The team investigates a particularly dark case involving the sins of "Dante's Inferno" on the season finale of CSI. "Skin in the Game" is the 20th episode of the show's 13th season.
David Cassidy guest stars as a poker player in the middle of a murder investigation on CSI. "Last Woman Standing" is the 14th episode of the show's 13th season.
Gary Sinise guest stars when Mac Taylor heads to Vegas asking D.B. Russell for help finding his girlfriend on CSI. "In Vino Veritas" is the 12th episode of the show's 13th season.
McKeen: Is DB on board with this, cause I think he's going to want to talk to me. Brass: [slams him against the wall] If anything happens to that little girl, I've got people too.