Mondays 10:00 PM on ABC
Watch Castle Season 4 Episode 4 online via TV Fanatic with over 2 options to watch the Castle S4E4 full episode. Affiliates with free and paid streaming include Amazon and iTunes.

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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.

Castle Season 4 Episode 4 Quotes

Alibis can be bought, video doesn't lie.


To bravery, to commitment, to love, to sacrifice.

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