Where to watch
Not available in United States
Streaming in 1 other country
Castle isn't on any streaming service in United States right now, but it's available in Japan. Streaming rights are licensed per country.
More from Ryotaro Miyajima · Director
More like this
Legend of the Galactic Heroes: My Conquest Is the Sea of Stars
1988 · 7.9
Origin: Spirits of the Past
2006 · 6.9
One Piece: Giant Mecha Soldier of Karakuri Castle
2006 · 6.9
Scarlet
2025 · 7.0
Genocidal Organ
2017 · 6.7
Buddha: The Great Departure
2011 · 7.5
Doraemon: Nobita and the Knights on Dinosaurs
1987 · 6.7
Doraemon: Nobita's Great Adventure in the Antarctic Kachi Kochi
2017 · 6.5
Doraemon: The New Record of Nobita's Spaceblazer
2009 · 6.7
Castle — streaming FAQ
Which OTT platform streams Castle?
Castle isn't on any streaming service in United States yet, but it's available in Japan. Streaming rights differ by country — switch your country in the header to see where.
Is Castle on Netflix?
No, Castle is not on Netflix in United States as of October 2026.
Is Castle on Amazon Prime Video?
No, Castle isn't on Amazon Prime Video in United States right now.
Where can I watch Castle for free?
Castle isn't streaming in United States yet, so there's no way to watch it free at the moment.
