Where to watch Unknown World (1951) in United States
- Movie
- United States
- 1h 14m
Which language do you want to watch Unknown World in?
Pick a language to see where it streams. On OTT in 3 countries and 1 languages.
English audio is available in
Streaming in United States
- ARROW Subscription Link soon
- Bloodstream Subscription Link soon
- Cultpix Subscription Link soon
- Eternal Family Subscription Link soon
- FlixFling Subscription Link soon
- Full Moon Amazon Channel Subscription Link soon
- Midnight Pulp Amazon Channel Subscription Link soon
- Philo Subscription Link soon
- Screambox Amazon Channel Subscription Link soon
- Troma NOW Subscription Link soon
- Artiflix Free Link soon
- Fawesome Free Link soon
- Prime Video Free · 1 audio · 2 subtitles Watch
- Tubi SD Free · 1 subtitles Watch
- Amazon MX Player Free with ads Link soon
- Amazon Prime Video Free with Ads Free with ads Link soon
- Xumo Play Free with ads Link soon
- The Roku Channel HD Channel add-on · 1 audio · 1 subtitles Watch
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Story
A team of scientists embarks on an ambitious expedition using an atomic-powered drilling vehicle designed to bore through rock. Their mission takes them deep beneath the Earth's surface, where they discover an entirely unknown world hidden underground. Led by Dr. Jerimiah Morley, the team must navigate the challenges and mysteries of this subterranean realm, combining scientific exploration with the dangers of venturing into uncharted territory.
Cast
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Bruce KelloggWright Thompson, Jr.
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Otto WaldisDr. Max A. Bauer
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Jim BannonAndrew "Andy" Ostergaard
- Tom HandleyDr. James Paxton
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Dick CoganDr. George Coleman
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George BaxterCarlisle Foundation Chairman
Frequently asked questions
Where can I watch Unknown World in United States?
Unknown World is available in United States on ARROW, Bloodstream, Cultpix, Eternal Family, FlixFling, Full Moon Amazon Channel, Midnight Pulp Amazon Channel, Philo, Screambox Amazon Channel, Troma NOW, Artiflix, Fawesome, Prime Video, Tubi, Amazon MX Player, Amazon Prime Video Free with Ads, Xumo Play and The Roku Channel. Use the buttons above to open the official platform.
Is Unknown World on a subscription in United States?
Yes. In United States it is included with ARROW, Bloodstream, Cultpix, Eternal Family, FlixFling, Full Moon Amazon Channel, Midnight Pulp Amazon Channel, Philo, Screambox Amazon Channel, Troma NOW and The Roku Channel — no extra rental charge.
Can I watch Unknown World free in United States?
Yes, legally and free on Artiflix, Fawesome, Prime Video, Tubi, Amazon MX Player, Amazon Prime Video Free with Ads and Xumo Play in United States.
Which audio languages are available in United States?
Unknown World is offered with English audio in United States.
When was Unknown World added to Prime Video in United States?
It showed up on Prime Video in United States on 17 Mar 2026.
Is Unknown World available in English in United States?
Yes. English audio is offered on Prime Video and The Roku Channel in United States.
Does Unknown World have English subtitles in United States?
Yes. English subtitles are listed on Prime Video, Tubi and The Roku Channel in United States.
Is Unknown World included with The Roku Channel in United States?
It is a paid channel add-on on The Roku Channel in United States, not part of the base plan — you pay for that channel separately.
Is Unknown World on Netflix in United States?
No. In United States it is not on Netflix right now. It is available on ARROW, Bloodstream, Cultpix, Eternal Family, FlixFling, Full Moon Amazon Channel, Midnight Pulp Amazon Channel, Philo, Screambox Amazon Channel, Troma NOW, Artiflix, Fawesome, Prime Video, Tubi, Amazon MX Player, Amazon Prime Video Free with Ads, Xumo Play and The Roku Channel instead.
Is Unknown World on Prime Video in United States?
Yes. Unknown World is on Prime Video in United States (free).
Which other countries have Unknown World?
Unknown World is also listed in Australia, Bahrain, Canada, Kuwait, Malaysia, New Zealand, Oman, Qatar, Saudi Arabia, Singapore, UAE and United Kingdom. Each country has its own platforms and prices.
