Watch Castle Season 4 Episode 20 online via TV Fanatic with over 5 options to watch the Castle S4E20 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, and Google Play.
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Brett Tucker guest stars this week as a detective from Scotland Yard. He teams up with Beckett and Castle on a personal case.
The guy is crazy about you. And despite your little act, you're crazy about him.Lanie
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Kate, it's been weird for four years.Lanie
- Permalink: Kate, it's been weird for four years.