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Castle airs on Mondays at 10/9c on ABC.

Original run: 2009 - present



TV Watch U.S. prediction: Likely Cancellation

All Castle TV Ratings

Synopsis (also check out the trailer below):
Richard Castle (Nathan Fillion) is a famous novelist who gets into contact with detectives from the NYPD after being questioned by them because of copy-cat murders based on his novels. Castle is intrigued by this side of crime and is allowed to shadow Detective Kate Beckett (Stana Katic). Castle uses Beckett as model for the main character of his new book.