CSI: Crime Scene Investigation season 4

CSI: Crime Scene Investigation
Season 4
Season 4 U.S. DVD cover
StarringWilliam Petersen
Marg Helgenberger
Gary Dourdan
George Eads
Jorja Fox
Eric Szmanda
Robert David Hall
Paul Guilfoyle
No. of episodes23
Release
Original networkCBS
Original releaseSeptember 25, 2003 (2003-09-25) –
May 20, 2004 (2004-05-20)
Season chronology
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Season 3
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Season 5
List of episodes

The fourth season of CSI: Crime Scene Investigation premiered on CBS on September 25, 2003, and ended May 20, 2004. The series stars William Petersen and Marg Helgenberger.