CSI and CSI: NY are teaming up for a two-part crossover in February.

CSI will kick things off in the first hour, with CSI: NY's Detective Mac Taylor (Gary Sinise) traveling to Las Vegas to surprise his girlfriend Christine (Megan Dodds). When she's missing upon his arrival, he calls on D.B. Russell (Ted Danson) to help find her.

Fall TV report card: How's the new class doing?

In the second part, airing on CSI: NY, Russell will go to New York as the pair searches to find out if Christine is still alive.

Exclusive CSI: NY First Look: Why does Lindsay suspect Danny?

The procedurals previously staged a three-part crossover with the now-defunct CSI: Miami in 2009.

Part 1 will air Wednesday, Feb. 6 at 10/9c and Part 2 will air Friday, Feb. 8 at 9/8c.

Are you excited for the crossover?

View original CSI and CSI: NY Staging Two-Part Crossover at TVGuide.com

Other Links From TVGuide.com CSI: Crime Scene InvestigationCSI: MiamiCSI: NYGary SiniseTed DansonMegan Dodds