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Castle

Watch Castle Season 6 Episode 19 online and get to know the sister of Captain Gates.

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Looking to watch Castle Season 6 Episode 19 online? TV Fanatic is your destination for every paid and free streaming option of the Castle S6E19 full episode from 2 affiliates.

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Episode Details

Castle Season 6 Episode 19: "The Greater Good"

When a Wall Street Trader is murdered the investigation is complicated when they find out the victim was a confidential informant for a US Attorney who happens to be Capt. Victoria Gates' estranged sister on Castle.