Percy calls the President the United States and threatens to set off a nuclear explosion unless his demands are met. Birkhoff finds two scientists who could help stop Percy’s new…

Alex informs Nikita that one of the recruits has been activated to carry out a suicide mission.

After an accident where the driver was decapitated during a dangerous stunt, the evidence leads the CSI’s to believe it was more than an accident. While gathering the evidence, the…

When a pop star is found dead in an alley, Beckett and Castle look into her hard-partying lifestyle; a shocking revelation rocks the investigation.

Paige and Agent Brody, are drawn into an unfinished novel that takes place in the 1930s, and they must elude the gangsters in pursuit of the famed Burmese falcon. Meanwhile,…

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….

The BAU travels to Portland to investigate a suspected gang of murderers targeting a new victim each night.