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

Midsomer Murders
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The Wednesday Play
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The Saint
The Saint
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BBC Play of the Month
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Thirty-Minute Theatre
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The Adventures of Robin Hood
The Adventures of Robin Hood
1955 · 6.4
ITV Saturday Night Theatre
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1969 · 7.0
The Name of the Game
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1968 · 7.0
See all fromNigel Davenport

More from Michael Murphy · Co-star actor

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Law & Order
Law & Order
1990 · 7.3
Law & Order: Criminal Intent
Law & Order: Criminal Intent
2001 · 7.6
Bonanza
Bonanza
1959 · 7.5
Judging Amy
Judging Amy
1999 · 7.5
L.A. Law
L.A. Law
1986 · 7.0
American Experience
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1988 · 6.5
Hogan's Heroes
Hogan's Heroes
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Ben Casey
Ben Casey
1961 · 5.9
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More from Saul Bass · Director

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

More like this

Them!
Them!
1954 · 6.8
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Automata
2014 · 5.9
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Return of the Fly
1959 · 6.1
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The Car
1977 · 6.4
The End of Oak Street
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2026 · 7.1
Time Lapse
Time Lapse
2014 · 6.5
The Meg
The Meg
2018 · 6.2
Alien Abduction
Alien Abduction
2014 · 5.9
The Curse of Frankenstein
The Curse of Frankenstein
1957 · 6.8
Willard
Willard
1971 · 6.1
The Asphyx
The Asphyx
1972 · 6.0
Silver Bullet
Silver Bullet
1985 · 6.7

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 Store, Apple TV Store and YouTube. It's not on Netflix.

Is Phase IV on Netflix?

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