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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 26,965 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Ultraman Super Fighter Legend (1996)HD
Ultraman Super Fighter Legend (1996)
Augmented Reality (2023)HD
Augmented Reality (2023)
ResoNumero0051 (2023)HD
ResoNumero0051 (2023)
Giant Woman vs. Big Octopus (2011)HD
Giant Woman vs. Big Octopus (2011)
TimeFighters (1984)HD
TimeFighters (1984)
Xtro (1982)HD
Xtro (1982)
Waves, Away (2023)HD
Waves, Away (2023)
Age of Tomorrow (2014)HD
Age of Tomorrow (2014)
The Blue Jean Monster (1991)HD
The Blue Jean Monster (1991)
Object PermanenceHD
Object Permanence
Tentacles (1977)HD
Tentacles (1977)
Outono Celeste (2015)HD
Outono Celeste (2015)
Enter Nowhere (2015)HD
Enter Nowhere (2015)
Miracle Beach (1992)HD
Miracle Beach (1992)
Red Delicious (1991)HD
Red Delicious (1991)
Ice Soldiers (2013)HD
Ice Soldiers (2013)
Shadow of a Ghost (1981)HD
Shadow of a Ghost (1981)
Mechamato Movie (2022)HD
Mechamato Movie (2022)
Tokusou Sentai Dekaranger VS Abaranger (2005)HD
Tokusou Sentai Dekaranger VS Abaranger (2005)
Attack of the Unknown (2020)HD
Attack of the Unknown (2020)
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123Movies

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