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

Availability shown for Australia · rights vary by country

Cast · Directed by Saul Bass

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

More from Nigel Davenport · Lead actor

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The Wednesday Play
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Minder
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Thirty-Minute Theatre
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See all fromNigel Davenport

More from Michael Murphy · Co-star actor

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Person of Interest
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Bonanza
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L.A. Law
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Judging Amy
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More from Saul Bass · Director

Quest
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1984 · 6.9
The Solar Film
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1980 · 6.1
Notes on the Popular Arts
Notes on the Popular Arts
1978 · 5.8
Why Man Creates
Why Man Creates
1968 · 6.7
The Searching Eye
The Searching Eye
1964 · 6.8
Bass on Titles
Bass on Titles
1977 · 6.3
From Here to There
From Here to There
1964 · 8.0
See all fromSaul Bass

More like this

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Them!
1954 · 6.8
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1959 · 6.1
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2026 · 7.1
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Alien Abduction
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The Blob
1988 · 6.9
Time Lapse
Time Lapse
2014 · 6.5
Willard
Willard
1971 · 6.1
Island of Terror
Island of Terror
1966 · 5.9
Mark of the Vampire
Mark of the Vampire
1935 · 6.2

Phase IV — streaming FAQ

Which OTT platform streams Phase IV?

Phase IV isn't on any subscription service in Australia right now, but you can rent or buy it on JustWatch TV, Apple TV Store and Google Play Movies. It's not on Netflix.

Is Phase IV on Netflix?

No, Phase IV is not on Netflix in Australia as of October 2026. You can rent or buy it on JustWatch TV and Apple TV Store.

Is Phase IV on Amazon Prime Video?

No, Phase IV isn't on Amazon Prime Video in Australia right now.

Where can I watch Phase IV for free?

Phase IV isn't available free in Australia; you can only rent or buy it on JustWatch TV and Apple TV Store.