Watch Castle Season 2 Episode 21 online via TV Fanatic with over 6 options to watch the Castle S2E21 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Verizon On Demand.

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Episode Details

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

Rating: 4.0 / 5.0 (5 Votes)
Episode Number:

Castle Season 2 Episode 21 Quotes

Two weeks ago, I saved your life twice.


Wow, it's like we're all on the same case.


Castle Season 2 Episode 21 Music

  Song Artist
Song Unthought Known Pearl Jam iTunes
Song Not Bad At All Steve McDonald and Anna Waronker