How long is Phase IV?

Phase IV is 1 h 26 min long (86 minutes). If you start it at 8:00 pm it ends at 9:26 pm; add about 20 minutes if you watch trailers first.

What is Phase IV rated?

Phase IV is rated PG in the US.

Where can I stream Phase IV?

In the US, as of 2026-11-08: Kanopy (free). Availability changes often; this page loads the live list for your country (streaming availability by JustWatch).

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Lights Down › Tonight's lists › Horror movies under 90 minutes › Phase IV

Where to watch Phase IV (1974) tonight

Phase IV (1974) runs 1 h 26 min, is rated PG in the US and averages 6.3 from 315 TMDB members. Arizona ants mock the food chain on their way to a desert lab to get two scientists and a woman.

Runtime: 1 h 26 min — ends 9:26 pm if you start at 8:00 pm
Rated: PG (US)
Genres: Horror, Science Fiction
Released: September 13, 1974
TMDB rating: 6.3 / 10 from 315 votes
Director: Saul Bass
Starring: Nigel Davenport, Michael Murphy, Lynne Frederick, Alan Gifford
Language: English

Good for a group? Yes — a crowd movie.Horror and Science Fiction hold a room: people can talk, laugh or scream over it and still follow what is going on.

Where to watch it tonight

Availability loads live for your country. See where Phase IV streams (JustWatch via TMDB) →

Streaming availability by JustWatch. In the US, as of 2026-11-08: Kanopy (free).

Questions people ask

How long is Phase IV?: Phase IV is 1 h 26 min long (86 minutes). If you start it at 8:00 pm it ends at 9:26 pm; add about 20 minutes if you watch trailers first.
What is Phase IV rated?: Phase IV is rated PG in the US.
Is Phase IV a good movie to watch with a group?: Yes — a crowd movie. Horror and Science Fiction hold a room: people can talk, laugh or scream over it and still follow what is going on.
Where can I stream Phase IV?: In the US, as of 2026-11-08: Kanopy (free). Availability changes often; this page loads the live list for your country (streaming availability by JustWatch).

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If you like Phase IV

Phase IV on TMDB · This product uses the TMDB API but is not endorsed or certified by TMDB.

Lights Down is a free tool: tell it your streaming services and how long you have, and it ranks what you can stream tonight, with a this-or-that, a roll, a bracket and a wheel. Movie data from TMDB; streaming availability by JustWatch. Page updated 2026-11-08. This product uses the TMDB API but is not endorsed or certified by TMDB. Lights Down is a Somebody Decide program. How the data works · Legal & privacy · Tonight's lists