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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 26,779 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Volition (2019)HD
Volition (2019)
Samurai Princess (2009)HD
Samurai Princess (2009)
L'Incubo di Moonfish Island (2025)HD
L'Incubo di Moonfish Island (2025)
Star Odyssey (1979)HD
Star Odyssey (1979)
Cool Gel Attacks (2010)HD
Cool Gel Attacks (2010)
Teens in the Universe (1975)HD
Teens in the Universe (1975)
The Man They Could Not Hang (1939)HD
The Man They Could Not Hang (1939)
Space Brothers: Number Zero (2014)1080P
Space Brothers: Number Zero (2014)
The Ape (1940)HD
The Ape (1940)
Lost PlanetHD
Lost Planet
The Psychotronic Man (1980)HD
The Psychotronic Man (1980)
SyntaxHD
Syntax
She Loved Blossoms More (2025)HD
She Loved Blossoms More (2025)
Calypso Boron (2020)HD
Calypso Boron (2020)
Ji (2019)HD
Ji (2019)
Alien in the Heartland (2026)1080P
Alien in the Heartland (2026)
MutantLand (2010)HD
MutantLand (2010)
The Man Behind the MachineHD
The Man Behind the Machine
Death Trance (2005)HD
Death Trance (2005)
11 Letters Inside (1996)HD
11 Letters Inside (1996)
1…479480481…500›
123Movies

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Disclaimer: This site does not store any files on its server. All contents are provided by non-affiliated third parties.

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