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.

Castle, Beckett and the Mayor
Watch Castle Season 4 Episode 12
"Dial M for Mayor"
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The detectives investigate a murder which leads back to Castle's friend, Mayor Welden.

Sharing Chinese Food
Watch Castle Season 4 Episode 11
"'Till Death Do Us Part"
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Ryan prepares to get married and the detectives look to solve the murder of a pick up artist.

Handcuffed Together
Watch Castle Season 4 Episode 10
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Castle and Beckett wake up handcuffed together with no memory of the situation. Time to find out what happened!

A Case of PTSD
Watch Castle Season 4 Episode 9
"Kill Shot"
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A sniper is making waves in NYC, causing Beckett to deal with her PTSD. Castle and Esposito do their best to help her through the situation.

A Casino Case
Watch Castle Season 4 Episode 8
"Heartbreak Hotel"
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An Atlantic City casino owner is found dead in NYC leading to a bachelor party for Ryan on the latest episode of Castle.

Dean Norris on Castle
Watch Castle Season 4 Episode 7
"Cops & Robbers"
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A bank robbery goes bad when Castle and Martha are held hostage inside. Find out what happened in the latest episode of Castle now!

A Ghost Did It?
Watch Castle Season 4 Episode 6
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Castle and Beckett hunt down the murder of a famous ghost hunter on the latest installment of Castle.

Kristin Lehman on Castle
Watch Castle Season 4 Episode 5
"Eye of the Beholder"
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Kristin Lehman guest stars this week as Serena Kaya, an insurance investigator who helps out Beckett & Castle when a murder and robbery takes place at an art museum.

Coffee at the Crime Scene
Watch Castle Season 4 Episode 4
"Kick the Ballistics"
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Uh-oh. The gun used in a murder this week is discovered to be Det. Ryan's former service weapon. That can't be good.

In the Coroner's Office
Watch Castle Season 4 Episode 3
"Head Case"
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A missing body leads the detectives into the world of cryonics and Alexis gets news from Stanford.

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?