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Castle

8 Season
173 Episode

Castle - Season 4 Episode 21 Headhunters

A whole new chapter in crime solving.


(2071 votes, average: 7.97/ 10)

48 minutes 2026 HD

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With tensions rising between Castle and Beckett, Castle finds himself a new partner -- Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before

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