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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 26,729 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Airboss II: Preemptive Strike (1998)HD
Airboss II: Preemptive Strike (1998)
Alien in Love (2024)HD
Alien in Love (2024)
Indestructible (2009)HD
Indestructible (2009)
Hold Back the StarsHD
Hold Back the Stars
Outpost: Rise of the Spetsnaz (2013)HD
Outpost: Rise of the Spetsnaz (2013)
Conqueror of the Moon (1960)HD
Conqueror of the Moon (1960)
Next Exit (2022)HD
Next Exit (2022)
The Voice You See (2019)HD
The Voice You See (2019)
Tethers (2016)HD
Tethers (2016)
Star Wars Rebels: Heroes of Mandalore (2017)HD
Star Wars Rebels: Heroes of Mandalore (2017)
Offspring (2025)HD
Offspring (2025)
Vague Void (2026)1080P
Vague Void (2026)
Our Hero, Cadet (2025)1080P
Our Hero, Cadet (2025)
The scent of a forest (2021)HD
The scent of a forest (2021)
Computer Boy (2000)1080P
Computer Boy (2000)
Sol Bianca 2 (1991)HD
Sol Bianca 2 (1991)
Science Friction (2012)HD
Science Friction (2012)
Shyness Machine Girl (2009)HD
Shyness Machine Girl (2009)
B-52 (2020)HD
B-52 (2020)
Cosmic Adventures (2018)HD
Cosmic Adventures (2018)
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123Movies

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