Watch Castle Season 4 Episode 2 online via TV Fanatic with over 7 options to watch the Castle S4E2 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, TNT, and Verizon On Demand.
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Beckett & Castle track down a vigilante named Lone Vengeance through the city and make some headway with Captain Gates.