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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 26,840 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

When Worlds Collide (1951)HD
When Worlds Collide (1951)
Future World (2018)HD
Future World (2018)
Patema Inverted (2013)1080P
Patema Inverted (2013)
Hotel Fantasma (2025)HD
Hotel Fantasma (2025)
Abdulladzhan, or Dedicated to Steven Spielberg (1992)HD
Abdulladzhan, or Dedicated to Steven Spielberg (1992)
In Vitro (2025)HD
In Vitro (2025)
Crayon Shin-chan: Invasion!! Alien Shiriri (2017)1080P
Crayon Shin-chan: Invasion!! Alien Shiriri (2017)
Levures sauvages (2025)HD
Levures sauvages (2025)
Galaxy of Terror (1981)HD
Galaxy of Terror (1981)
The Girl from Starship Venus (1975)HD
The Girl from Starship Venus (1975)
Space Mechanic (2019)HD
Space Mechanic (2019)
Black Box (2020)HD
Black Box (2020)
Ghost in the Shell: SAC_2045 Sustainable War (2021)HD
Ghost in the Shell: SAC_2045 Sustainable War (2021)
Hope & Glory (2024)HD
Hope & Glory (2024)
All Star Superman (2011)HD
All Star Superman (2011)
Death Kappa (2010)HD
Death Kappa (2010)
The CradleHD
The Cradle
Book of Flock (2015)HD
Book of Flock (2015)
Incognito (2022)HD
Incognito (2022)
Frankenstein Meets the Wolf Man (1943)HD
Frankenstein Meets the Wolf Man (1943)
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123Movies

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