Castle Season 4 Episode 21
Castle
Season 4

Ep 21. Headhunters

  • TVPG
  • April 16, 2012
  • 41 min
  • 8.4  (1,434)

Castle gets a new partner -- Detective Ethan Slaughter, a tough and colorful cop from the city's gang unit. Slaughter shows him a grittier side of police work that endangers Castle's life.

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Description
Watch Castle - Headhunters (s4 e21) Online - Watch online anytime: Buy, Rent
Castle, Season 4 Episode 21, is available to watch and stream on ABC. You can also buy, rent Castle on demand at Amazon, Hulu, Vudu, Microsoft Movies & TV, Sling, Google Play, Apple TV online.
  • Genres
    Drama
  • Cast
    Nathan Fillion
    Stana Katic
    Susan Sullivan
    Adam Baldwin
    Michael McGrady
  • Channel
    ABC
  • First Aired
    April 16, 2012
  • Content Rating
    TVPG
  • Runtime
    41 min
  • Language
    English
  • IMDB Rating
    8.4  (1,434)
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