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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 26,837 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

The Deal (2022)HD
The Deal (2022)
Stasis (2017)HD
Stasis (2017)
It Came from Outer Space (1953)HD
It Came from Outer Space (1953)
The Making of 'The Lost World' (1997)HD
The Making of 'The Lost World' (1997)
Recollectors (2025)HD
Recollectors (2025)
Galaxy Express 999: The Movie (1979)HD
Galaxy Express 999: The Movie (1979)
Infección Zombie (2016)HD
Infección Zombie (2016)
Point B (2015)HD
Point B (2015)
Alarm in Morocco (1953)HD
Alarm in Morocco (1953)
The Nuclear FamilyHD
The Nuclear Family
Non-Places: Beyond the Infinite (2016)HD
Non-Places: Beyond the Infinite (2016)
O Holocausto Nuclear Não Será Televisionado (2026)HD
O Holocausto Nuclear Não Será Televisionado (2026)
Roar (2015)HD
Roar (2015)
To Be (2023)HD
To Be (2023)
Tidal Wave: No Escape (1997)HD
Tidal Wave: No Escape (1997)
28 Years Later: Part IIIHD
28 Years Later: Part III
Binary Samurai (2023)HD
Binary Samurai (2023)
Canadian, Sniper (2023)HD
Canadian, Sniper (2023)
The Friend (1965)HD
The Friend (1965)
Blood Boy (2014)HD
Blood Boy (2014)
1…255256257…500›
123Movies

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