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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 26,776 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

The Reluctant Astronaut (1967)HD
The Reluctant Astronaut (1967)
THE CHAMELEON WHO FORGOT ITS COLOR (2026)HD
THE CHAMELEON WHO FORGOT ITS COLOR (2026)
Advent (1981)1080P
Advent (1981)
DEFCON-4 (1985)HD
DEFCON-4 (1985)
Recollector (2023)HD
Recollector (2023)
DZIDZIO: MARSIK (2016)HD
DZIDZIO: MARSIK (2016)
Cleft Lip (2019)HD
Cleft Lip (2019)
Seven Cities Story: Arctic Front (1994)HD
Seven Cities Story: Arctic Front (1994)
Attack of the 60 Foot Centerfold (1995)HD
Attack of the 60 Foot Centerfold (1995)
Frankenstein: The College Years (1991)HD
Frankenstein: The College Years (1991)
The Chopper (1971)HD
The Chopper (1971)
Cydonia (2021)HD
Cydonia (2021)
Wheels of Fire (1985)HD
Wheels of Fire (1985)
Strange Things Happen at the Weird House 3HD
Strange Things Happen at the Weird House 3
Kill Him ‘Til He’s DeadHD
Kill Him ‘Til He’s Dead
Last Days of the Man of Tomorrow (2017)1080P
Last Days of the Man of Tomorrow (2017)
The Prodigies (2011)HD
The Prodigies (2011)
The Bond (2012)1080P
The Bond (2012)
The Sea Serpent (1985)HD
The Sea Serpent (1985)
Eidolon (2025)HD
Eidolon (2025)
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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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