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.

Jewel Staite - Castle
Watch Castle Season 8 Episode 20
"Much Ado About Murder"
Original Air Date:

On Castle Season 8 Episode 20, when a movie star turned theater actor is killed, Castle and Beckett learn he had a nefarious reason for choosing Shakespeare.

Two Murder Attempts - Castle
Watch Castle Season 8 Episode 19
"Dead Again"
Original Air Date:

On Castle Season 8 Episode 19, the team at the 12th tries to solve the case when a safety inspector mysteriously survives not one, but two attempts on his life.

Clearing Hayley - Castle
Watch Castle Season 8 Episode 18
"Backstabber"
Original Air Date:

On Castle Season 8 Episode 18, Castle and Beckett rush to clear Hayley's name when she is implicated in a killing and cyber-terror attack after helping a friend.

The Team Meets at the Hospital - Castle
Watch Castle Season 8 Episode 17
"Death Wish"
Original Air Date:

On Castle Season 8 Episode 17, when a man who smuggled Turkish relics is killed, the team at the 12th search for a stolen antique believed to be Aladdin’s lamp.

Esposito's Ex - Castle
Watch Castle Season 8 Episode 16
"Heartbreaker"
Original Air Date:

On Castle Season 8 Episode 16, Esposito's past comes back to haunt him when an old romance may be involved with the death of an armored-car driver.

The Academy - Castle
Watch Castle Season 8 Episode 15
"Fidelis Ad Mortem"
Original Air Date:

On Castle Season 8 Episode 15, when an NYPD recruit is murdered, the team heads back to the academy to investigate and Castle struggles with a major decision.

The Greatest Detective Society - Castle Season 8 Episode 14
Watch Castle Season 8 Episode 14
"The G.D.S."
Original Air Date:

On Castle Season 8 Episode 14, when Castle heads to L.A. to solve his disappearance, he ends up being recruited by the Greatest Detective Society to solve a case.

The Police Are Stonewalled - Castle
Watch Castle Season 8 Episode 13
"And Justice For All"
Original Air Date:

On Castle Season 8 Episode 13, Castle goes undercover when an English as a Second Language student is murdered and his class won't talk to the police.

Mind Games - Castle
Watch Castle Season 8 Episode 12
"The Blame Game"
Original Air Date:

On Castle Season 8 Episode 12, Beckett and the 12th race to save Rick when he is forced to work with strangers to solve deranged puzzles involving mind games.

Russian Security - Castle
Watch Castle Season 8 Episode 11
"Dead Red"
Original Air Date:

On Castle Season 8 Episode 11, Beckett and Castle end up in a dangerous game of international crime when the son of a Russian diplomat turns up dead.

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: How do you know when you're in love?
Beckett: All the songs make sense.

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

Castle