Movie·1959·80 min

The Giant Behemoth

Name: The Giant Behemoth
Genre: Science Fiction, Horror
Released: 1959-03-03
Duration: 80 min
Rating: 5.8
Cast: Gene Evans, André Morell, Leigh Madison, John Turner, Alastair Hunter

The Giant Behemoth streams in the US free with ads on Plex, Plex Channel and Cineverse, as of October 5, 2026.

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5.8 / 10 · TMDBTomatometer 17%Audience 27%IMDb 5.7Letterboxd 2.8

Scores via MDBList. Rotten Tomatoes and Tomatometer are trademarks of Fandango Media, LLC; Metacritic, IMDb and Letterboxd are trademarks of their owners.

Science Fiction Horror

Marine atomic tests cause changes in the ocean's ecosystem resulting in dangerous blobs of radiation and the resurrection of a dormant dinosaur which threatens London.

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