Castle is an American comedy-drama police procedural television series on ABC which was created by Andrew W. Marlowe. It stars Nathan Fillion as Richard Castle, a. Watch Castle online. Stream episodes and clips of Castle instantly. Watch the official Castle online at ABC.com. Get exclusive videos, blogs, photos, cast bios, free episodes and more. 4.8/5.0 rating. See Castle: Season 3 on the Amazon Movies and TV store. Great savings on a wide range of DVD, Blu-ray, and 3D-Bluray titles. The seventh season of Castle premiered on September 29, 2014 on the ABC network, in the United States. On October 23, 2014, ABC gave the orders for one extra episode. Castle‘s seventh season already has proven to be a landmark one, in that Rick and Kate finally (finally) tied the knot. But this cycle could also make. The Castle Season 7 full episode guide offers a synopsis for every episode in case you a missed a show. Browse the list of episode titles to find summary recap you. Watch full episodes of Castle and get the latest breaking news, exclusive videos and pictures, episode recaps and much more at TVGuide.com Castle is an American crime drama television series, which premiered on ABC on March 9, 2009. The series is produced jointly by Beacon Pictures and ABC Studios. Castle: Watch full length episodes & video clips. Read the latest Castle episode guides & recaps, fan reviews, news, and much more.