Where to watch
Not available in United Kingdom
Streaming in 3 other countries
Under the Sea 3 isn't on any streaming service in United Kingdom right now, but it's available in Canada, Mexico, United States. Streaming rights are licensed per country.
Cast · Directed by Barry Markle
More from Barry Markle · Director
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Under the Sea 3 — streaming FAQ
Which OTT platform streams Under the Sea 3?
Under the Sea 3 isn't on any streaming service in United Kingdom yet, but it's available in Canada, Mexico and United States. Streaming rights differ by country — switch your country in the header to see where.
Is Under the Sea 3 on Netflix?
No, Under the Sea 3 is not on Netflix in United Kingdom as of September 2026.
Is Under the Sea 3 on Amazon Prime Video?
No, Under the Sea 3 isn't on Amazon Prime Video in United Kingdom right now.
Where can I watch Under the Sea 3 for free?
Under the Sea 3 isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.
