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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 26,764 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Pitch Black (2000)HD
Pitch Black (2000)
Radio Destino (2025)HD
Radio Destino (2025)
Underdog (2007)HD
Underdog (2007)
Eventide (2024)1080P
Eventide (2024)
Metropolis (2001)1080P
Metropolis (2001)
Sexy Timetrip Ninjas (1984)HD
Sexy Timetrip Ninjas (1984)
Kazakhs vs Aliens (2022)1080P
Kazakhs vs Aliens (2022)
The Lost Future (2010)HD
The Lost Future (2010)
Monochrome Menace!! (2023)HD
Monochrome Menace!! (2023)
Hollow Man II (2006)HD
Hollow Man II (2006)
The Hole (1999)1080P
The Hole (1999)
Flight of the Navigator (1986)HD
Flight of the Navigator (1986)
The Oddity (2024)HD
The Oddity (2024)
Universal Soldier: The Return (1999)HD
Universal Soldier: The Return (1999)
Bipedalism (2005)HD
Bipedalism (2005)
Fire and Ice (1983)HD
Fire and Ice (1983)
Batman: The Dark Knight Returns, Part 2 (2013)1080P
Batman: The Dark Knight Returns, Part 2 (2013)
Danger Dolls (2014)HD
Danger Dolls (2014)
24 Hours to Live (2017)HD
24 Hours to Live (2017)
Hearty Greetings from the Globe (1983)HD
Hearty Greetings from the Globe (1983)
1…565758…500›
123Movies

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