E1Episode 1
Where to watch
Not available in United Kingdom
Streaming in 1 other country
The Castle isn't on any streaming service in United Kingdom right now, but it's available in Spain. Streaming rights are licensed per country.
Seasons & Episodes
E1
E2Episode 2
E3Episode 3
E4Episode 4
E5Episode 5
E6Episode 6
Cast
More from Omar Ayuso · Lead actor
More from Laia Marull · Co-star actress
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The Castle — streaming FAQ
Which OTT platform streams The Castle?
The Castle isn't on any streaming service in United Kingdom yet, but it's available in Spain. Streaming rights differ by country — switch your country in the header to see where.
Is The Castle on Netflix?
No, The Castle is not on Netflix in United Kingdom as of October 2026.
Is The Castle on Amazon Prime Video?
No, The Castle isn't on Amazon Prime Video in United Kingdom right now.
Where can I watch The Castle for free?
The Castle isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.
How many seasons are in The Castle?
The Castle has 1 season in total (6 episodes). The series concluded in 2026.
Are all episodes of The Castle out yet?
Yes — all 6 episodes across 1 season of The Castle are out and available to stream.
Is there a Season 2 of The Castle?
No — The Castle ended after 1 season, so there is no Season 2.
Is The Castle based on a book?
Yes — The Castle is based on a book or novel.
