"Endgame-- When Carries (Poppy Montgomery) obsessed admirer turns up dead, she must locate the killer while deflecting attention from the prime suspect: her, on UNFORGETTABLE, Tuesday, May 1 (10:00 - 11:00 PM ET/PT) on the CBS Television Network. Photo: Barbara Nitke/�2012 CBS Broadcasting Inc. All Rights Reserved.
Paget Brewster as Emily Prentiss on the CBS drama CRIMINAL MINDS scheduled to air on the CBS Television Network. Photo: Cliff Lipson/CBS ?��2011 CBS Broadcasting Inc. All Rights Reserved
This image released by BBC America shows actor Tom Weston-Jones as Detective Kevin Corcoran in a scene from "Copper." Set in 1864 New York City, "Copper" centers on Kevin Corcoran, an Irish-immigrant cop who has returned from the war to find his world turned upside down. His daughter has been murdered and his wife has vanished. Corcoran sets about to find his daughter's killer and his missing wife while policing this notoriously lawless patch of town. The series premiers Sunday at 10 p.m. EDT. (AP Photo/BBC America, George Kraychyk)
This image released by AMC shows Anson Mount as Cullen Bohannon in a scene from "Hell On Wheels," airing Sundays at 9 p.m. EST on AMC. Returning for its second season, AMC's "Hell on Wheels" focuses on Cullen Bohannon, a former Confederate soldier who after the war heads west to Nebraska to work on the transcontinental railroad and, he hopes, avenge the death of his wife at the hands of someone likely to be found at the Union Pacific construction camp. (AP Photo/AMC, Michelle Faye)