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Watch Castle Season 6 Episode 1 online via TV Fanatic with over 8 options to watch the Castle S6E1 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, Google Play, Xfinity, Hulu Plus, Hulu, and ABC.

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Episode Details

Castle Season 6 Episode 1: "Valkyrie"

Will she or won't she? We learn Kate's response to Rick's major question on the Castle Season 6 premiere.

Castle Season 6 Episode 1 Quotes

Oh my god! Oh my god! You're proposing!


Kate, I'm not proposing to you so you'll keep your job or because I'm afraid I'm going to lose you. I'm proposing because I can't imagine my life without you.

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