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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.

Doomsday Book (2012)HD
Doomsday Book (2012)
Zombie Tidal Wave (2019)HD
Zombie Tidal Wave (2019)
Behemoth (2011)HD
Behemoth (2011)
Vampariah (2016)HD
Vampariah (2016)
Unplugged (2021)HD
Unplugged (2021)
Skip (2018)1080P
Skip (2018)
Mold! (2012)HD
Mold! (2012)
Marauders (2024)HD
Marauders (2024)
Time Spent (2023)1080P
Time Spent (2023)
Evergreen (2012)HD
Evergreen (2012)
Megaconda (2010)HD
Megaconda (2010)
Transmissions of Unwanted Pasts (2019)HD
Transmissions of Unwanted Pasts (2019)
Roar (2015)HD
Roar (2015)
Japanese Spiderman: Episode 0 (1978)HD
Japanese Spiderman: Episode 0 (1978)
Faulty Father (2019)1080P
Faulty Father (2019)
I Built a Rocket Imagining Your Arrival (2026)HD
I Built a Rocket Imagining Your Arrival (2026)
Wonderful Days (2003)HD
Wonderful Days (2003)
Philadelphia Experiment II (1993)HD
Philadelphia Experiment II (1993)
The Cult (2015)HD
The Cult (2015)
Three Supermen and Mad Girl (1973)1080P
Three Supermen and Mad Girl (1973)
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123Movies

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