CSI: Crime Scene Investigation (season 13) Las Vegas ("In Vino Veritas"), Phillips heads to a high school reunion ("Dead of the Class"), and an investigation into a series of Dante's Inferno killings bring the CSIs face-to-face Black Sabbath ("Skin in the Game"), before jeopardizing the life of one investigator. In episode thirteen of the season, "CSI" staged a two-part crossover with its spin-off show "" in which Gary Sinise marked his first appearance in "CSI" and as his "CSI: NY" character Mac Taylor; cast member Ted Danson subsequently appeared in the "CSI: NY" portion of the story. Former cast member William Petersen also returned as Gil
CSI: Crime Scene Investigation (season 8) CSI: Crime Scene Investigation (season 8) The eighth season of "" premiered on CBS on September 27, 2007 and ended May 15, 2008. The season stars William Petersen and Marg Helgenberger. As the CSIs race to save one of their own ("Dead Doll"), Sara makes a life changing decision ("Goodbye and Good Luck"), and one investigator falls ("For Gedda"), in the eighth season of "CSI". Grissom, Willows and their team investigate a decapitation ("A La Cart"), a demonic possession ("Go to Hell"), the death of a hermaphrodite ("The Case of the Cross-Dressing Carp"), the murder of a slasher actress ("The