CSI: Crime Scene Investigation (season 7) CSI: Crime Scene Investigation (season 7) The seventh season of "" premiered on CBS on September 21, 2006 and ended May 17, 2007. The series stars William Petersen and Marg Helgenberger. Catherine heads to a small town in Nevada ("Leaving Las Vegas") as Grissom and Sara continue their affair ("Living Doll"), in the seventh season of "CSI". Supervised by Grissom and Willows, the Las Vegas Crime Scene Investigators face both personal and professional challenges as Grissom says goodbye, and new CSI Michael Keppler joins the team ("Sweet Jane"), as they investigate the bizarre, the brutal, and the unprecedented, including a
Pilot (CSI: Crime Scene Investigation) In exchange for giving him a blank warrant, the judge gets Warrick to place a bet for him on a football game. Grissom takes Holly to her first crime scene, a store robbery, and leaves her there. However, when the store owner pulls a gun on Holly, she requests backup from Catherine. Later, as Holly wonders if she is cut out for this job, Catherine convinces her to stay until she solves her first case and that if she doesn't feel like King Kong on cocaine after she's solved her case, then she can quit. But if Gribbs stays with