Mondays 10:00 PM on ABC
Watch Castle Season 4 Episode 22 online via TV Fanatic with over 2 options to watch the Castle S4E22 full episode. Affiliates with free and paid streaming include Amazon and iTunes.

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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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