Watch Castle S04E23
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When the murder of an Army veteran puts Beckett on the trail of the man who shot her, Castle must decide how much he's willing to sacrifice to keep her safe. As secrets are revealed and feelings are put on the table, the lives of the detectives at the 12th Precinct may never be the same.. You can watch Castle S04E23 here.
Air date: May 07, 2012 on ABC at 10:00 PM
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Guest stars
Tahmoh Penikett, Geoff Pierson, Judith Scott, Onahoua Rodriguez, Lobo Sebastian, Sal Lopez