Episode 5.08 – My Name is Mac Taylor
Air Date: November 19, 2008
St. Louis fans should be excited about this episode since two of the guest stars are connected to their city. Nelly is from St. Louis originally and Marshall Faulk played football for the Rams.
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CSI: NY – Episode 5.03: Turbulence
Air Date: October 08, 2008
This is another detail-heavy episode. If you’re into the details, it certainly helps if you recorded the episode, just in case…
On a commercial airliner running into mild turbulence, Mac tries to calm the man sitting next to him. The young man, Ed Riley, is on his way to file for a patent, and shows Mac his invention: The Wig Lock, that holds his toupée down. Mac finds a flight attendant’s brisk movement to the back of the plane curious, and follows her to the galley.
(click on “Read More” for the rest …read more

No, he won’t be the new coroner or lab rat, but he has been signed for a multi-episode story arc in season 5 of CSI :NY. According to EW, he will play a club owner who serves as a confidential informant to Mac and his team.
The article went on to give us another casting spoiler:
In other CSI: NY news, in a piece of stunt casting that has the words “Danny/Lindsay montage” written all over it, Maroon 5 will make a cameo in this season’s second episode, airing Oct. 1.