Watch Castle Season 4 Episode 20 online via TV Fanatic with over 6 options to watch the Castle S4E20 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Verizon On Demand.

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Episode Details

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


Rating: 4.1 / 5.0 (344 Votes)
Show:
Castle
Season:
Episode Number:
20

Castle Season 4 Episode 20 Quotes

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

Lanie

Kate, it's been weird for four years.

Lanie