Phase IV

Where to Watch Phase IV (1974) (Legally)

The day the Earth was turned into a cemetery!
Sep 13, 1974 GB 86 min PG
6.3 ★ ★ ★ ★ ★
295 votes
Horror Science Fiction
Where can I watch “Phase IV” legally?
We don’t host streams or downloads. Below are legal provider hints for the US region first, with a fallback for other English-speaking regions if available.

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English-region fallback

Found availability signals for: GB
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Where to watch “Phase IV” (1974) legally online? See US options first, with English-region fallbacks.

What to expect (spoiler-free)

Planning a movie night? This is a spoiler-free snapshot of “ (1974).

Genre-wise, it leans into Horror, Science Fiction, with a runtime around 86 minutes.

Top billed names include Nigel Davenport, Michael Murphy, Lynne Frederick, Alan Gifford.

The listed certification for some regions is “ (ratings vary by country).

Topics & keywords

insect, ant, murder, scientist, desert, based on short story, time lapse photography

Official trailer

Watch the official trailer on YouTube

Plot

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

If you liked this, try

Them! (1954) Automata (2014) The Car (1977) The Asphyx (1972) The Invisible Man (1933) Willard (1971) Alien Abduction (2014) The Andromeda Strain (1971) The Meg (2018) Return of the Fly (1959)

Gallery

Still from the movie Phase IV Still from the movie Phase IV Still from the movie Phase IV Still from the movie Phase IV Still from the movie Phase IV

FAQs

Where can I watch it legally?
We only share legal viewing options. Check the “Where to watch” box above for your region and verify on official listings.
Is it available for free?
Free availability depends on region, promotions, or ad-supported services. Always verify on legal providers—availability changes frequently.

Main cast

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