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The Underground was released on June 16, 1966 but we couldn't find it on any streaming service yet. Rights can change — try again later.
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The Underground — streaming FAQ
Which OTT platform streams The Underground?
The Underground isn't streaming anywhere in United States yet.
Is The Underground on Netflix?
No, The Underground is not on Netflix in United States as of August 2026.
Is The Underground on Amazon Prime Video?
No, The Underground isn't on Amazon Prime Video in United States right now.
Where can I watch The Underground for free?
The Underground isn't streaming in United States yet, so there's no way to watch it free at the moment.
What is the OTT release date for The Underground?
The Underground hasn't started streaming in United States yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around August 4, 1966. This is a prediction, not a confirmed date.