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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 26,749 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Captain America: The Winter Soldier (2014)1080P
Captain America: The Winter Soldier (2014)
Déjà vu (2007)HD
Déjà vu (2007)
Pacific Rim: Uprising (2018)HD
Pacific Rim: Uprising (2018)
War of the Worlds (2005)HD
War of the Worlds (2005)
Godzilla: King of the Monsters (2019)HD
Godzilla: King of the Monsters (2019)
Teenage Mutant Ninja Turtles (2014)HD
Teenage Mutant Ninja Turtles (2014)
Free Guy (2021)1080P
Free Guy (2021)
The Flash (2023)HD
The Flash (2023)
Chappie (2015)HD
Chappie (2015)
Jupiter Ascending (2015)HD
Jupiter Ascending (2015)
The Hunger Games: Mockingjay - Part 2 (2015)HD
The Hunger Games: Mockingjay - Part 2 (2015)
Monsters vs Aliens (2009)HD
Monsters vs Aliens (2009)
28 Days Later (2002)1080P
28 Days Later (2002)
Ant-Man and the Wasp: Quantumania (2023)HD
Ant-Man and the Wasp: Quantumania (2023)
Milky☆Subway: The Galactic Limited Express - the Movie (2026)1080P
Milky☆Subway: The Galactic Limited Express - the Movie (2026)
TRON: Legacy (2010)HD
TRON: Legacy (2010)
A Clockwork Orange (1971)1080P
A Clockwork Orange (1971)
Dark Phoenix (2019)HD
Dark Phoenix (2019)
Akira (1988)1080P
Akira (1988)
The Witch: Part 2. The Other One (2022)1080P
The Witch: Part 2. The Other One (2022)
1…91011…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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