Watch Castle Season 2 Episode 24 online via TV Fanatic with over 7 options to watch the Castle S2E24 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, Xfinity, and TNT.
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Monet Mazur returns to Castle for this week's season finale. During the hour, Castle and Beckett investigate what appears to be the assassination of an intelligence operative