Primer

1h 17m · 2004 · Directed by Shane Carruth · 3.6 / 5 on Letterboxd

Primer (2004) runs 1h 17m, directed by Shane Carruth. It is one of 3,647 films in the 100 Minute Movies catalog — every one rated 3.0 or higher by Letterboxd members and short enough to finish in an evening.

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.

Genres: Science Fiction, Drama, Thriller

No US streaming listed when we last checked (9 July 2026). Availability changes often.