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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 26,747 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Volition (2019)HD
Volition (2019)
Under The Big TopHD
Under The Big Top
Legend of the Galactic Heroes: Golden Wings (1992)1080P
Legend of the Galactic Heroes: Golden Wings (1992)
The Deadly Mantis (1957)HD
The Deadly Mantis (1957)
Our Neighbor Bu Hamad (2017)HD
Our Neighbor Bu Hamad (2017)
Galaxina (1980)HD
Galaxina (1980)
Retrospect (2024)1080P
Retrospect (2024)
Demon Sex (2005)HD
Demon Sex (2005)
Wasteland (2021)HD
Wasteland (2021)
The Silent Planet (2024)HD
The Silent Planet (2024)
DC Showcase: Adam Strange (2020)HD
DC Showcase: Adam Strange (2020)
The Andinist (2020)HD
The Andinist (2020)
Executive Order (2022)HD
Executive Order (2022)
Advent (1981)1080P
Advent (1981)
J.O.E. and the Colonel (1985)HD
J.O.E. and the Colonel (1985)
Meteors (2017)HD
Meteors (2017)
Maximum Velocity (2003)HD
Maximum Velocity (2003)
Progeny (2024)HD
Progeny (2024)
I just want to hear her voice (2025)HD
I just want to hear her voice (2025)
The Lost Vlog of Ruby Real (2020)HD
The Lost Vlog of Ruby Real (2020)
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123Movies

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