CSI: Crime Scene Investigation (season 7) CSI: Crime Scene Investigation (season 7) The seventh season of "" premiered on CBS on September 21, 2006 and ended May 17, 2007. The series stars William Petersen and Marg Helgenberger. Catherine heads to a small town in Nevada ("Leaving Las Vegas") as Grissom and Sara continue their affair ("Living Doll"), in the seventh season of "CSI". Supervised by Grissom and Willows, the Las Vegas Crime Scene Investigators face both personal and professional challenges as Grissom says goodbye, and new CSI Michael Keppler joins the team ("Sweet Jane"), as they investigate the bizarre, the brutal, and the unprecedented, including a
CSI: Crime Scene Investigation (season 15) For that, and so much more, I am forever grateful." Don McGill became the lone showrunner for season fifteen. Starting with this season, the show moved to Sundays at 10:00 p.m, except for episode 16 which aired on January 27, 2015. <onlyinclude></onlyinclude> The season airs simultaneously on CTV in Canada. It premiered on Channel 5 in the United Kingdom on January 24, 2015. 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