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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 26,948 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Alien Code (2017)HD
Alien Code (2017)
Beta Test (2016)HD
Beta Test (2016)
Pulse (2017)HD
Pulse (2017)
THE MACHINE (2024)HD
THE MACHINE (2024)
Fire from Below (2009)HD
Fire from Below (2009)
Mondocane (2021)HD
Mondocane (2021)
Mercy Land (2022)HD
Mercy Land (2022)
Superdimensional Romanesque Samy: Missing 99 (1986)1080P
Superdimensional Romanesque Samy: Missing 99 (1986)
Future Boy Conan (1979)1080P
Future Boy Conan (1979)
Nova Seed (2016)1080P
Nova Seed (2016)
ADXM (2022)HD
ADXM (2022)
A Million Days (2023)HD
A Million Days (2023)
Other (2021)HD
Other (2021)
Demon of Steel: Battle of the Great Demon Beasts (1987)HD
Demon of Steel: Battle of the Great Demon Beasts (1987)
Gundam Reconguista in G Movie II: Bellri's Fierce Charge (2020)HD
Gundam Reconguista in G Movie II: Bellri's Fierce Charge (2020)
Alienween (2016)HD
Alienween (2016)
Wavelength (1983)HD
Wavelength (1983)
Time Stamp (2022)HD
Time Stamp (2022)
Level Seven (1966)1080P
Level Seven (1966)
Mondegreen (2025)HD
Mondegreen (2025)
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123Movies

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