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