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Science Fiction Movies & TV Shows Online Free

Stream the best Science Fiction movies and TV shows free on 123Movies in HD. Browse 26,947 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Ozone (1993)HD
Ozone (1993)
The Great Buddha Arrival (2018)HD
The Great Buddha Arrival (2018)
Dragon's Heaven (1988)HD
Dragon's Heaven (1988)
Target Earth (1954)HD
Target Earth (1954)
Creators: The Past (2020)HD
Creators: The Past (2020)
The Observers (2021)HD
The Observers (2021)
Kamen Rider Heisei Generations FINAL: Build & Ex-Aid with Legend Riders (2017)HD
Kamen Rider Heisei Generations FINAL: Build & Ex-Aid with Legend Riders (2017)
Monster from Green Hell (1957)HD
Monster from Green Hell (1957)
Cosmic Adventures (2018)HD
Cosmic Adventures (2018)
Strayer's Chronicle (2015)HD
Strayer's Chronicle (2015)
Trog (1970)HD
Trog (1970)
The Monster and the Girl (1941)HD
The Monster and the Girl (1941)
Kamen Rider Kabuto 20th: ​​The One Who Inherits the Heavens (2026)HD
Kamen Rider Kabuto 20th: ​​The One Who Inherits the Heavens (2026)
Hyper Space (1989)HD
Hyper Space (1989)
Omicron (1963)HD
Omicron (1963)
Ferat Vampire (1982)HD
Ferat Vampire (1982)
Monster's Battlefield (2021)HD
Monster's Battlefield (2021)
Dark Island (2010)HD
Dark Island (2010)
Active Volcano (2023)1080P
Active Volcano (2023)
Monkey Punch's Alice (1991)HD
Monkey Punch's Alice (1991)
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123Movies

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Trailers shown here are official content embedded from YouTube. Watch the full titles on the rights-holders' official streaming platforms.© 2026 123Movies. All rights reserved.
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