- HD 1080
- Runtime: 94m.
- Status: Released
- 2
- Languages: en
- Country: United States of America
- Director: Donald Cammell
- Stars: Julie Christie, Fritz Weaver, Gerrit Graham, Berry Kroeger, Lisa Lu
- keywords: man vs machine, rape, artificial intelligence (a.i.), computer, technology, held captive, computer scientist, confinement, automated house, ai rebellion, forced impregnation, impregnation of woman by entity
- Production_studio: Metro-Goldwyn-Mayer
- Slogan: Julie Christie carries the "Demon Seed." Fear for her.
- providers: fuboTV
- The Demon Seed is featured in the top rankings of 1977
- #23 in Top Horror Movies of 1977
A scientist creates Proteus, an organic supercomputer with artificial intelligence which becomes obsessed with human beings, and in particular the creator's wife.