how many seasons does csi las vegas have
CSI: Crime Scene Investigation CSI: Crime Scene Investigation, also referred to as CSI and CSI: Las Vegas, is an American procedural forensics crime drama television series which ran on CBS from October 6, 2000, to September 27, 2015, spanning 15 seasons. The series, starring William Petersen, Marg Helgenberger, Ted Danson, Laurence Fishburne, Elisabeth Shue, and Jorja Fox, is the first in the CSI franchise. The series concluded with a feature-length finale titled "Immortality".