CSI: Crime Scene Investigation (season 1) in the 4:3 aspect ratio. It was, however, filmed in 16:9, and the widescreen versions of the episodes are present on the Blu-ray release. CSI: Crime Scene Investigation (season 1) The first season of "" premiered on CBS on October 6, 2000, and ended on May 17, 2001. The series stars William Petersen and Marg Helgenberger. It's all change at the Las Vegas Crime Lab following the shooting death of Holly Gribbs ("Pilot"), yet the team still find themselves tasked with solving the bizarre, the brutal, and the impossible. Under the supervision of new Supervisor Gil Grissom, and his second-in-command
CSI: Crime Scene Investigation (season 9) and Wendy attend a sci-fi convention ("A Space Oddity"). William Petersen and Gary Dourdan both depart the main cast, and are replaced by Lauren Lee Smith and Laurence Fishburne, respectively. Jorja Fox recurs. <onlyinclude></onlyinclude> 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