Watch Castle Season 4 Episode 23 online via TV Fanatic with over 6 options to watch the Castle S4E23 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|
Beckett is hot on the trail of the person who shot her mother. Read on for a recap of the Castle season finale.