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Looking to watch Castle Season 4 Episode 22 online? TV Fanatic is your destination for every paid and free streaming option of the Castle S4E22 full episode from 2 affiliates.

Rating: 4.7 / 5.0 (293 Votes)

Episode Details

Castle Season 4 Episode 22: "Undead Again"

A zombie attack on Castle?!? That's the theory that starts to fly on this season four episode.

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