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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 26,764 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Superman III (1983)HD
Superman III (1983)
CAPTAIN NEMO ... Captain Nemo and the Mysterious Island (2017)1080P
CAPTAIN NEMO ... Captain Nemo and the Mysterious Island (2017)
The Chronicles of Riddick (2004)HD
The Chronicles of Riddick (2004)
Awareness (2023)HD
Awareness (2023)
Aliens in the Attic (2009)HD
Aliens in the Attic (2009)
Frankenstein Unbound (1990)HD
Frankenstein Unbound (1990)
Outsiders (2026)HD
Outsiders (2026)
Somsri #422 R. (1992)1080P
Somsri #422 R. (1992)
Personhood (2025)HD
Personhood (2025)
The Transformers: The Movie (1986)1080P
The Transformers: The Movie (1986)
Space Sweepers (2021)1080P
Space Sweepers (2021)
Push (2009)HD
Push (2009)
Reign of the Supermen (2019)1080P
Reign of the Supermen (2019)
Doraemon the Movie: Nobita's Earth Symphony (2024)HD
Doraemon the Movie: Nobita's Earth Symphony (2024)
The Fog (2010)HD
The Fog (2010)
The Manitou (1978)HD
The Manitou (1978)
Steins;Gate: The Movie - Load Region of Déjà Vu (2013)1080P
Steins;Gate: The Movie - Load Region of Déjà Vu (2013)
Time Bandits (1981)HD
Time Bandits (1981)
The Adventures of Buckaroo Banzai Across the 8th Dimension (1984)HD
The Adventures of Buckaroo Banzai Across the 8th Dimension (1984)
SOMA: Transmissions (2015)HD
SOMA: Transmissions (2015)
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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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