CSI: Crime Scene Investigation (season 4) CSI: Crime Scene Investigation (season 4) The fourth season of "" premiered on CBS on September 25, 2003 and ended May 20, 2004. The series stars William Petersen and Marg Helgenberger. Nick accidentally leaks information to a news reporter ("Assume Nothing"), and Catherine tries to discover how a body ended up in a bathtub ("All for Our Country") during the fourth season of "CSI". Supervised by Grissom and Willows, the Las Vegas CSIs are tasked with investigating the bizarre, the unlikely, and the unprecedented, including a disappearing gun ("Homebodies"), the death of a baby during a heatwave ("Feeling the Heat"),
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