Watch Castle Season 6 Episode 3 online via TV Fanatic with over 7 options to watch the Castle S6E3 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, Xfinity, and TNT.
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The murder of a former teen star from a '90s high school sitcom takes a strange turn when Beckett and McCord arrive at the 12th to take over the case and find a new detective at Beckett's desk on Castle.