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 14) CSI: Crime Scene Investigation (season 14) The fourteenth season of "" premiered on September 25, 2013 on CBS, and ended on May 7, 2014. The season stars Ted Danson and Elisabeth Shue. The series's 300th episode aired during the season, with Marg Helgenberger guest starring in the landmark episode in a series of newly recorded "flashbacks" to a case that occurred in the time frame of the first season. Due to the leave of absence taken by George Eads following his altercation with a writer, he appears only in the first three episodes of the season, under the pretext of