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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 26,790 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Universal Soldier II: Brothers in Arms (1998)HD
Universal Soldier II: Brothers in Arms (1998)
Gridman Universe (2023)1080P
Gridman Universe (2023)
Mama (1988)1080P
Mama (1988)
Eolomea (1972)HD
Eolomea (1972)
Star Appeal (2008)HD
Star Appeal (2008)
Macross Plus: The Movie (1995)1080P
Macross Plus: The Movie (1995)
Generation Mars (2016)1080P
Generation Mars (2016)
Slaughterhouse-Five (1972)HD
Slaughterhouse-Five (1972)
Estranhas Luzes (2024)1080P
Estranhas Luzes (2024)
Final ContactHD
Final Contact
Alien: Containment (2019)HD
Alien: Containment (2019)
Tokusou Robo Janperson the Movie: Mother is Eternal! The Electric Brain’s Love and Passion on the Operating Table (1993)1080P
Tokusou Robo Janperson the Movie: Mother is Eternal! The Electric Brain’s Love and Passion on the Operating Table (1993)
Second Life (2009)HD
Second Life (2009)
Animalia (2023)HD
Animalia (2023)
The Recall (2017)HD
The Recall (2017)
20 Million Miles to Earth (1957)HD
20 Million Miles to Earth (1957)
Guest from the Future (2024)1080P
Guest from the Future (2024)
The Garbage Pail Kids Movie (1987)HD
The Garbage Pail Kids Movie (1987)
Sexy Timetrip Ninjas (1984)HD
Sexy Timetrip Ninjas (1984)
AfterHD
After
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123Movies

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