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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 26,761 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Genocyber (1994)HD
Genocyber (1994)
God's Puzzle (2008)HD
God's Puzzle (2008)
The Mitchells vs. the MitchellsHD
The Mitchells vs. the Mitchells
The Hunt (2011)HD
The Hunt (2011)
CINEXIN (2024)HD
CINEXIN (2024)
The Legend of the Galactic Heroes: Die Neue These Collision 1 (2022)1080P
The Legend of the Galactic Heroes: Die Neue These Collision 1 (2022)
Afuera del tiempo (2019)HD
Afuera del tiempo (2019)
Power Rangers Green With Evil (1993)1080P
Power Rangers Green With Evil (1993)
Annie Brocoli dans l'espace (2001)HD
Annie Brocoli dans l'espace (2001)
Future Boys (2023)HD
Future Boys (2023)
Undergods (2021)HD
Undergods (2021)
Child of Arrakis (2024)HD
Child of Arrakis (2024)
King Kong is Coming Back (2024)HD
King Kong is Coming Back (2024)
Perfect-Lover.com (2019)HD
Perfect-Lover.com (2019)
Sideral Cruises (1942)1080P
Sideral Cruises (1942)
Red Dwarf: The Promised Land (2020)HD
Red Dwarf: The Promised Land (2020)
Sexorcist (1996)HD
Sexorcist (1996)
Squid Man (2012)1080P
Squid Man (2012)
Crise d'Empathie (2015)HD
Crise d'Empathie (2015)
1974: The Possession of Altair (2017)HD
1974: The Possession of Altair (2017)
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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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