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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 26,874 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Jack's Apocalypse (2015)HD
Jack's Apocalypse (2015)
Holocaust 2000 (1977)HD
Holocaust 2000 (1977)
The Key (2023)HD
The Key (2023)
Los visitados (2020)HD
Los visitados (2020)
The 6 Ultra Brothers vs. The Monster Army (1979)HD
The 6 Ultra Brothers vs. The Monster Army (1979)
A Trip to Mars (1918)HD
A Trip to Mars (1918)
My Father and the Beach (2024)HD
My Father and the Beach (2024)
Mama (1988)1080P
Mama (1988)
AVH: Alien vs. Hunter (2007)HD
AVH: Alien vs. Hunter (2007)
Gila! (2012)HD
Gila! (2012)
(Dis)connected (2023)HD
(Dis)connected (2023)
Mutant (2024)HD
Mutant (2024)
Alien Warfare (2019)HD
Alien Warfare (2019)
Adulruna Rediviva (2013)1080P
Adulruna Rediviva (2013)
Quando Foi Que Acordei? (2024)HD
Quando Foi Que Acordei? (2024)
Singular (2014)HD
Singular (2014)
Loop (2019)HD
Loop (2019)
The Second Arrival (1998)HD
The Second Arrival (1998)
GLITCH (2024)HD
GLITCH (2024)
Last Sunrise (2019)HD
Last Sunrise (2019)
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123Movies

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