When does CSI: Crime Scene Investigation return?

CSI: Crime Scene Investigation ran on CBS from October 6, 2000, to September 27, 2015. It is the first series in the CSI franchise. The series starred William Petersen, Marg Helgenberger, Gary Dourdan, George Eads, Jorja Fox and Paul Guilfoyle. A follow-up series, CSI: Vegas, premiered in 2021.
CSI: Crime Scene Investigation follows a team of crime-scene investigators employed by the Las Vegas Police Department as they use physical evidence to solve murders. The team is originally led by Dr. Gil Grissom (Petersen), a socially awkward forensic entomologist and career criminalist. Catherine Willows (Marg Helgenberger) is a single mother with a cop's instinct. D.B. Russell is a family man, a keen forensic botanist and a veteran of the Seattle Crime Lab.