Watch Castle Season 4 Episode 9 online via TV Fanatic with over 6 options to watch the Castle S4E9 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Verizon On Demand.
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A sniper is making waves in NYC, causing Beckett to deal with her PTSD. Castle and Esposito do their best to help her through the situation.