Watch Castle (2009) series free. Castle is an American comedy series that features the life of the mystery novelist, Richard Castle who has a writer's block and became involve with a series of investigations when a copy-cat murder follows the pattern of his killing based on his novel. This is when Castle met Detective Kate Beckett and that's when he start "captivating" the officer. The Castle stars Nathan Fillion, Stana Katic, Susan Sullivan, Ruben Santiago-Hudson, Molly C. Quinn, Jon Huertas, Tamala Jones and Seamus Dever.
