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

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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BBC Play of the Month
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The Saint
The Saint
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Minder
Minder
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The Wednesday Play
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1964 · 5.2
The Adventures of Robin Hood
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1955 · 6.4
ITV Saturday Night Theatre
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1969 · 7.0
Theatre 625
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1964 · 7.2
Thirty-Minute Theatre
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1965 · 4.3
See all fromNigel Davenport

More from Michael Murphy · Co-star actor

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1990 · 7.3
Person of Interest
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2011 · 8.1
Law & Order: Criminal Intent
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2001 · 7.6
Bonanza
Bonanza
1959 · 7.5
Judging Amy
Judging Amy
1999 · 7.5
Hogan's Heroes
Hogan's Heroes
1965 · 7.6
L.A. Law
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1986 · 7.1
American Experience
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1988 · 6.5
Baretta
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Ben Casey
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See all fromMichael Murphy

More from Saul Bass · Director

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

More like this

Them!
Them!
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Automata
2014 · 5.9
Return of the Fly
Return of the Fly
1959 · 6.1
The Blob
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1988 · 6.9
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2014 · 6.5
Alien Abduction
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Mark of the Vampire
Mark of the Vampire
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The Meg
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Island of Terror
Island of Terror
1966 · 5.9
The Curse of Frankenstein
The Curse of Frankenstein
1957 · 6.8
Twilight Zone: The Movie
Twilight Zone: The Movie
1983 · 6.5
The Tingler
The Tingler
1959 · 6.4

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 September 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.