Castle

CASTLE -- "Flowers for Your Grave" -- In the premiere episode of ABC's new midseason series, "Castle," a wildly famous mystery novelist, Richard Castle (Nathan Fillion, "Desperate Housewives"), who is bored with his own success, learns that a real-world copycat killer has started staging murders from scenes depicted in his novels. Castle is questioned by NYPD Detective Kate Beckett (Stana Katic, "The Spirit"), a bright and aggressive detective who keeps her investigations under a tight rein. Though they instantly clash, sparks of another sort also begin to fly, leading both to danger and a hint of romance as Castle steps in to help find the killer. "Castle" premieres MONDAY, MARCH 9 (10:02-11:00 p.m. ET) on the ABC Television Network. Authors James Patterson and Stephen J. Cannell guest star as themselves in a poker game. (ABC/ERIC LIEBOWITZ) STANA KATIC, NATHAN FILLION

CASTLE - "Knockdown" - Old wounds are reopened when the retired lead detective on Beckett's mother's homicide case contacts her with new information, but then is gunned down right in front of Beckett before he can tell her what he knows. The investigation into his death leads back to a decades-old conspiracy that may hold the answer to who was behind Beckett's mother murder and why. With the stakes and emotions running high, Castle and Beckett take their partnership to the next level, on "Castle," MONDAY, JANUARY 24 (10:01-11:00 p.m. ET). Max Martini guest stars. (ABC/ADAM TAYLOR) NATHAN FILLION, STANA KATIC

CASTLE - "Knockout" - Kate Beckett's investigation into her mother's death is reactivated when Hal Lockwood (guest star Max Martini, "The Unit") - a professional hitman with knowledge of Beckett's mother's murder - stages a spectacular escape during a court hearing. As police launch a manhunt for Lockwood, Castle and the team uncover evidence of a deeper conspiracy involving a mysterious figure with law enforcement connections who is linked to both Lockwood's escape and the killing of Johanna Beckett. The search for Lockwood and the quest to identify his co-conspirator leads to a shocking and deadly conclusion, on the Season Finale of "Castle," MONDAY, MAY 16 (10:01-11:00 p.m., ET) on the ABC Television Network. (ABC/PETER "HOPPER" STONE) NATHAN FILLION, STANA KATIC

CASTLE - "Always" -- When the murder of an Army veteran puts Beckett on the trail of the man who shot her, Castle must decide how much he's willing to sacrifice to keep her safe. As secrets are revealed and feelings are put on the table, the lives of the detectives at the 12th Precinct may never be the same, on the Season Finale of "Castle," MONDAY, MAY 7 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/VIVIAN ZINK) STANA KATIC

CASTLE - "Still" - Beckett's life is on the line when she steps on a pressure sensitive bomb. While the team searches for a way to disarm the explosive, Castle distracts Beckett by arguing with her about who fell for whom first , on "Castle," MONDAY, APRIL 22 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/Richard Foreman) NATHAN FILLION, STANA KATIC

CASTLE - "Watershed" - In the Season Finale, an interview with a high-profile federal law enforcement agency forces Beckett to reconsider what she wants out of her job -- and out of her relationship with Castle. Meanwhile, the body of a young woman is found floating inside the water tank of a skid row flop house, but as the team investigate, they discover that her final resting place is just one of many strange things about her death, on "Castle," MONDAY, MAY 13 (10:01-11:00 p.m., ET) on the ABC Television Network. (ABC/Richard Cartwright) STANA KATIC, NATHAN FILLION

CASTLE - "Crossfire" - With their best lead in hand, Castle and Beckett are ready to take on LokSat. But an unforeseen twist puts their case - and their lives - in jeopardy, on the season finale of "Castle," MONDAY, MAY 16 (10:00-11:00 p.m. EDT) on the ABC Television Network. "Crossfire" (ABC/Byron Cohen) STANA KATIC, NATHAN FILLION