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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.

Embryo (1976)HD
Embryo (1976)
Astrobonde (2025)HD
Astrobonde (2025)
The Mysterious Island (1929)HD
The Mysterious Island (1929)
Trancers 5: Sudden Deth (1994)HD
Trancers 5: Sudden Deth (1994)
The Crawling Eye (1958)HD
The Crawling Eye (1958)
William (2019)HD
William (2019)
TAQUIÓNHD
TAQUIÓN
Sea Lovers (2020)HD
Sea Lovers (2020)
Promare / Side: Lio (2019)HD
Promare / Side: Lio (2019)
The Leguminous Monster from Outer Space (1995)HD
The Leguminous Monster from Outer Space (1995)
Night of the Zombies (1980)HD
Night of the Zombies (1980)
Move 65HD
Move 65
Fluke (2014)HD
Fluke (2014)
Miltown (2022)HD
Miltown (2022)
The Land That Time Forgot (2025)HD
The Land That Time Forgot (2025)
Blackout (2021)HD
Blackout (2021)
The Flying Saucer (1964)HD
The Flying Saucer (1964)
FLIGHTPATHSHD
FLIGHTPATHS
Invasion, three months after. (2018)HD
Invasion, three months after. (2018)
Primal Rage (1988)HD
Primal Rage (1988)
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123Movies

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