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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 26,962 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Forbidden Empire (2014)HD
Forbidden Empire (2014)
Seobok (2021)1080P
Seobok (2021)
Dead Space: Downfall (2008)HD
Dead Space: Downfall (2008)
IRY (2018)HD
IRY (2018)
The Wandering Earth IIIHD
The Wandering Earth III
Wellwood (2025)HD
Wellwood (2025)
Just Visiting (2001)HD
Just Visiting (2001)
Invaders from Mars (1986)HD
Invaders from Mars (1986)
Disaster Movie (2008)HD
Disaster Movie (2008)
Transformers: Dark of the Moon (2011)HD
Transformers: Dark of the Moon (2011)
Sentinel (2024)HD
Sentinel (2024)
Marvel One-Shot: The Consultant (2011)HD
Marvel One-Shot: The Consultant (2011)
Pokémon Ranger and the Temple of the Sea (2006)HD
Pokémon Ranger and the Temple of the Sea (2006)
Patlabor: The Movie (1989)HD
Patlabor: The Movie (1989)
Mixtape '73HD
Mixtape '73
Split Second (1992)HD
Split Second (1992)
Robot & Frank (2012)HD
Robot & Frank (2012)
The Black Hole (1979)HD
The Black Hole (1979)
Memoirs of an Invisible Man (1992)HD
Memoirs of an Invisible Man (1992)
Elizabeth Harvest (2018)HD
Elizabeth Harvest (2018)
1…686970…500›
123Movies

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