Where to watch
History Vault
Plex
Cast · Directed by Seymour Kneitel
More from Seymour Kneitel · Director
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The Underground World — streaming FAQ
Which OTT platform streams The Underground World?
The Underground World is streaming on History Vault and Plex in United States. It's not currently on Netflix.
Is The Underground World on Netflix?
No, The Underground World is not on Netflix in United States as of November 2026. It's currently on History Vault and Plex.
Is The Underground World on Amazon Prime Video?
No, The Underground World isn't on Amazon Prime Video in United States right now. It's on History Vault and Plex instead.
Where can I watch The Underground World for free?
The Underground World is available to stream free (with ads) on Plex in United States.
