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

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…

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….

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 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 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….

Bull’s new relationship with Diana, his on-again romantic rival, is complicated by his renewed feelings for his ex-wife, Isabella, when they’re reunited by the sudden death of her and Benny’s…

Hondo and Deacon must apply all their SWAT training and skills to evade a gang of armed mercenaries hunting them in the Angeles Mountains following an ambush. Also, Chris oversteps…

Brennan and Booth travel to Washington to investigate a human arm that was found in the stomach of a black bear.

A man is murdered by a small drone, so the team suspect a terrorist group is responsible. Nell attempts avoiding disaster at Long Beach.