CSI: Crime Scene Investigation (season 11) CSI: Crime Scene Investigation (season 11) The eleventh season of "" premiered on CBS on September 23, 2010 and ended May 12, 2011. The season stars Marg Helgenberger and Laurence Fishburne. Langston fights for his life ("Shockwaves") as Catherine meets a man from her past ("Pool Shark"), in the eleventh season of "CSI". Willows and her team face both personal and professional demons this season, as they investigate cases including a decapitation ("Blood Moon"), the knife attack of a Vegas icon ("Sqweegel"), a woman with a hoarding condition ("House of Hoarders"), a T-Rex attack ("Cold Blooded"), a human shredding ("Bump
Immortality (CSI: Crime Scene Investigation) reviewing the series finale, Gavin Hetherington of SpoilerTV named the episodes "the perfect send-off for such an epic show". He later called the episode a "dream come true" for fans of the series with the reunion of Gil, Catherine and Sara. Immortality (CSI: Crime Scene Investigation) "Immortality" is the two-hour series finale of "" aired on September 27, 2015 on CBS. When a suicide bomber detonates his vest on the floor of the Catherine Willows-owned Eclipse casino, the FBI special agent returns from Los Angeles to join the investigation. Gil Grissom, meanwhile, working to preserve sharks in international waters, is