Watch CSI Crime Scene Investigation Season 1 Full Episodes

The team is investigating the ongoing murders by a signature killer. The killer has some knowledge of forensics and has left little evidence behind....

On the day Grissom has to evaluate his team, a head is found in the trunk of a car. While Gil and Catherine work on the head, Sara and Nick...

Grissom, Nick, and Warrick take the case of a jogger who was killed by a wild animal in the park. It gets complicated when they discover that the...

Two women run over a deaf man but they didn't kill him- he was already dead. Grissom has to find out who did it and he's not getting help from the...

The entire team investigate the abduction of the infant child of a well to do family. Suspicion immediately falls on the child's parents.

A couple leaving a restaurant on their anniversary are killed in the street and their car is stolen. The crime scene is compromised when it rains...

A body is found in a pottery store in what's apparently a robbery that was interrupted. Fingerprints at the scene seem to match a twenty year old...

A woman is abducted from a mall parking garage. She's raped, beaten, shot and left for dead. Sara collects evidence from her and grows attached to...

At a swanky fundraiser, attended by the sheriff, a woman turns up dead in the pool. The owner of the house is away and a young couple is...

When a single human bone is discovered in the desert, Grissom and Catherine must cover miles of territory to find the rest of the skeleton. And...

A bomb goes off in an office building killing one and injuring many more. The chief suspect is a security guard who left minutes before the explosion...

A man convicted of arson and the murder of his wife and child seeks assistance from Grissom to help prove his innocence. Meanwhile, Catherine and...

A woman is abducted from a supermarket. In the store, Grissom finds a bathroom stall door that claims five women have been killed. Warrick is caught...

Grissom and Sara investigate a bug riddled body found in the desert. Warrick and Catherine look in to the theft of some valuable art. Nick gets to...

Grissom and his team investigate the death of a first class passenger on a flight to Las Vegas. The investigators are forced not only to examine the...

Royce Harmon was murdered 3 months ago in a scene staged to look like a suicide. Now another murder has taken place. Whoever the killer is he has a...

When a teenager and her sister are the sole survivors of the gruesome murder of four members of one family in a quiet suburban neighborhood, Grissom...

Catherine violates department protocol when she takes the case of a rape accusation against her ex-husband. Warrick and Sara search for the missing...

Grissom and Warrick take the case of a young man who is found naked in the desert without an obvious cause of death. Sara gets to find out why the...

Grissom and Catherine investigate when a leg is found severed from a body in a lake. They suspect the husband and boyfriend. Meanwhile Sara and...

Grissom, Nick, and Sara search for a kidnapped woman and find more than they expected. Catherine and Warrick investigate the hit and run death of a...

A man is killed after winning a fortune and then dumping his girlfriend. So, Grissom, Nick, and newcomer to the CSI team, Sara Sidel, investigate...

Gil Grissom is the supervisor of the graveyard shift of Las Vegas' elite crime scene investigators. Holly Gribbs, fresh out of the academy, joins the...