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.
Morgan becomes suspicious during the investigation of an anchor who was killed on air on CSI. "Dead Air" is the tenth episode of the show's 13th season.