MyCinema has not rated Demon Seed for scares yet. TMDB lists it as a horror and science fiction film. It is rated R in the United States.

Where can I watch Demon Seed in the US?

Demon Seed streams on fuboTV and Chilling, is free on Fawesome, The Roku Channel, Plex, and 3 more, and can be rented from Amazon Video and Apple TV Store in the US. Listings come from JustWatch and can change, so check the service before paying.

How long is Demon Seed?

Demon Seed runs 1 hour 34 minutes (94 minutes).

Is Demon Seed suitable for kids?

Demon Seed is rated R in the United States, which means viewers under 17 need an adult with them. No, it is not suitable for children.

TMDB19771h 34mHorror / Science Fiction

Demon Seed

Name: Demon Seed
Genre: Horror, Science Fiction
Released: 1977-04-07
Duration: 94 min

Julie Christie carries the "Demon Seed." Fear for her.

A scientist creates Proteus, an organic supercomputer with artificial intelligence which becomes obsessed with human beings, and in particular the creator's wife.

TMDB audience score

Based on 284 votes

Saved only on this device unless you sign in.

Availability in the US

Where the story is waiting

Provider listings are supplied by JustWatch through TMDB. Verify pricing and availability before renting or subscribing.

Show availability for

fuboTVsubscription Chillingsubscription Fawesomefree The Roku Channelads Plexads Plex Channelads Mometuads Tubi TVads Amazon Videorent Apple TV Storerent Amazon Videobuy Apple TV Storebuy

United States listings · Refreshed 13 Oct 2026. More horror to watch in the US

MyCinema quick facts

Demon Seed at a glance

Worked out from the film's TMDB record and its United States provider listings. These are facts about the data, not a review.

Runtime

Standard length · 1h 34m

At 1h 34m it sits between 90 minutes and two hours.

Genres

Horror · Science Fiction

TMDB files it under horror and science fiction.

US availability

2 subscriptions · 6 free · 2 to rent · 2 to buy

Included with 2 subscription services: fuboTV and Chilling. Free or ad-supported on Fawesome, The Roku Channel, Plex, and 3 more. Listed to rent from 2 stores. Listed to buy from 2 stores.

TMDB audience score

5.9 / 10 on TMDB

TMDB users rate it 5.9 out of 10 across 284 votes, a mixed audience score. That is a moderate sample of voters.

Why watch Demon Seed tonight

It is a regular evening's length at 1h 34m.
It is included with fuboTV and Chilling in the US, so there is no rental fee if you already subscribe.
There is a trailer on this page if you want a look first.

How scary is Demon Seed?

The scare meter is MyCinema's own rating, given by a person who has watched the film. It is not a TMDB score.

Not rated yet, vote below.

Did Demon Seed scare you?

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Questions about Demon Seed

Is Demon Seed scary?: MyCinema has not rated Demon Seed for scares yet. TMDB lists it as a horror and science fiction film. It is rated R in the United States.
Where can I watch Demon Seed in the US?: Demon Seed streams on fuboTV and Chilling, is free on Fawesome, The Roku Channel, Plex, and 3 more, and can be rented from Amazon Video and Apple TV Store in the US. Listings come from JustWatch and can change, so check the service before paying.
How long is Demon Seed?: Demon Seed runs 1 hour 34 minutes (94 minutes).
Is Demon Seed suitable for kids?: Demon Seed is rated R in the United States, which means viewers under 17 need an adult with them. No, it is not suitable for children.