After multiple attacks on a public tram, the team has just one witness and a lot of questions.

When three people confess to killing a family, the team must decide who is telling the truth.

During a date, Stokes discovers decomposing body parts in part of an art exhibit; D.B. Russell deals with a staff member confrontation.

The investigators attend the gala grand opening of a mob museum, only to witness an attempted hit on mob lawyer and former mayor Oscar Goodman.

The CSI unit investigates when Frank, an apparent murder victim, sits up and needs help but is he just another victim?

The murder of a popular sideshow performer sends the team behind the scenes at a carnival freak show.

The CSI crew is stumped when they discover a disembodied brain at a crime scene where all the other brains are accounted for.

Three new murders related to three unsolved (or incorrectly solved) crimes from the past come back to haunt the CSIs.

The murder of a retired Army Ranger brings the FBI in on the case, to Russell and Catherine’s initial chagrin.

When a man’s dead body turns up naked in the bed of Doc Robbins’ wife, the detectives try to “just work the scene” without bringing their pre-judgments to the table,…

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…

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

The CSI’s investigate a series of deaths related to an energy company’s grotesque cover-up of tainted water.

The sky is falling or at least people are. The CSI’s try to figure out if it was murder or sucide after a man is dead after falling from a…

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

The CSIs question the validity of an online picture depicting a murdered call girl until they find the same woman strangled to death in the dumpster that appears in the…

A body with unusual burn marks is discovered on the side of the road; Greg asks a teacher (Dita von Teese) out on a date.

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

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.

Jason McCann contacts Nick and says that he’s in imminent danger. Langston has a courtroom war of nerves against serial killer Nate Haskell. A bomb tech disarms a bomb attached…

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

While investigating the murder of a convicted ex-cop, the CSIs stumble upon a list in his prison cell with names of several individuals he believed might have been his wife’s…

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…

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….

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 becomes more determined than ever to track down Nate Haskell, the notorious “Dick & Jane” killer, after discovering that he’s kidnapped his ex-wife, Gloria.

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.

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.

A vampire and werewolf convention becomes the center of a murder investigation.

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

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…

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

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 the CSI team investigates the brutal murder of a family, they trace the killer to the house next door, which might belong to the “Dr. Jekyll” serial killer.

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…

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…

A legendary comic from the good old days of Las Vegas is set to reunite with his partner on stage for one night only, until one half of the famous…

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