Mondays 10:00 PM on ABC
Castle
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Looking to watch Castle Season 4 Episode 4 online? TV Fanatic is your destination for every paid and free streaming option of the Castle S4E4 full episode from 2 affiliates.

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Episode Details

Castle Season 4 Episode 4: "Kick the Ballistics"

Uh-oh. The gun used in a murder this week is discovered to be Det. Ryan's former service weapon. That can't be good.