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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 26,887 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Spaces (2019)HD
Spaces (2019)
Descent (2005)HD
Descent (2005)
Marvel Rising: Operation Shuri (2019)HD
Marvel Rising: Operation Shuri (2019)
Alien: Night Shift (2019)HD
Alien: Night Shift (2019)
Aachi & Ssipak (2006)HD
Aachi & Ssipak (2006)
Clocked (2023)HD
Clocked (2023)
The Flying Saucers (1956)HD
The Flying Saucers (1956)
Aporia (2023)HD
Aporia (2023)
LEGO Star Wars: The Empire Strikes Out (2012)HD
LEGO Star Wars: The Empire Strikes Out (2012)
Appleseed: Ex Machina (2007)HD
Appleseed: Ex Machina (2007)
Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is Newtral (2010)HD
Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is Newtral (2010)
Zero KHD
Zero K
The Box (2024)HD
The Box (2024)
Gargantuan (2026)HD
Gargantuan (2026)
THE CHAMELEON WHO FORGOT ITS COLOR (2026)HD
THE CHAMELEON WHO FORGOT ITS COLOR (2026)
Unknown Energies, Unidentified Emotions (2015)HD
Unknown Energies, Unidentified Emotions (2015)
Ízaro (2024)HD
Ízaro (2024)
The Passing (1985)HD
The Passing (1985)
Bad Peter (2018)HD
Bad Peter (2018)
Shin Kamen Rider: Prologue (1992)HD
Shin Kamen Rider: Prologue (1992)
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123Movies

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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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