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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.

Hibernatus (1969)HD
Hibernatus (1969)
Operation Bigfoot (2023)HD
Operation Bigfoot (2023)
Mimic (2026)HD
Mimic (2026)
Mobile Suit Gundam MS IGLOO: The Hidden One Year War (2004)HD
Mobile Suit Gundam MS IGLOO: The Hidden One Year War (2004)
Lake Placid 2 (2007)HD
Lake Placid 2 (2007)
Quantum Supremacy (2026)HD
Quantum Supremacy (2026)
Chance (1984)HD
Chance (1984)
PP33 -POWER PLANT No.33- (2015)HD
PP33 -POWER PLANT No.33- (2015)
Megalodon Rising (2021)HD
Megalodon Rising (2021)
Love Insurance Kompany (2026)HD
Love Insurance Kompany (2026)
Electric Sandwich (2017)1080P
Electric Sandwich (2017)
The Last Mimzy (2007)HD
The Last Mimzy (2007)
LEGO Star Wars Holiday Special (2020)HD
LEGO Star Wars Holiday Special (2020)
Stellans (2025)HD
Stellans (2025)
Hepgece (2015)HD
Hepgece (2015)
Gaptek (2021)HD
Gaptek (2021)
Assassination Classroom (2015)1080P
Assassination Classroom (2015)
Doraemon: Nobita's Great Adventure in the World of Magic (1984)HD
Doraemon: Nobita's Great Adventure in the World of Magic (1984)
Daylight's End (2016)HD
Daylight's End (2016)
Restart the Earth (2021)HD
Restart the Earth (2021)
1…939495…500›
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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