The first season consisted of ten episodes. Originally branded as an epilogue limited series, the show was renewed for a second season in December 2021, without Fox, Petersen, or Rodriguez returning.
Wallace Langham, Paul Guilfoyle and Eric Szmanda also reprise their roles as David Hodges, Jim Brass and Greg Sanders, in a guest capacity. William Petersen and Jorja Fox reprise their roles from CSI: Crime Scene Investigation as Gil Grissom and Sara Sidle during the first season before departing, while Marg Helgenberger reprises her CSI: Crime Scene Investigation role as Catherine Willows beginning with season two. The series stars Paula Newsome, Matt Lauria, Mel Rodriguez, and Mandeep Dhillon as new characters. It is a follow-up to the long-running series CSI: Crime Scene Investigation, and the fifth series in the CSI franchise. CSI: Vegas is an American crime drama television series that debuted on CBS on October 6, 2021.
