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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.

Alientologists (2017)HD
Alientologists (2017)
Final Yamato (1983)HD
Final Yamato (1983)
Hibernation (2013)HD
Hibernation (2013)
Hanuman and the Eleven Ultramen (1984)HD
Hanuman and the Eleven Ultramen (1984)
Alam: Kingdom of Plants (2022)HD
Alam: Kingdom of Plants (2022)
Happily (2021)HD
Happily (2021)
Mirrored (2019)HD
Mirrored (2019)
William Shakespeare's The Tempest (2025)HD
William Shakespeare's The Tempest (2025)
The Fourth Wall (2019)HD
The Fourth Wall (2019)
Kamen Rider: THE FIRST (2005)HD
Kamen Rider: THE FIRST (2005)
Teenage Monster (1958)HD
Teenage Monster (1958)
The Curse (1987)HD
The Curse (1987)
Censor (2017)HD
Censor (2017)
Kamen Rider Revice the Movie Spin-Off: Birth of Chimera (2022)HD
Kamen Rider Revice the Movie Spin-Off: Birth of Chimera (2022)
Antö (2017)HD
Antö (2017)
The Unseen (2017)HD
The Unseen (2017)
After the Pandemic (2022)HD
After the Pandemic (2022)
The Swap (2020)HD
The Swap (2020)
My Twentieth Century (1989)HD
My Twentieth Century (1989)
Gor (1987)HD
Gor (1987)
1…292293294…500›
123Movies

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