Castle

CASTLE - "I, Witness" - Castle is hired to uncover if a client's husband is having an affair, but the case takes a shocking turn when Castle witnesses the client's murder - by her husband. But with no proof that the killing took place, Castle and Beckett must investigate to expose the truth, on "Castle," MONDAY, FEBRUARY 2 (10:01-11:00 p.m., ET) on the ABC Television Network. (ABC/Nicole Wilder) NATHAN FILLION

CASTLE - "Reckoning" - In the second installment of the Castle two-parter, stakes rise as the 12th Precinct matches wits with serial killers Jerry Tyson (3XK) and Dr. Kelly Nieman. With the clock ticking, Castle and the team must crack the case before the killers claim their next victim, on Part 2 of "Castle," MONDAY, FEBRUARY 16 (10:01-11:00 p.m., ET) on the ABC Television Network. (ABC/Colleen Hayes) NATHAN FILLION

CASTLE - "The Wrong Stuff" - When an astronaut training for a trip to Mars is mysteriously killed inside a Mars simulation, Castle and Beckett don spacesuits to investigate. But when they discover no one inside the sealed simulation could have committed the murder and no one from the outside could get in, the case takes a shocking turn, on "Castle," MONDAY, FEBRUARY 23 (10:01-11:00 p.m., ET) on the ABC Television Network. (ABC/Richard Cartwright) NATHAN FILLION

CASTLE - "Hollander's Woods" -- A death in the woods draws Castle back to a terrifying and defining event in his childhood. Investigation leads to obsession, as he attempts to unearth answers that have eluded him for decades, all while Beckett faces a crossroads of her own, on the season finale of "Castle," MONDAY, MAY 11 (10:01-11:00 p.m., ET) on the ABC Television Network. (ABC/Richard Cartwright) NATHAN FILLION

CASTLE - "XX" - In part two of last week's Season 8 premiere, Beckett's side of her abrupt disappearance is revealed. After receiving a mysterious tip from her past, Beckett is launched into a fight for her life, with a team of mercenaries hot on her trail. While Castle investigates why his wife is on the run, Beckett must figure out who wants her dead, before they can finish the job. "XX" will air on MONDAY, SEPTEMBER 28 (10:01-11:00 p.m. ET/PT) on the ABC Television Network. (ABC/Richard Cartwright) NATHAN FILLION

CASTLE - "What Lies Beneath" - When Castle's idol, a famously reclusive author, turns up dead, Castle is determined to solve his hero's murder. But as he and Beckett dig deeper, they discover that truth is stranger than fiction. "What Lies Beneath" will air on MONDAY, OCTOBER 12 (10:01-11:00 p.m. ET/PT) on the ABC Television Network. (ABC/Colleen Hayes) NATHAN FILLION

CASTLE - "The Last Seduction" - In order to hunt down the brutal murderer of a grifting seducer, Castle & Beckett must investigate New York's elite. Meanwhile, Castle plans to surprise Beckett on their one-year wedding anniversary. "The Last Seduction" will air on MONDAY, NOVEMBER 16 (10:01-11:00 p.m., ET) on the ABC Television Network. (ABC/Richard Cartwright) NATHAN FILLION