Mondays 10:00 PM on ABC
Castle
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Looking to watch Castle Season 4 Episode 16 online? TV Fanatic is your destination for every paid and free streaming option of the Castle S4E16 full episode from 2 affiliates.

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Episode Details

Castle Season 4 Episode 16: "Linchpin"

This is the conclusion of the annual two-parter. It features Castle and Beckett racing to stop a chain of dangerous events from unfolding.