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The only horror film where ants are smarter than you—and the ending will haunt you forever.
TMDB
63
Rotten Tomatoes
50
Watch(US)

Phase IV (1974)

paranoidmicroscopic dreadseventies eco-horror

Overview

HorrorScience Fiction

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

Flag of USUSFlag of GBGB
Content warning
murderbased on short storydesertscientistantinsecttime lapse photography
human arrogancenature's revengecommunication breakdownevolutionary obsolescence

Standout Aspects

Direction

Saul Bass's only feature—yes, THAT title sequence legend

Cinematography

Macro photography so intimate you'll never step on ants again

Production

Practical ant wrangling that puts CGI swarms to shame

Best for:Solo: Late night, lights off, existential dread fully engaged·Streaming: Criterion Channel, preferably while questioning human supremacy·Rewatch: Second viewing for the geometric genius you missed
Heads up:Disturbing: Bleak, existentially crushing finale—no comfort, no hope·Triggers: Claustrophobic underground sequences, insect body horror
Saul Bass

Director

Saul Bass

ReleasedSep 13, 1974
Runtime1h 26m
StatusReleased

Vibe

Paceslow
Intensitymedium
Tonedark
Feelheavy
Paramount Pictures
Alced Productions

Top Cast

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)

Ask about Phase IV

Opens AI chat

Deep Dive

Trivia, insights & behind the scenes

Cultural

Saul Bass designed the most iconic title sequences in cinema history—Psycho, Vertigo, Anatomy of a Murder—yet Phase IV remains his sole directorial work, a beautiful anomaly.

1 item hidden due to spoilers
YouTube

Vinegar Syndrome 4K UHD + Blu-ray Promo Trailer

Vinegar Syndrome 4K UHD + Blu-ray Promo Trailer

Gallery(20 images)

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