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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 26,948 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

The Disobedient Robot (1956)HD
The Disobedient Robot (1956)
The Monster That Challenged the World (1957)HD
The Monster That Challenged the World (1957)
The Monolith Monsters (1957)HD
The Monolith Monsters (1957)
Backkom Bear 3: Mars Mission (2023)HD
Backkom Bear 3: Mars Mission (2023)
Precipice (2018)HD
Precipice (2018)
J Loop (2024)HD
J Loop (2024)
Earthstorm (2006)HD
Earthstorm (2006)
The Device (2014)HD
The Device (2014)
Almost Home (2022)1080P
Almost Home (2022)
Mobile Suit Gundam 00 Special Edition I: Celestial Being (2009)HD
Mobile Suit Gundam 00 Special Edition I: Celestial Being (2009)
UniversityHD
University
4D Man (1959)HD
4D Man (1959)
Project A-Ko Versus Battle 2: Blue Side (1990)HD
Project A-Ko Versus Battle 2: Blue Side (1990)
Watchers III (1994)HD
Watchers III (1994)
Twice-Told Tales (1963)HD
Twice-Told Tales (1963)
Camel Spiders (2011)HD
Camel Spiders (2011)
Strange Orbits (2026)HD
Strange Orbits (2026)
Something in the Dirt (2022)HD
Something in the Dirt (2022)
Hope (2017)1080P
Hope (2017)
Zero (2019)1080P
Zero (2019)
1…242243244…500›
123Movies

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