Where to watch
Not available in United Kingdom
Streaming in 1 other country
Castle isn't on any streaming service in United Kingdom right now, but it's available in Japan. Streaming rights are licensed per country.
More from Ryotaro Miyajima · Director
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Castle — streaming FAQ
Which OTT platform streams Castle?
Castle isn't on any streaming service in United Kingdom 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 Kingdom as of October 2026.
Is Castle on Amazon Prime Video?
No, Castle isn't on Amazon Prime Video in United Kingdom right now.
Where can I watch Castle for free?
Castle isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.
