Watch a sneak peek and check out photos of the upcoming episode of CASTLE Under the Gun Season 3 Episode 3 which airs on Monday, October 4 at 10pm on ABC.
Episode Synopsis: When a coded document hidden by a murdered bail bondsman gets Castle's imagination running wild, Beckett must steer the case back to the violent felons who populated their victim's world - only to discover that maybe Castle's crazy theories aren't so crazy after all. Complicating matters is the surprise arrival of Beckett's ex-partner (now a bounty hunter). As the two reunite over a history that Castle has no part of, Castle is forced to watch the relationship take a turn towards the romantic, onCastle, MONDAY, OCTOBER 4 (10:01-11:00 p.m., ET), on the ABC Television Network.
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