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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.

Arpeggio of Blue Steel -Ars Nova Cadenza- (2015)1080P
Arpeggio of Blue Steel -Ars Nova Cadenza- (2015)
Alien Nation (1988)HD
Alien Nation (1988)
Empire of the Ants (1977)HD
Empire of the Ants (1977)
RED (2025)HD
RED (2025)
Future World (2018)HD
Future World (2018)
Contained (2021)HD
Contained (2021)
Space Truckers (1996)HD
Space Truckers (1996)
Heroic Trio 2: Executioners (1993)HD
Heroic Trio 2: Executioners (1993)
The Devil's Tomb (2009)HD
The Devil's Tomb (2009)
Turkey Shoot (1982)HD
Turkey Shoot (1982)
Circle (2015)HD
Circle (2015)
Hunter 4 (2024)HD
Hunter 4 (2024)
Superman: Red Son (2020)1080P
Superman: Red Son (2020)
Laura & Vineta (2017)1080P
Laura & Vineta (2017)
Mobile Suit Gundam 00 Special Edition I: Celestial Being (2009)HD
Mobile Suit Gundam 00 Special Edition I: Celestial Being (2009)
The Adventures of Pluto Nash (2002)HD
The Adventures of Pluto Nash (2002)
Astral (1990)HD
Astral (1990)
Resonance: Extraction (2025)HD
Resonance: Extraction (2025)
Flesh Gordon (1974)HD
Flesh Gordon (1974)
Futurama: The Beast with a Billion Backs (2008)HD
Futurama: The Beast with a Billion Backs (2008)
1…878889…500›
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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