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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 26,833 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Alien vs. Ninja (2010)HD
Alien vs. Ninja (2010)
Code Kampen (2021)HD
Code Kampen (2021)
Humanoids from the Deep (1996)HD
Humanoids from the Deep (1996)
8 Minutes (2017)1080P
8 Minutes (2017)
Battle in Outer Space (1959)HD
Battle in Outer Space (1959)
Future X-Cops (2010)HD
Future X-Cops (2010)
The Formula (2019)HD
The Formula (2019)
Doctor Who: Planet of the Dead (2009)1080P
Doctor Who: Planet of the Dead (2009)
Hideous Creatures (1993)HD
Hideous Creatures (1993)
The House on the Moon (2026)HD
The House on the Moon (2026)
Welcome to the Machines (2026)HD
Welcome to the Machines (2026)
The Last Man (2018)HD
The Last Man (2018)
Kamen Rider Saber × Ghost (2021)1080P
Kamen Rider Saber × Ghost (2021)
UniversityHD
University
Captain America II: Death Too Soon (1979)HD
Captain America II: Death Too Soon (1979)
I, Monster (1971)HD
I, Monster (1971)
Be Still My Beating Heart (2019)HD
Be Still My Beating Heart (2019)
Moon (2023)1080P
Moon (2023)
Gen¹³ (1998)HD
Gen¹³ (1998)
Born to Die (2018)HD
Born to Die (2018)
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123Movies

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