This Was the Day That Engulfed the World in Terror!
When a melting iceberg releases a prehistoric giant praying mantis, a palaeontologist works alongside the military to kill it after it attacks scientific outposts on its way to Washington and New York.
TMDB audience score
Based on 82 votes
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Availability in the UK
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UK only · Refreshed 10 Oct 2026.
MyCinema quick facts
Worked out from the film's TMDB record and its United Kingdom provider listings. These are facts about the data, not a review.
Short watch · 1h 19m
At 1h 19m it runs under 90 minutes.
More horror under 90 minutesHorror · Science Fiction
TMDB files it under horror and science fiction.
No UK listings
No UK subscription, free, rental, or purchase listing is currently recorded for this film.
5.0 / 10 on TMDB
TMDB users rate it 5.0 out of 10 across 82 votes, a mixed audience score. That is a moderate sample of voters.
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