CSI: Crime Scene Investigation (season 2) CSI: Crime Scene Investigation (season 2) The second season of "" premiered on CBS on September 27, 2001 and ended May 16, 2002. The series stars William Petersen and Marg Helgenberger. The murder of a Police Chief leads Willows and Brown to Miami ("Cross Jurisdictions"), in the second season of "CSI". The Las Vegas CSIs investigate another series of gruesome, unprecedented, and unsolvable crimes, including the murder of Catherine's brother ("Burked"), the disappearance of a University student ("Chaos Theory"), the death of a construction worker ("Overload"), the discovery of a decomposed body in a bag ("Bully for You"), a scuba
CSI: Crime Scene Investigation (season 9) CSI: Crime Scene Investigation (season 9) The ninth season of "" premiered on CBS on October 9, 2008 and ended May 14, 2009. The series stars William Petersen, Marg Helgenberger and Laurence Fishburne. As the team grieve for their fallen colleague ("For Warrick"), Grissom makes a life changing decision ("One to Go"), during the ninth season of "CSI". Also this season, Sara investigates the death of a woman attacked nine years ago ("The Happy Place"), new CSI Riley Adams joins the team ("Art Imitates Life"), and she and Nick witness a store robbery on Halloween ("Let it Bleed"), Grissom attends