Mondays 10:00 PM on ABC
Watch Castle Season 4 Episode 20 online via TV Fanatic with over 2 options to watch the Castle S4E20 full episode. Affiliates with free and paid streaming include Amazon and iTunes.

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Episode Details

Castle Season 4 Episode 20: "The Limey"

Brett Tucker guest stars this week as a detective from Scotland Yard. He teams up with Beckett and Castle on a personal case.

Castle Season 4 Episode 20 Quotes

The guy is crazy about you. And despite your little act, you're crazy about him.


Kate, it's been weird for four years.