Unknown World (1951)
With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.Unknown World featuring Bruce Kellogg and Otto Waldis is free on Tubi, and available for rent or purchase on Prime Video. It's an Action & Adventure and Science Fiction movie with a low IMDb audience rating of 4.1 (1,204 votes).
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Available to rent or buy
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Available to watch free online (Tubi).
Available to rent or buy from $2.99 on 1 service (Prime Video).
Not available to stream on a subscription service.
Not available to stream on a TV everywhere service.
#1104 Ranked in Science Movies
#2816 Ranked in Science-Fiction Movies
#21792 Ranked in Action & Adventure Movies
Unknown World has a low IMDb audience rating of 4.1 (1,204 votes). The movie is somewhat popular with Reelgood users lately.
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Unknown World Overview
With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.