CSI: New York Season 6 Episode 23 (CSI: New York s06e23) with title “Vacation Getaway” airs on Wednesday, May 26th 2010 at 10:00 pm via CBS.
Here is summary for CSI: New York Season 6 Episode 23 :

The CSIs follow a trail left by Shane Casey and realize that he is targeting Danny, who is vacationing out of town with Lindsay and their daughter

Few hours after original series aired on TV, online streaming video for CSI: New York Season 6 Episode 23 usually available on Net and of course, if video available, as soon as possible will show you where you can watch this episode for free.