Watch Castle Season 6 Episode 1 online via TV Fanatic with over 6 options to watch the Castle S6E1 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and TNT.
|YouTube Purchase||Watch Now|
|Google Play||Watch Now|
Will she or won't she? We learn Kate's response to Rick's major question on the Castle Season 6 premiere.