Watch Castle Season 8 Episode 6 online via TV Fanatic with over 6 options to watch the Castle S8E6 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Verizon On Demand.
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On Castle Season 8 Episode 6, with Beckett away, Castle must help figure out if Det. Slaughter is guilty or innocent when a robbery case turns into a murder.