Castle

CASTLE - Pilot (ABC/ERIC LIEBOWITZ) STANA KATIC

CASTLE - "Deep in Death" -- When the new season begins, Castle (Nathan Fillion) is wrestling with how to repair his relationship with Beckett (Stana Katic), while struggling to finish his soon-to-be-published bestseller, Heat Wave. But circumstances force the pair back together to investigate the mysterious murder of a man found dead, tangled in the limbs of a tree. The Season Two premiere of "Castle" airs MONDAY, SEPTEMBER 21 (10:01-11:00 p.m. ET) on ABC. Authors Stephen J. Cannell and Michael Connelly guest star as themselves in the episode. (ABC/MICHAEL DESMOND) STANA KATIC

CASTLE - "He's Dead, She's Dead" - When a famous psychic is murdered, Beckett and Castle search for her killer while also carrying on a spirited debate on the existence of extrasensory abilities. Evidence mounts on both sides, especially when a letter arrives from the victim, penned the day she was killed and predicting her own death -- or was it written by a clever killer, hoping to throw off the investigation? -- on "Castle," MONDAY, SEPTEMBER 27 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RICHARD CARTWRIGHT) STANA KATIC

CASTLE - "Head Case" - Gunshots, a fleeing van and a massive blood pool all point to murder, but when Castle & Beckett arrive at the crime scene, they discover that it lacks something - the victim! The investigation leads to the cutting-edge world of life-extension science, a cunning high-tech researcher (guest star William Atherton), and a sleazy porn mogul who invested in a modern-day "fountain of youth." Meanwhile, Alexis finds out whether she got into Stanford, on "Castle," MONDAY, OCTOBER 3 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/ADAM TAYLOR) JON HUERTAS, NATHAN FILLION, STANA KATIC

CASTLE - "After the Storm" - After four seasons of "will they" or "won't they," Richard Castle and Kate Beckett finally gave in to their feelings for each other in the much anticipated Season 4 finale. Season 5 picks up on the proverbial morning after, with Castle and Beckett facing new questions -- Was this a one-time fling, or are they now a couple? But before they find the answers, they must take on the forces responsible for Beckett's mother's murder that now threaten Kate Beckett's life. The Season 5 premiere of "Castle" airs MONDAY, SEPTEMBER 24 (10:01-11:00 p.m. ET) on the ABC Television Network. Also in the episode, Jack Coleman ("Heroes") guest stars as a well-liked U.S. Senator who finds himself in conflict with Beckett. (ABC/VIVIAN ZINK) STANA KATIC

CASTLE - "Time Will Tell" - A grisly murder investigation leads Castle and Beckett to a suspect (Joshua Gomez, "Chuck," guest stars as Simon Doyle) who claims he's traveled back in time to stop terrible events from unfolding, events that will change the course of human history. Is he simply a deluded killer, or is it possible that he's telling the truth, on "Castle," MONDAY, OCTOBER 21 (10:01-11:00 p.m., ET) on the ABC Television Network. (ABC/Randy Holmes) STANA KATIC

CASTLE - "Clear & Present Danger" - When a pool shark is murdered by an unseen force, Castle and Becket uncover evidence that the killer may have paranormal powers. Meanwhile, Castle and Beckett attempt to get their lives back to normal following his disappearance, on "Castle," MONDAY, OCTOBER 13 (10:01-11:00 p.m., ET) on the ABC Television Network. (ABC/Colleen Hayes) STANA KATIC

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) STANA KATIC