Watch Castle Season 5 Episode 6 online via TV Fanatic with over 7 options to watch the Castle S5E6 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, Xfinity, and TNT.
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Castle and Beckett find themselves investigating a murder at a sci-fi convention which has them dealing with crazy costumed fans and egotistical celebrities on this episode of Castle.