Prisoners of the Underground

E1830191 UNEXPLORED

"Prisoners of the Underground" is an episode from the 1935 science fiction Western film serial *The Phantom Empire*, which blends singing-cowboy adventure with a hidden subterranean civilization.

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All labels observed (1)

Label	Occurrences
Prisoners of the Underground canonical	1

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

The Phantom Empire → hasEpisodeTitle → Prisoners of the Underground ⓘ