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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 26,924 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Approaching the Unknown (2016)HD
Approaching the Unknown (2016)
Macross Delta: Passionate Walküre (2018)HD
Macross Delta: Passionate Walküre (2018)
Galatea (2023)HD
Galatea (2023)
One More Shot (2022)HD
One More Shot (2022)
Almost Home (2022)1080P
Almost Home (2022)
Under the Dog (2016)HD
Under the Dog (2016)
Ripple Effect (2021)HD
Ripple Effect (2021)
The PsyBorgs (2019)1080P
The PsyBorgs (2019)
Doctor Who: The Husbands of River Song (2015)1080P
Doctor Who: The Husbands of River Song (2015)
Universal Soldier III: Unfinished Business (1998)HD
Universal Soldier III: Unfinished Business (1998)
The Last Alternative (1978)HD
The Last Alternative (1978)
Black Holes: The Edge of All We Know (2020)HD
Black Holes: The Edge of All We Know (2020)
Something, Somewhere (2024)HD
Something, Somewhere (2024)
From the Depths: The Story of the USS Kerenza (2023)HD
From the Depths: The Story of the USS Kerenza (2023)
Mémoire morte (2002)HD
Mémoire morte (2002)
Codename: Kids Next Door: Operation Z.E.R.O. (2006)1080P
Codename: Kids Next Door: Operation Z.E.R.O. (2006)
Eiga Kamen Raidā Zettsu Sayonara no Misshon (2026)HD
Eiga Kamen Raidā Zettsu Sayonara no Misshon (2026)
Replicator (2024)HD
Replicator (2024)
Ohsama Sentai King-Ohger vs. Kyoryuger (2024)1080P
Ohsama Sentai King-Ohger vs. Kyoryuger (2024)
Remedy (2026)HD
Remedy (2026)
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123Movies

123Movies — watch movies online for free and discover the latest movies and TV series without registration.

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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