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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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Science Fiction Movies & TV Shows Online Free

Stream the best Science Fiction movies and TV shows free on 123Movies in HD. Browse 26,961 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Appleseed Alpha (2014)HD
Appleseed Alpha (2014)
Kaw (2007)HD
Kaw (2007)
The Ultimate Warrior (1975)HD
The Ultimate Warrior (1975)
Divina (2021)HD
Divina (2021)
Decoys 2: Alien Seduction (2007)HD
Decoys 2: Alien Seduction (2007)
Mercy Land (2022)HD
Mercy Land (2022)
Landscape with Invisible Hand (2023)HD
Landscape with Invisible Hand (2023)
Assimilate (2019)HD
Assimilate (2019)
Gayniggers from Outer Space (1993)HD
Gayniggers from Outer Space (1993)
Phantasm II (1988)HD
Phantasm II (1988)
Speed Train (2025)HD
Speed Train (2025)
Rocket Roaches (2019)HD
Rocket Roaches (2019)
Zombie Apocalypse (2011)HD
Zombie Apocalypse (2011)
Dragon Ball Z Side Story: Plan to Eradicate the Saiyans (1993)HD
Dragon Ball Z Side Story: Plan to Eradicate the Saiyans (1993)
Eternal Light (2023)HD
Eternal Light (2023)
[LOOM] (2025)HD
[LOOM] (2025)
Stella Anyways (2025)1080P
Stella Anyways (2025)
Watch the Skies (2025)HD
Watch the Skies (2025)
Cora (2024)HD
Cora (2024)
Mega Scorpions (2003)HD
Mega Scorpions (2003)
1…145146147…500›
123Movies

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