Mondays 10:00 PM on ABC
Castle
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Looking to watch Castle Season 2 Episode 21 online? TV Fanatic is your destination for every paid and free streaming option of the Castle S2E21 full episode from 2 affiliates.

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Episode Details

Castle Season 2 Episode 21: "Den of Thieves"

Castle and Beckett investigate the murder of a thief this week. Aptly, the episode is titled "Den of Thieves."