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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 26,873 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Toxica (2022)1080P
Toxica (2022)
El NeunoideHD
El Neunoide
New Century 2003 Ultraman Legend: THE KING'S JUBILEE (2003)1080P
New Century 2003 Ultraman Legend: THE KING'S JUBILEE (2003)
Re-Flesh (2022)HD
Re-Flesh (2022)
The Sex Machine (1975)HD
The Sex Machine (1975)
Tokyo Ghoul 'S' (2019)HD
Tokyo Ghoul 'S' (2019)
Respawned (2022)HD
Respawned (2022)
Knock / Knock (2020)1080P
Knock / Knock (2020)
ATLAS (2025)HD
ATLAS (2025)
Return from Orbit (1984)HD
Return from Orbit (1984)
False Flag (2024)HD
False Flag (2024)
Bunker: Project 12 (2016)HD
Bunker: Project 12 (2016)
The Green Slime (1968)HD
The Green Slime (1968)
Blue Planet (1971)HD
Blue Planet (1971)
Planet of the Sharks (2016)HD
Planet of the Sharks (2016)
Insight (2021)HD
Insight (2021)
Oh Be a Fine Girl Kiss Me (2025)HD
Oh Be a Fine Girl Kiss Me (2025)
Kamen Rider W Returns: Kamen Rider Accel (2011)HD
Kamen Rider W Returns: Kamen Rider Accel (2011)
LEGO Marvel Super Heroes: Guardians of the Galaxy - The Thanos Threat (2017)HD
LEGO Marvel Super Heroes: Guardians of the Galaxy - The Thanos Threat (2017)
AfterHD
After
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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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