Watch Castle Season 5 Episode 8 online via TV Fanatic with over 6 options to watch the Castle S5E8 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Verizon On Demand.
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Castle and Beckett bicker on this episode, only to be sent to retrieve the witness to a murder. From there, the couple goes on the run.