CSI Crime Scene Investigation Catherine and Keppler begin to investigate the murder of a teen-aged "Jane Doe." Both agree that the killer, who was meticulous in removing evidence from the body and surrounding area, is likely a repeat offender. 2026-10-23 A frantic 911 call sends the CSIs into a vacant penthouse; however, instead of finding the caller, they unearth a nearly 100-year-old corpse and find themselves navigating their way through a booby-trapped house. 2026-10-23 A reformed drug addict with everything to live for is found dead in an alley. The CSI's discover he was the victim of a premeditated plot. 2026-10-23 A death row inmate's final request brings Dr. Hawkes to a Pennsylvania prison and face-to-face with a tragic incident that he has kept secret for many years, just as a prison riot erupts and traps Hawkes inside. 2026-10-24 When Mac and Aubrey come across the scene of a 14-year-old boy who has been shot in front of his 12-year-old brother, it takes Mac's drive for justice to another level. 2026-10-24 When a slab of concrete starts bleeding in midtown, the CSIs' investigation takes them into the underground world of hardcore fighting, where men moonlight as "weekend warriors" for the pleasure of a live viewing audience. 2026-10-24