Castle 6×23 Promo “For Better or For Worse” Season Finale

Castle 6×23 “For Better or For Worse” (Season Finale) – Castle and Beckett’s long-awaited wedding is almost here, but when a shocking surprise threatens to ruin the big day, they are sent on a wild mission filled with masked men, angry bikers and a charming ne’er-do-well from Beckett’s past (guest star Eddie McClintock, “Warehouse 13”), on “Castle,” Monday, May 12th on ABC.

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