Watch Castle Season 3 Episode 23 online via TV Fanatic with over 5 options to watch the Castle S3E23 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, and Google Play.
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During a rehearsal for "Baron's All-American Beauty Pageant," the contestants find the dead body of Miss Illinois! Castle and Beckett must dive into the world of cut-throat beauty contest competitions.