“Party Down” — Det. Don Flack (Eddie Cahill) at a crime scene when a tractor-trailer carrying exclusive party guests mysteriously ends up at the bottom of the Hudson River, on CSI:NY, scheduled to air Friday, Feb. 4 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Sonja Flemming/CBS © CBS Broadcasting Inc. All Rights Reserved.