefs surface when two nuns find a body of a…

Grissom attempts to get a confession from a neighborhood pedophile by having him help in locating two missing boys. The sex offender is the main suspect. The investigation is more…

While investigating an elderly woman’s murder, Grissom receives a miniature crime scene replica; Greg attends a hearing to ascertain his culpability in a teenager’s accidental death.

A mother thought to be grieving for the loss of her family three years ago becomes a suspect in a CSI investigation.

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…

The CSI’s lives are on the line as they close in on the elusive Dr. Jekyll, and more than one member of the team may not live to see his…

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 student is discovered murdered at Lindsey’s school, the investigation takes a sharp turn when the CSIs uncover an unlikely connection between the boy’s death and atrocities of the…

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.

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.

A bowling tournament is disrupted when an important piece of evidence is uncovered, leading the CSIs to investigate a murder at the same bowling alley.

Two secretaries on holiday from Arizona attempt to steal a man’s wallet and ATM pin number in a scam, and wind up dead in different locations. Meanwhile, the CSI team…

When two seemingly different crimes turn out to be related, the CSIs discover they’re interlocking parts of the same revenge plot.

The son of a notorious killer is arrested on suspicion of murder, and the CSI team must overcome their natural prejudices against the boy’s antecedents in order to track the…

When a policeman kills another officer, the CSIs must look to the evidence to determine if the shooting was premeditated or an accident.

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.

Langston and Riley are taken hostage during the aftermath of a shootout in an usually calm Las Vegas community.

Langston is shocked when his former student is found murdered and becomes the focus of a CSI investigation into the world of Mexican wrestling.

While Langston testifies in the trial of a respected Congressman, new evidence sends the CSIs back to the lab to reopen the investigation.

After years of pursuit and a countless number of murders, Langston comes face-to-face with serial killer Nate Haskell inside the house where his killing spree began.

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 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 Crime Scene crew investigates the gruesome murder of a high-powered, widowed lawyer, while Ray faces that it is time to move on from his old life.

The detectives search for the murderer of FBI agent Billy Ray Jackson, only Billy Ray isn’t really an FBI agent, and neither are his impressively capable partners, Miles Baker and…

The team investigates two apparent corpses who aren’t exactly dead at all.

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…

When shredded remains of a man are discovered, evidence leads to multiple possible suspects.

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.

The CSIs set out to track down a pedophile suspected of murdering an FBI agent’s wife and kidnapping his children.

The CSI team investigate the murder of a man whose daughter was killed five years ago, and the bizarre death of a young man who appears to have been killed…

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

The CSI team investigates a well-orchestrated bombing at the funeral of Officer Franklin Clark

The team investigates when a woman is attacked by a shark in the pool at a Las Vegas casino.

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

The CSI team investigates a mad slasher who strikes without leaving a trace — because he wears a form-fitting black latex suit that leaves not a molecule of evidence behind

The CSI team investigate a murder at the home of Marta, a “level 5 hoarder” whose home is stacked high with possessions and garbage–and more than one dead body