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.

Zombies on Castle?
Watch Castle Season 4 Episode 22
"Undead Again"
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A zombie attack on Castle?!? That's the theory that starts to fly on this season four episode.

Ready to Brawl
Watch Castle Season 4 Episode 21
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It's a Firefly reunion on Castle this week, as Adam Baldwin guest stars in the fun role of Detective Ethan Slaughter.

Shirtless Holdup
Watch Castle Season 4 Episode 20
"The Limey"
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Brett Tucker guest stars this week as a detective from Scotland Yard. He teams up with Beckett and Castle on a personal case.

Tim Guinee on Castle
Watch Castle Season 4 Episode 19
"47 Seconds"
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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.

A Night of Dance Set
Watch Castle Season 4 Episode 18
"A Dance with Death"
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Castle delves into the world of reality TV this week, as a contestant on "A Night of Dance" is murdered n her dressing room.

Ryan and Espo
Watch Castle Season 4 Episode 17
"Once Upon a Crime"
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The detectives look into the deaths of women dressed as fairytale characters while Martha puts on a one woman show.

Sophia Turner and Company
Watch Castle Season 4 Episode 16
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This is the conclusion of the annual two-parter. It features Castle and Beckett racing to stop a chain of dangerous events from unfolding.

Jennifer Beals on Castle
Watch Castle Season 4 Episode 15
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Castle and Beckett are after a killer this week, which leads them to a major conspiracy. Jennifer Beals guest stars.

Castle in 1947
Watch Castle Season 4 Episode 14
"The Blue Butterfly"
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Told through flashbacks, Castle and the detectives investigate a murder linked to a double homicide in the 1940's.

Hilarie Burton on Castle
Watch Castle Season 4 Episode 13
"An Embarrassment of Bitches"
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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.

Mystery writer Richard Castle is mired in a case of writer's block after killing off the main character of his books. But he finds himself unexpectedly inspired by solving real life crimes with Detective Kate Beckett and even more affected by the detective herself whom he decides to base his new series of novels.

Castle Quotes

Castle: I am not saying I can speak with the dead, just that there are people in the world more sensitive than me.
Beckett: Now that's not hard to believe.
Castle: Walked right into that one.
Ryan: uh huh.

You're bribing me with a latte?