Movie·1943·8 min
The Underground World
The Underground World streams in the US on History Vault, and free with ads on Plex and Plex Channel, as of October 6, 2026.
6.3 / 10 · TMDB
Superman has to save Lois Lane from a cult of hawk-people in an homage to Edgar Rice Burroughs's "At the Earth's Core".
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The concierge · Still listening
Streaming on
History Vault
Plex
Plex Channel
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