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
Kitty (CSI: Crime Scene Investigation) to get rid of the press. Nick Stokes (George Eads) catches up with a suspect (Gil Bellows) and tests him for GSR which comes back positive so he is arrested. D.B. Russell (Ted Danson) enters the house and he notices that the technology seems to follow him and the lights turn on when he walks past them. Greg Sanders (Eric Szmanda) tells D.B. that he believes the house is a smart house. While Julie Finlay (Elisabeth Shue) is taking crime scene photos, Al Robbins (Robert David Hall) gives a brief belief of what he believes happened. When D.B. looks through