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…

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 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 CSI investigates the mystifying death of a former pro golfer whose allegiance to the game might have cost him everything.

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…

The CSIs dig to find the truth about how a recent shootout at a gun store might connect to a young woman who may have committed suicide.

When Nick, Greg and Hodges take Henry to celebrate his birthday at a biker bar, they uncover a double homicide and find several suspects still at the bar who may…

A rising young star is killed in a wreck and her determined stalker claims credit, but the team finds out there’s more to this tragedy than meets the eye.

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,…

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…

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

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

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

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.

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

In the season finale, the CSIs wait by the bedside of one of their own when he’s shot in the line of duty. One CSI faces a hard choice by…

A wealthy defense attorney is killed at her son’s wedding but Nick’s car, containing all the collected evidence is stolen and the case is compromised. After discovering new evidence, the…

The team investigates the death of a psychic who “saw” her own death while performing a reading for two other women. Greg reveals a family secret to Grissom but Grissom…

The CSI team investigates the murder of a man suffering from a congenital hypertrichosis, causing him to grow excessive body hair. Elements of the case suggest a connection with a…

A 28 year-old single mother is found dead. Initially, it’s believed to be a suicide, but Catherine determines she was murdered. Also, Ecklie summons Grissom to refute the testimony of…

The CSIs come across an abandoned military compound being used by a small cult. The CSIs grow suspicious when they see that a mass suicide has taken place, but only…

The CSIs investigate a man’s claim that his wife fell down a set of stairs in their home.

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

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…

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…

Coming straight from the perspectives of five people: Donna, Rebecca, Jack, Lou and Ray. All with one thing in common. They’re all dead. Brass and Catherine get to handle the…

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

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…

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,…

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…

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

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

The CSI team says goodbye to Catherine Willows as she makes a life-changing decision.

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 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,…

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