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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 26,962 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Space Chimps (2008)HD
Space Chimps (2008)
The Signal (2014)HD
The Signal (2014)
Ewoks: The Battle for Endor (1985)HD
Ewoks: The Battle for Endor (1985)
Lost in Starlight (2025)1080P
Lost in Starlight (2025)
Emmanuelle in Space 5: A Time to Dream (1994)HD
Emmanuelle in Space 5: A Time to Dream (1994)
How I Live Now (2013)HD
How I Live Now (2013)
Dreamscape (1984)HD
Dreamscape (1984)
Mazinger Z: Infinity (2017)HD
Mazinger Z: Infinity (2017)
Dark Star (1974)HD
Dark Star (1974)
Ultimate Avengers: The Movie (2006)HD
Ultimate Avengers: The Movie (2006)
Synchronic (2020)HD
Synchronic (2020)
Doraemon: Nobita and the Island of Miracles – Animal Adventure (2012)HD
Doraemon: Nobita and the Island of Miracles – Animal Adventure (2012)
Pulse (2006)HD
Pulse (2006)
Universal Soldier: Day of Reckoning (2012)HD
Universal Soldier: Day of Reckoning (2012)
A Vulgar AdventureHD
A Vulgar Adventure
Alienoid: Return to the Future (2024)HD
Alienoid: Return to the Future (2024)
Black Mirror: Bandersnatch (2018)HD
Black Mirror: Bandersnatch (2018)
Doraemon: Nobita and the Birth of Japan (2016)HD
Doraemon: Nobita and the Birth of Japan (2016)
Doraemon: New Nobita's Great Demon - Peko and the Exploration Party of Five (2014)HD
Doraemon: New Nobita's Great Demon - Peko and the Exploration Party of Five (2014)
DEBUGGING (2025)HD
DEBUGGING (2025)
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123Movies

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Disclaimer: This site does not store any files on its server. All contents are provided by non-affiliated third parties.

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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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