Watch Castle Online
World famous mystery writer Richard Castle finds unexpected inspiration when Detective Kate Beckett questions him about a series of murders that based on his books.
A bomb goes off during a protest this week, causing Castle and Beckett to go back over the timeline of the event, and also to evaluate their lives.
Castle delves into the world of reality TV this week, as a contestant on "A Night of Dance" is murdered n her dressing room.
The detectives look into the deaths of women dressed as fairytale characters while Martha puts on a one woman show.
This is the conclusion of the annual two-parter. It features Castle and Beckett racing to stop a chain of dangerous events from unfolding.
Castle and Beckett are after a killer this week, which leads them to a major conspiracy. Jennifer Beals guest stars.
Told through flashbacks, Castle and the detectives investigate a murder linked to a double homicide in the 1940's.
The murder of a dog trainer/judge has Castle and Beckett looking into guest star Hilarie Burton's character, Kay Cappuccio, a character resembling reality star Kim Kardashian.
The detectives investigate a murder which leads back to Castle's friend, Mayor Welden.
Ryan prepares to get married and the detectives look to solve the murder of a pick up artist.
Castle and Beckett wake up handcuffed together with no memory of the situation. Time to find out what happened!
