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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 26,809 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Apollo 18 (2011)HD
Apollo 18 (2011)
Burra Katha (2019)HD
Burra Katha (2019)
InCONVENIENCE (2023)1080P
InCONVENIENCE (2023)
Any Day Now (1976)1080P
Any Day Now (1976)
Scooby-Doo and the Alien Invaders (2000)1080P
Scooby-Doo and the Alien Invaders (2000)
Horizon (2017)1080P
Horizon (2017)
Capricorn One (1977)HD
Capricorn One (1977)
Mysterious Island (1961)HD
Mysterious Island (1961)
The Star Wars Holiday Special (1978)HD
The Star Wars Holiday Special (1978)
Book of Dreams: Dream 1 - Frank's Dream (2005)HD
Book of Dreams: Dream 1 - Frank's Dream (2005)
Digimon Adventure 02: The Beginning (2023)1080P
Digimon Adventure 02: The Beginning (2023)
Ebirah, Horror of the Deep (1966)HD
Ebirah, Horror of the Deep (1966)
How to Build a Better Boy (2014)HD
How to Build a Better Boy (2014)
Jupiter Rain (2022)HD
Jupiter Rain (2022)
Freaked (1993)HD
Freaked (1993)
Cho Ninja Tai Inazuma (2006)HD
Cho Ninja Tai Inazuma (2006)
The Puppet Masters (1994)HD
The Puppet Masters (1994)
Bubble (2022)1080P
Bubble (2022)
Awake (2021)HD
Awake (2021)
Parasyte: Part 2 (2015)1080P
Parasyte: Part 2 (2015)
1…798081…500›
123Movies

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