The investigation into a body found in a chimney leads the CSIs to re-open an investigation of an unsolved homicide of a female teenager named Caroline Fitzgibbons.

The CSIs investigate the gruesome murder of Lady Heather’s estranged daughter, Zoe, who was found in the middle of the Vegas desert.

The CSIs must investigate when a party girl is injured and killed in a traffic accident.

The CSIs crash an elegant party for the city’s crème of the crème to discover who killed a young man. The case gets a bit more personal for Catherine when…

The CSIs investigate the stabbing of a motocross racer who was about to leave town with a young woman he had been living with. Also, Nick comes closer to finding…

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…

The CSI’s are called out to investigate the disappearance of a boy whose father died four years ago. Soon a couple is arrested at a convenience store with a boy…

Catherine and Brass investigate the case in which a man is found dead in a dumpster. It soon turns out the man had a serious food problem. The trail of…

The CSIs sift through the overwhelming evidence from a shootout with drug dealers in order to determine who is responsible for the death of a police officer killed during the…

The team must investigate the death of a police officer who died during a shootout leaving hundreds of bullets on the crime scene. The case becomes complicated when it turns…

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…

Nick takes the lead on a case where in the house a family of four, three pools of blood are found. Nick thinks that the little girl may still be…

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.

An up-and-coming movie star is found dead in his hotel room after a night of partying with his groupies.

The two forensic teams come back together under the leadership of Grissom and Catherine just in time to tackle three separate investigations: a murdered couple found in bed in a…

The CSI teams come together to save one of their own when they learn one team member has been kidnapped and buried alive, and now they must find him before…

Two amorous freshmen are found dead on a sleeping bag in a dorm room, and Sara and Greg run into one dead end after another as they try to determine…

A man (Alan Rosenberg) whom Catherine flirted with at a bar reappears in her life as a suspect in a murder investigation.

Grissom and Sara investigate the murder of a mental-hospital patient and quickly narrow down the suspects to a handful of other patients and staff members.

Brass travels to Hollywood, California to try to track down his estranged daughter’s friend, meanwhile trying to rekindle some kind of relationship with her.

One night, four cases. Grissom and Brass get a stolen hummer and a taco stand. Warrick gets a dead car show girl. Sara and Greg get a dead bodybuilder. Nick…

Grissom, Sara, and Nick investigate a wildfire that killed one man and badly burned a woman. Catherine, Nick, and Warrick get the case of a family of three murdered in…

A serial killer strikes again, and the CSI team tries new technology using evidence from a prior killing. They find a fingerprint belonging to Jesse Acheson, who becomes the prime…

Catherine, Nick, and Warrick investigate a badly mutilated body in the woods. The cause of death was a shotgun blast. Nearby is a beaver dam made in part with cash….

When a major Las Vegas player is found dead, Ecklie orders both teams to investigate the case. The man who had secrets on everyone in Vegas had a very big…

Grissom, Sofia, Sara and Greg investigate the disappearance of a woman coming home from a night out with a friend, her abandoned car found on the edge of a highway….

Catherine, Warrick and Nick find the body of two women at a construction site buried under tar. The swing shift are brought into the world of foreign “mail-order” brides. Sara…

The swing shift has a busy time. Warrick looks into the murder of man by someone who apparently needs a wheelchair. Nick looks into the murder of woman in the…

Greg, for his final proficiency, has to determine how the Sherlock Holmes of a Sherlock Holmes club was killed. Nick and Warrick try to determine how the driver of jeep…

Grissom and his team investigate the starving death of a five year old boy. They discover the boy has siblings who are in danger too. Catherine and her team determine…

Grissom is confronted with new evidence while on the stand of a murder trial of a restaurant owner. This development requires the reopening of the case and Eckley initiates an…

A woman who was pulled over by police is found murdered two miles up the road from the stop. It’s not long before Robbins determines that the woman is, genetically…

Grissom is called to a murder of a 17-year-old in a casino penthouse. Sophia Curtis (Louise Lombard) joins him in his research, she normally works in the day-shift. The entire…

The killer from The Execution of Catherine Willows returns with deadly results. The entire team is engaged in a race against time to stop this sadistic killer from succeeding again….

Grissom and Sara investigate the murder of a woman after a swap party. The married couples in the neighborhood meet and switch partners. With the help of a crime scene…

A woman is found dead in a hotel suite with symptoms of the ebola virus. Another woman is found dead with similar symptoms. Catherine and Nick investigate. Sara and Greg…

A child is abducted. As the Amber Alert goes out, the entire team investigates in a race against time. Lindsay Willows is found hitchiking to the alarm of Catherine.

Heavy rains in Vegas wash up a body in the storm drains. As the team investigates, they find bones from another murder.

A wild night in Las Vegas has the CSIs simultaneously investigating four fatalities. Greg Sanders’ first day in the field has him assisting Grissom’s investigation of a fatal nightclub shooting….