Where to watch
Underground isn't on any streaming service in United Kingdom right now, but it's available in Canada, United States. Streaming rights are licensed per country.
Cast · Directed by Arthur H. Nadel
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Underground — streaming FAQ
Which OTT platform streams Underground?
Underground isn't on any streaming service in United Kingdom yet, but it's available in Canada and United States. Streaming rights differ by country — switch your country in the header to see where.
Is Underground on Netflix?
No, Underground is not on Netflix in United Kingdom as of August 2026.
Is Underground on Amazon Prime Video?
No, Underground isn't on Amazon Prime Video in United Kingdom right now.
Where can I watch Underground for free?
Underground isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.
What is the OTT release date for Underground?
Underground hasn't started streaming in United Kingdom yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around November 25, 1970. This is a prediction, not a confirmed date.