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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 26,964 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Phineas and Ferb: Mission Marvel (2013)HD
Phineas and Ferb: Mission Marvel (2013)
Descendent (2025)HD
Descendent (2025)
Terror of Mechagodzilla (1975)HD
Terror of Mechagodzilla (1975)
Plague 049 (2020)HD
Plague 049 (2020)
A.I. (2025)1080P
A.I. (2025)
SEQUENCE CANCELLED (2020)HD
SEQUENCE CANCELLED (2020)
LEGO Star Wars Summer Vacation (2022)HD
LEGO Star Wars Summer Vacation (2022)
Scooby-Doo! Moon Monster Madness (2015)1080P
Scooby-Doo! Moon Monster Madness (2015)
FATHOM (2023)HD
FATHOM (2023)
Samurai Sword (2021)HD
Samurai Sword (2021)
Rádio ParaísoHD
Rádio Paraíso
Prophecy (1979)HD
Prophecy (1979)
Eden of the East Movie I: The King of Eden (2009)HD
Eden of the East Movie I: The King of Eden (2009)
Rivershine (2016)HD
Rivershine (2016)
Zardoz (1974)HD
Zardoz (1974)
Stolen Signals (2023)HD
Stolen Signals (2023)
Northern Drift (2020)HD
Northern Drift (2020)
Doctor Who: The Husbands of River Song (2015)1080P
Doctor Who: The Husbands of River Song (2015)
Patema Inverted (2013)1080P
Patema Inverted (2013)
The Inventor (2020)HD
The Inventor (2020)
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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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