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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 26,868 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Mazinger Z vs. Doctor Hell (1974)1080P
Mazinger Z vs. Doctor Hell (1974)
Time Runner (1993)HD
Time Runner (1993)
Organism 46-B The UnseenHD
Organism 46-B The Unseen
Daywalker (2025)HD
Daywalker (2025)
The First (2014)HD
The First (2014)
Prefigured (2019)HD
Prefigured (2019)
Reverence (2006)1080P
Reverence (2006)
Chronopolis (1983)HD
Chronopolis (1983)
FILAMENT (2017)HD
FILAMENT (2017)
Happy Heroes 2 Qiyuan Planet Wars (2014)HD
Happy Heroes 2 Qiyuan Planet Wars (2014)
The Evil of Frankenstein (1964)HD
The Evil of Frankenstein (1964)
Leap of Faith (2023)HD
Leap of Faith (2023)
Collision Earth (2020)HD
Collision Earth (2020)
Hubcap (2023)HD
Hubcap (2023)
The Protected Men (2024)HD
The Protected Men (2024)
This is How You Kill Rats (2024)HD
This is How You Kill Rats (2024)
The Parasite Doctor Suzune: Genesis (2011)HD
The Parasite Doctor Suzune: Genesis (2011)
Alien Artist (2022)1080P
Alien Artist (2022)
Beyond 1.5 (2026)HD
Beyond 1.5 (2026)
Silk (2006)HD
Silk (2006)
1…294295296…500›
123Movies

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