Watch a sneak peek and browse photos from the Season 3 premiere episode of CASTLE A Deadly Affair Season 3 episode 1 which airs on Monday, September 20 at 10pm on ABC. You can also read all our coverage of Castle here.
Episode Synopsis: When the new season of Castle begins, Beckett hasnât heard from Castle since he left for the Hamptons months ago to finish writing his second Nikki Heat novel, Naked Heat. The most Beckett, Ryan and Esposito have seen of Castle is a bookstore standee of him advertising an upcoming book signing. So when Beckett and her team burst into a shadowy apartment on the trail of a murderer, the last thing they expect to see is the real-life Castle standing over a dead womanâs body holding a gun! As Castle protests his innocence, Beckett has no choice but to arrest him on suspicion of murder.