Watch Castle Season 6 Episode 15 online via TV Fanatic with over 6 options to watch the Castle S6E15 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Verizon On Demand.
|YouTube Purchase||Watch Now|
|Google Play||Watch Now|
|Verizon On Demand||Watch Now|
The murder of a high school mean girl brings Castle back to one of his many alma maters and face to face with a possible telekinetic killer on Castle.