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
CSI: Crime Scene Investigation (season 15) CSI: Crime Scene Investigation (season 15) The fifteenth and final season of "" premiered on CBS on September 28, 2014, and ended on February 15, 2015. The season stars Ted Danson and Elisabeth Shue. Finlay finds her car rigged to explode ("The CSI Effect") as Sara and Greg are quarantined ("Bad Blood") in the fifteenth and final season of "CSI". As Russell and Finn are forced to embark on a hunt for the elusive Gig Harbor Killer, their team investigates a final series of gruesome and unusual cases, including a fatal shooting at a marijuana store ("Buzz Kill"), a chemistry