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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 26,966 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Candela (2022)HD
Candela (2022)
Frontier (2018)HD
Frontier (2018)
Gentlemen Broncos (2009)HD
Gentlemen Broncos (2009)
Kamen Rider Geats: 4 Aces and the Black Fox (2023)HD
Kamen Rider Geats: 4 Aces and the Black Fox (2023)
Alien Beasts (1991)HD
Alien Beasts (1991)
Alien: Containment (2019)HD
Alien: Containment (2019)
Arachnoquake (2012)HD
Arachnoquake (2012)
Sky Pirates (1986)HD
Sky Pirates (1986)
Kafka (1991)HD
Kafka (1991)
ALTERHD
ALTER
Nightjar (2019)HD
Nightjar (2019)
Inmortal (2021)HD
Inmortal (2021)
Lightspeed (2006)HD
Lightspeed (2006)
Psalms of Planets Eureka Seven: Good Night, Sleep Tight, Young Lovers (2009)HD
Psalms of Planets Eureka Seven: Good Night, Sleep Tight, Young Lovers (2009)
Monstroid (1980)HD
Monstroid (1980)
Loop (2019)1080P
Loop (2019)
Son of Flubber (1963)HD
Son of Flubber (1963)
Be Forever Yamato Rebel 3199: Part 3: Ultramarine Asteroid (2025)1080P
Be Forever Yamato Rebel 3199: Part 3: Ultramarine Asteroid (2025)
Warning Sign (1985)HD
Warning Sign (1985)
Operation 1414 (2022)HD
Operation 1414 (2022)
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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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