

8.343 minSeason 3 • Episode 10
LatestAfter an explosion in a bio lab, the CSI team races to determine which nerve agent left one of their own unconscious, while the others explore a dangerous underground tunnel to find another CSI who got kidnapped during the blast.
Facing an existential threat that could bring down the Crime Lab, a brilliant team of forensic investigators must welcome back old friends and deploy new techniques to preserve and serve justice in Sin City.
Production
Vegas itself—neon-drenched cinematography makes the city a character again.
Acting
Marg Helgenberger's return grounds the new cast in franchise DNA.
Trivia, insights & behind the scenes
CSI: Vegas arrived during peak revival fever, joining franchises like Dexter and Law & Order in testing if lightning strikes twice.
William Petersen filmed only limited episodes due to health issues—Grissom's absence in later seasons wasn't planned.