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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 26,751 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Alien Resurrection (1997)HD
Alien Resurrection (1997)
The Hunger Games (2012)1080P
The Hunger Games (2012)
Cold Storage (2026)HD
Cold Storage (2026)
A Quiet Place: Day One (2024)HD
A Quiet Place: Day One (2024)
Pixels (2015)HD
Pixels (2015)
Star Trek Into Darkness (2013)1080P
Star Trek Into Darkness (2013)
Moonfall (2022)HD
Moonfall (2022)
Cosmic Princess Kaguya! (2026)1080P
Cosmic Princess Kaguya! (2026)
Laboratory Conditions (2018)1080P
Laboratory Conditions (2018)
Snowpiercer (2013)HD
Snowpiercer (2013)
The Great Flood (2025)HD
The Great Flood (2025)
The Electric State (2025)HD
The Electric State (2025)
PAW Patrol: The Mighty Movie (2023)HD
PAW Patrol: The Mighty Movie (2023)
Her (2013)1080P
Her (2013)
Rogue One: A Star Wars Story (2016)1080P
Rogue One: A Star Wars Story (2016)
Back to the Future Part II (1989)1080P
Back to the Future Part II (1989)
The 33D Invader (2011)HD
The 33D Invader (2011)
Ex Machina (2015)1080P
Ex Machina (2015)
Star Wars: Episode II - Attack of the Clones (2002)HD
Star Wars: Episode II - Attack of the Clones (2002)
Blue Beetle (2023)HD
Blue Beetle (2023)
1…111213…500›
123Movies

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