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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 26,785 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Octopus (2000)HD
Octopus (2000)
Future Boyfriend (2016)HD
Future Boyfriend (2016)
The Brain (1988)HD
The Brain (1988)
8bits (2019)HD
8bits (2019)
Bug (1975)HD
Bug (1975)
Cade: The Tortured Crossing (2023)HD
Cade: The Tortured Crossing (2023)
Kamen Rider Zero-One: The Miracle Rematch?! Aruto VS Taro The Ab-Buster - Fateful Gag Battle! (2020)HD
Kamen Rider Zero-One: The Miracle Rematch?! Aruto VS Taro The Ab-Buster - Fateful Gag Battle! (2020)
Riders to the Stars (1954)HD
Riders to the Stars (1954)
Visions from the Victorian era (2026)HD
Visions from the Victorian era (2026)
At the Mountains of Madness (2016)HD
At the Mountains of Madness (2016)
Neverknock (2017)HD
Neverknock (2017)
Loom (2012)HD
Loom (2012)
Total Reality (1997)HD
Total Reality (1997)
Mutant Species (1995)HD
Mutant Species (1995)
Komodo (1999)HD
Komodo (1999)
Gun Fu Terra (2018)HD
Gun Fu Terra (2018)
StarlightHD
Starlight
The Removers (2003)1080P
The Removers (2003)
Good Seats (2000)HD
Good Seats (2000)
Please and Thank You (2026)HD
Please and Thank You (2026)
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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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