Watch Castle Season 3 Episode 16 online via TV Fanatic with over 5 options to watch the Castle S3E16 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, and Google Play.
|YouTube Purchase||Watch Now|
|Google Play||Watch Now|
Adrian Pasdar debuts on Castle this week, playing a federal agent. He's brought in to take over the investigation of a massive conspiracy.