Phase IV

Phase IV

Year: 1974

Runtime: 84 min

Language: English

Director: Saul Bass

Sci-FiThrillerHorror

While researching the death of a friend, a journalism student's investigation takes a disturbing turn, blurring the lines between reality and paranoia. As he delves deeper, Dean Cain finds himself increasingly isolated and unsure of who he can trust. The pursuit of the truth becomes a dangerous game, with the police and a shadowy killer closing in. He must unravel the mystery before it consumes him.

Warning: spoilers below!

Haven’t seen Phase IV yet? This summary contains major spoilers. Bookmark the page, watch the movie, and come back for the full breakdown. If you're ready, scroll on and relive the story!

Timeline & Setting – Phase IV (1974)

Explore the full timeline and setting of Phase IV (1974). Follow every major event in chronological order and see how the environment shapes the story, characters, and dramatic tension.

Time period

1970s

The story takes place in a contemporary late 20th-century setting in the American Southwest. A sealed dome laboratory and advancing computer technology anchor the action within this era. The harsh desert backdrop and scientific equipment convey a period of rapid scientific experimentation and growing ecological anxiety.

Location

Arizona desert, United States

The events unfold in the sun-scorched Arizona desert, where a high-tech laboratory sits amid sparse, harsh terrain. The area features seven geometrically perfect towers built by ants, rising from the sand and dominating the horizon. The desert environment creates a stark battleground between the evolving ant colony and the science team.

🗺️ Desert 🔬 Laboratory 🌵 Desert landscape

Last Updated: October 04, 2025 at 08:11

Main Characters – Phase IV (1974)

Meet the key characters of Phase IV (1974), with detailed profiles, motivations, and roles in the plot. Understand their emotional journeys and what they reveal about the film’s deeper themes.

Dr. James R. Lesko (Michael Murphy)

A pragmatic scientist who leads the sealed lab amid an evolving ant colony. He decodes an ant message and seeks to communicate through mathematics, gradually shifting from curiosity to a fatalistic belief that humans may be integrated into the ants' world. His arc moves from rational control to uneasy acceptance of a larger, non-human plan.

🧠 Scientist 🧪 Researcher

Dr. Ernest D. Hubbs (Nigel Davenport)

A tough-minded, impulsive scientist who pushes for a decisive strike against the ants' central hive. Delirious from venom, he becomes fixated on destroying the hive, ultimately leading himself into a trap. His actions catalyze the tension between aggressive tactics and the ants' surprising adaptability.

🧠 Scientist 🧪 Veteran

Kendra Eldridge (Lynne Frederick)

A young woman who seeks refuge with the scientists. She grows convinced that her actions have angered the ants and, in a bid to save the researchers, abandons the lab and appears to sacrifice herself. Her presence intensifies the discovery that the ants may seek to integrate humans into their world.

🧭 Survivor 🧡 Courage

Last Updated: October 04, 2025 at 08:11

Major Themes – Phase IV (1974)

Explore the central themes of Phase IV (1974), from psychological, social, and emotional dimensions to philosophical messages. Understand what the film is really saying beneath the surface.

🧠 Intellect

The film tests the limits of human intelligence when confronted with a genuinely intelligent non-human force. Lesko's attempt to communicate with the ants through mathematical messages reveals both curiosity and hubris. As the ants' hive mind outmaneuvers human defenses, the line between understanding and control becomes blurred.

🌐 Coexistence

A central tension is whether humans can coexist with a superior non-human civilization. The ants immunize against chemical weapons and expand their influence, challenging humanity's sense of dominance. The ending hints at a future where humans might be incorporated into the ants' world rather than exterminated.

🔬 Science vs Nature

The scientific method is both tool and obstacle as the lab's instruments fail to halt the ants. The film questions whether science can fully comprehend or control nature, suggesting that natural intelligence may surpass technological means and force a reevaluation of human supremacy.

Last Updated: October 04, 2025 at 08:11

Mobile App Preview

Coming soon on iOS and Android

The Plot Explained Mobile App

From blockbusters to hidden gems — dive into movie stories anytime, anywhere. Save your favorites, discover plots faster, and never miss a twist again.

Sign up to be the first to know when we launch. Your email stays private — always.

Explore Movie Threads

Discover curated groups of movies connected by mood, themes, and story style. Browse collections built around emotion, atmosphere, and narrative focus to easily find films that match what you feel like watching right now.

Movies about cosmic hubris like Phase IV

Stories where human arrogance meets a superior, inscrutable force.If you liked the scientific confrontation in Phase IV, explore other movies like it where human arrogance meets an alien or superior intelligence. These films explore themes of nature's revenge, inscrutable cosmic forces, and the chilling failure of human comprehension.

existentialunsettlingclinicalthoughtfulominoushumbling

Narrative Summary

The narrative typically follows characters, often scientists or experts, who confidently attempt to control, study, or defeat a non-human intelligence. Their methods fail, leading to a paradigm shift where the antagonist's true, often non-malicious but transformative, goal is revealed, forcing a humbling reevaluation of humanity's place in the universe.

Why These Movies?

These films are grouped by their shared theme of existential challenge to human supremacy. They create a specific kind of cerebral dread through the failure of logic and technology against a force that operates on a completely different level of consciousness or purpose.

Slow burn psychological thrillers like Phase IV

A creeping dread where the threat is as much internal as external.Fans of the slow-building tension and psychological breakdown in Phase IV will enjoy these similar movies. Discover other slow burn thrillers and horror films where characters face a creeping, pervasive threat that attacks their minds as much as their bodies.

slow burnclaustrophobicparanoidunsettlingpsychologicaldreadominous

Narrative Summary

Stories in this thread often involve characters in confined or isolated settings facing a slow, methodical threat. The conflict is less about explosive action and more about the gradual accumulation of unease, paranoia, and the breakdown of trust and rationality among the protagonists.

Why These Movies?

They share a specific atmosphere built on slow pacing, a tense tone, and a focus on psychological deterioration. The experience is defined by a pervasive sense of dread and the feeling of being trapped, both physically and mentally, by an inexorable force.

Unlock the Full Story of Phase IV

Don't stop at just watching — explore Phase IV in full detail. From the complete plot summary and scene-by-scene timeline to character breakdowns, thematic analysis, and a deep dive into the ending — every page helps you truly understand what Phase IV is all about. Plus, discover what's next after the movie.

Phase IV Summary

Read a complete plot summary of Phase IV, including all key story points, character arcs, and turning points. This in-depth recap is ideal for understanding the narrative structure or reviewing what happened in the movie.

Phase IV Summary

Phase IV Timeline

Track the full timeline of Phase IV with every major event arranged chronologically. Perfect for decoding non-linear storytelling, flashbacks, or parallel narratives with a clear scene-by-scene breakdown.

Phase IV Timeline

Phase IV Spoiler-Free Summary

Get a quick, spoiler-free overview of Phase IV that covers the main plot points and key details without revealing any major twists or spoilers. Perfect for those who want to know what to expect before diving in.

Phase IV Spoiler-Free Summary

More About Phase IV

Visit What's After the Movie to explore more about Phase IV: box office results, cast and crew info, production details, post-credit scenes, and external links — all in one place for movie fans and researchers.

More About Phase IV

Similar Movies to Phase IV

Discover movies like Phase IV that share similar genres, themes, and storytelling elements. Whether you’re drawn to the atmosphere, character arcs, or plot structure, these curated recommendations will help you explore more films you’ll love.