Immortality (CSI: Crime Scene Investigation) the Las Vegas Crime Lab, noting that, should Sara reject the promotion she is going to be offered, Catherine will accept it in lieu of her former colleague. The series ends with the newly promoted Sara, upon hearing a recording of Grissom confessing his love for her, sailing from the Port of San Diego with Grissom. Off-screen, Sara resigns, and Catherine is hired as lab director. Scenes were filmed to explicitly depict the transition, though they were cut from the aired episode. A second deleted scene, featuring Catherine and her daughter, was also deleted. Catherine informs Lindsey that she should
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