via press release:
"In Vino Veritas" — When CSI Mac Taylor decides to surprise his girlfriend in Vegas, he discovers she’s missing, and asks his friend D.B. Russell for help. Meanwhile, the CSIs investigate the loss of a local wine collector on part one of a two-part crossover with CSI: NY, on CSI: CRIME SCENE INVESTIGATION, Wednesday, Feb. 6 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Gary Sinise (CSI: NY) guest stars as Mac Taylor.
“Seth and Apep” – Mac and the team partner with D.B. Russell to outsmart Christine’s kidnappers before they run out of time to save her life, in the second part of a two-part crossover, on CSI: NY, Friday, Feb. 8 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Ted Danson (CSI: CRIME SCENE INVESTIGATION) guest stars as CSI D.B. Russell. Navid Negahban (“Homeland”) guest stars as Zane Kalim, a criminal with information about Christine’s whereabouts.