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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 26,833 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

The Girl Inside The Photograph (2026)HD
The Girl Inside The Photograph (2026)
Kamen Rider Saber: Trio of Deep Sin (2022)HD
Kamen Rider Saber: Trio of Deep Sin (2022)
Mondocane (2021)HD
Mondocane (2021)
Alien in the Heartland (2026)1080P
Alien in the Heartland (2026)
The Promise (2011)HD
The Promise (2011)
Zygon: When Being You Just Isn't Enough (2008)HD
Zygon: When Being You Just Isn't Enough (2008)
Forever Young (2024)HD
Forever Young (2024)
Tokyo Blackout (1987)HD
Tokyo Blackout (1987)
Hellboy Animated: Iron Shoes (2007)HD
Hellboy Animated: Iron Shoes (2007)
Tears of Kali (2004)HD
Tears of Kali (2004)
Sands of Purgatory (2025)HD
Sands of Purgatory (2025)
Great Mazinger vs. Getter Robo G: The Great Space Encounter (1975)1080P
Great Mazinger vs. Getter Robo G: The Great Space Encounter (1975)
Hyper Space (1989)HD
Hyper Space (1989)
Survival Zone (1983)HD
Survival Zone (1983)
How to Make a Monster (2001)HD
How to Make a Monster (2001)
Human Resource (2026)HD
Human Resource (2026)
Day of the Animals (1977)HD
Day of the Animals (1977)
Adventures of the Naked Umbrella (2023)HD
Adventures of the Naked Umbrella (2023)
Weird Science 2: Strange Chemistry (2013)HD
Weird Science 2: Strange Chemistry (2013)
Making Mr. Right (1987)HD
Making Mr. Right (1987)
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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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