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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 26,948 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Space Sheriff Shaider: The Movie (1984)HD
Space Sheriff Shaider: The Movie (1984)
The Ghostmaker (2011)HD
The Ghostmaker (2011)
Orion (2025)HD
Orion (2025)
Snake Outta Compton (2018)HD
Snake Outta Compton (2018)
Die 2050er - Everything will change (2022)HD
Die 2050er - Everything will change (2022)
A.R.O.G (2008)HD
A.R.O.G (2008)
Transfer (2010)HD
Transfer (2010)
The Amazing Colossal Man (1957)HD
The Amazing Colossal Man (1957)
Dinosaur Island (2014)HD
Dinosaur Island (2014)
A Visitor to a Museum (1989)HD
A Visitor to a Museum (1989)
Treasure Planet (1982)HD
Treasure Planet (1982)
Cyberstalker (1996)HD
Cyberstalker (1996)
Strogonoff (2008)HD
Strogonoff (2008)
Edge of Extinction (2022)HD
Edge of Extinction (2022)
Duck Dodgers in the 24½th Century (1953)1080P
Duck Dodgers in the 24½th Century (1953)
The Terror Within II (1991)HD
The Terror Within II (1991)
Seeds of Destruction (2011)HD
Seeds of Destruction (2011)
Les DécentrésHD
Les Décentrés
I See Him (2026)HD
I See Him (2026)
Lethal Target (1999)HD
Lethal Target (1999)
1…376377378…500›
123Movies

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