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.

Stana Katic and Nathan Fillion
Watch Castle Season 6 Episode 1
"Valkyrie"
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Will she or won't she? We learn Kate's response to Rick's major question on the Castle Season 6 premiere.

Castle Season 5 Finale Photo
Watch Castle Season 5 Episode 24
"Watershed"
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Beckett reconsiders what she wants out of her job, and out of her relationship, in the Season 5 finale of Castle.

Carlos Bernard on Castle
Watch Castle Season 5 Episode 23
"The Human Factor"
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Why are federal agents trying to take over a case? That's the question on Castle this week.

Cute Castle
Watch Castle Season 5 Episode 22
"Still"
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Beckett's life is on the line on this episode of Castle after she steps on a bomb. Uh-oh!

Ryan and Castle Scene
Watch Castle Season 5 Episode 21
"The Squab and the Quail"
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Beckett is assigned to protect a billionaire on this episode of Castle, which prompts her to reflect on her relationship.

Something Amiss
Watch Castle Season 5 Episode 20
"The Fast and the Furriest"
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When a dead woman is found with claw like slash marks, Rick wants to believe Big Foot is the culprit on Castle.

A Bored Castle
Watch Castle Season 5 Episode 19
"The Lives of Others"
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Rick goes stir crazy when he's stuck at home and thinks he witnesses a murder in another apartment on Castle.

Kevin Ryan Photo
Watch Castle Season 5 Episode 18
"The Wild Rover"
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We learn a lot more about Ryan on this episode of Castle, as the detective goes undercover.

Castle, Beckett and Espo
Watch Castle Season 5 Episode 17
"Scared to Death"
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Castle and Beckett delve into an especially creeper case this week, as a woman dies... from fear?!?

Leading Castle Away
Watch Castle Season 5 Episode 16
"Hunt"
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We finally meet Castle's father on the conclusion of the annual two-parter. This is a major episode!

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

Sometimes the hardest things in life are the things most worth doing.

Castle

Kate Beckett: You texted Castle and not me?
Kevin Ryan: Well, when you have a crazy theory you don't call the voice of reason.