Primer poster

Primer (2004)

Film · 1h 17m · Rated PG-13

Drama, Sci-Fi, Thriller

Ambitious inventors manipulate reality for profit, but the gritty consequences of their discovery unravel slowly.

Cerebral and suspenseful. A late-night trip that takes its time. Emotionally it is heavy.

Not on a US subscription service as of Oct 28, 2026.

Primer parents guide

It stays inside its PG-13, with no sex or nudity and mild language.

Rated PG-13, but by what is on screen our estimate is fine from about 7.

Scare
Not scary
Jump scares
None noted
Gore
No gore
Violence
Some violence
Some fighting or peril.
Sex and nudity
None noted
Language
Mild
Mild words like damn, hell or crap.

How we rate: an AI reads what is known about each title and tags it 0 to 3; we check the tags against a hand-rated set and correct them by hand when readers tell us. Estimates, not a scene-by-scene review. Spot a mistake? Tell us.

Three questions

Is Primer scary?
No. Primer is not a scary watch.
How gory is Primer?
No gore and some violence. Squeamish viewers are fine here.
What is Primer rated, and is it OK for kids?
Rated PG-13, and mild for one: no sex or nudity and mild language.

What is Primer about?

A group of fledgling inventors discover a complex method to manipulate reality. At first, they successfully game the stock market with it, but the consequences of the invention start to catch up with them.

Does it have a happy ending? (spoiler-safe)

It leaves the ending open to interpretation.

Cast and crew

Directed byShane Carruth
StarringShane Carruth, David Sullivan, Casey Gooden, Anand Upadhyaya, Carrie Crawford, Jay Butler

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Primer is on our Time travel list.

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Lists with the same feel: Slow burns and Late night.

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Uses the TMDB API; not endorsed or certified by TMDB. Intensity, content, tone and pace tags are CouchRot's own.