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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 26,948 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Cemetery Gates (2006)HD
Cemetery Gates (2006)
Alien on Stage (2020)1080P
Alien on Stage (2020)
Birth (1984)HD
Birth (1984)
SYNC (2024)HD
SYNC (2024)
Three Supermen and Mad Girl (1973)1080P
Three Supermen and Mad Girl (1973)
Carmentis (2019)1080P
Carmentis (2019)
Horror Stories 3 (2016)HD
Horror Stories 3 (2016)
The Garden of Sinners: Future Gospel - Extra Chorus (2013)HD
The Garden of Sinners: Future Gospel - Extra Chorus (2013)
Population Purge (2023)HD
Population Purge (2023)
Dead Dead Demon's Dededede Destruction Part 2 (2024)HD
Dead Dead Demon's Dededede Destruction Part 2 (2024)
From Other Worlds (2004)HD
From Other Worlds (2004)
Doctor Who: The Waters of Mars (2009)1080P
Doctor Who: The Waters of Mars (2009)
SIGH ONYXHD
SIGH ONYX
Shani (1989)1080P
Shani (1989)
ROM (2018)HD
ROM (2018)
The Land That Time Forgot (2025)HD
The Land That Time Forgot (2025)
Bloody Mallory (2002)HD
Bloody Mallory (2002)
Contagion of Fear (2023)HD
Contagion of Fear (2023)
Two People Exchanging Saliva (2025)1080P
Two People Exchanging Saliva (2025)
Gatchaman (2013)HD
Gatchaman (2013)
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123Movies

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