Phase IV poster
Where to stream

Phase IV

6.319741h 26mPGMovieHorrorScience Fiction

Arizona ants mock the food chain on their way to a desert lab to get two scientists and a woman.

DirectorSaul Bass
WriterMayo Simon
ProducerPaul B. Radin

Where to watch

KanopyKanopy
Availability shown for United States · rights vary by country

Cast · Directed by Saul Bass

Nigel Davenport
Nigel Davenport
Dr. Ernest D. Hubbs
Michael Murphy
Michael Murphy
James R. Lesko
Lynne Frederick
Lynne Frederick
Kendra Eldridge
Alan Gifford
Alan Gifford
Mr. Eldridge
Robert Henderson
Robert Henderson
Clete
Helen Horton
Helen Horton
Mildred Eldridge
David Healy
David Healy
Radio Announcer (voice) (uncredited)

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Phase IV — streaming FAQ

Which OTT platform streams Phase IV?

Phase IV is streaming on Kanopy in United States, and available to rent or buy on JustWatch TV and Amazon Video. It's not currently on Netflix.

Is Phase IV on Netflix?

No, Phase IV is not on Netflix in United States as of August 2026. It's currently on Kanopy.

Is Phase IV on Amazon Prime Video?

Phase IV isn't included with a Prime Video subscription in United States, but you can rent or buy it on Amazon Video.

Where can I watch Phase IV for free?

Phase IV is available to stream free (with ads) on Kanopy in United States.