- HD 1080
- Runtime: 86m.
- Status: Released
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- Languages: en
- Country: United Kingdom, United States of America
- Director: Saul Bass
- Stars: Nigel Davenport, Michael Murphy, Lynne Frederick, Alan Gifford, Robert Henderson
- keywords: insect, ant, murder, scientist, desert, based on short story, time lapse photography
- Production_studio: Paramount Pictures, Alced Productions, PBR Productions
- Slogan: The day the Earth was turned into a cemetery!
- The Phase IV is featured in the top rankings of 1974
- #14 in Top Horror Movies of 1974
Arizona ants mock the food chain on their way to a desert lab to get two scientists and a woman.
