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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 26,964 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

First Love (2008)HD
First Love (2008)
Voidance (2026)HD
Voidance (2026)
Orbiter 9 (2017)HD
Orbiter 9 (2017)
Iron Girl: Ultimate Weapon (2015)HD
Iron Girl: Ultimate Weapon (2015)
Blood Seekers (2021)1080P
Blood Seekers (2021)
Ultraman Ginga S the Movie: Showdown! The 10 Ultra Warriors! (2015)HD
Ultraman Ginga S the Movie: Showdown! The 10 Ultra Warriors! (2015)
The Empire of Corpses (2015)HD
The Empire of Corpses (2015)
Cloud 99HD
Cloud 99
The Monolith Monsters (1957)HD
The Monolith Monsters (1957)
The Return of Swamp Thing (1989)HD
The Return of Swamp Thing (1989)
The Last Days (2013)HD
The Last Days (2013)
Displaced (2026)HD
Displaced (2026)
Save the Green Planet! (2003)1080P
Save the Green Planet! (2003)
Murong Knight (2020)HD
Murong Knight (2020)
Armitage III: Poly Matrix (1996)HD
Armitage III: Poly Matrix (1996)
Gintama (2017)HD
Gintama (2017)
Adrenalin: Fear the Rush (1996)HD
Adrenalin: Fear the Rush (1996)
The Medusa Touch (1978)HD
The Medusa Touch (1978)
Void (2022)HD
Void (2022)
2036: Nexus Dawn (2017)HD
2036: Nexus Dawn (2017)
1…114115116…500›
123Movies

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