The revelation shocker of things to come!
The first manned expedition to Mars is invaded by an unknown life form, which stows away on the rescue ship.
TMDB audience score
Based on 121 votes
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Availability in the US
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United States listings · Refreshed 13 Oct 2026. More horror to watch in the US
MyCinema quick facts
Worked out from the film's TMDB record and its United States provider listings. These are facts about the data, not a review.
Short watch · 1h 9m
At 1h 9m it runs under 90 minutes.
More horror under 90 minutesScience Fiction · Horror
TMDB files it under science fiction and horror.
4 subscriptions · 1 free · 5 to rent · 5 to buy
Included with 4 subscription services: Amazon Prime Video, ScreenPix Apple TV channel, Amazon Prime Video with Ads, and 1 more. Free or ad-supported on YouTube Free. Listed to rent from 5 stores. Listed to buy from 5 stores.
5.8 / 10 on TMDB
TMDB users rate it 5.8 out of 10 across 121 votes, a mixed audience score. That is a moderate sample of voters.
The scare meter is MyCinema's own rating, given by a person who has watched the film. It is not a TMDB score.
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Horror and thrillers that TMDB recommends alongside this film.
20 Million Miles to Earth
1957, 1h 22m
When the first manned flight to Venus returns to Earth, the rocket crash-lands in the Mediterranean near a small Italian fishing village. The locals manage to save Colonel Robert Calder, the mission commander. A young boy also recovers what turns out to be a specimen of an alien creature. Growing at a fantastic rate, it manages to escape and eventually threatens the city of Rome.
Open 20 Million Miles to Earth
