CSI Crime Scene Investigation The CSIs investigate firsthand the behind-the-scenes action of Cirque du Soleil to determine what contributed to a young dancer's untimely death. Later, after visiting a nightclub, Catherine finds herself in jeopardy and must act as her own. 2026-10-22 Grissom is fascinated when every detail of a miniature is identical to that of a real crime scene and goes about trying to solve the case. Meanwhile, Catherine again finds herself in danger and begins to suspect who may be responsible. 2026-10-22 While Grissom leads a group of college students on a tour of CSI, the dead "speak" while the CSIs investigate, each narrating their own case: a dead casino security guard, a wife who "fell" off a cliff, and a murdered war veteran just back from Iraq. 2026-10-22 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