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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 26,840 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

The Last Survivors (2014)HD
The Last Survivors (2014)
Revival (2024)HD
Revival (2024)
Doctor Who: Twice Upon a Time (2017)1080P
Doctor Who: Twice Upon a Time (2017)
The Slashtronaut (2024)HD
The Slashtronaut (2024)
Dr. Jekyll and Mr. Hyde (1941)HD
Dr. Jekyll and Mr. Hyde (1941)
Seoul Station (2016)HD
Seoul Station (2016)
Trans (2022)HD
Trans (2022)
Funghi Boost (2023)HD
Funghi Boost (2023)
Citizen Toxie: The Toxic Avenger IV (2001)HD
Citizen Toxie: The Toxic Avenger IV (2001)
Ojos ajenos (2020)HD
Ojos ajenos (2020)
Quarantine-19 (2022)HD
Quarantine-19 (2022)
Doctor X (1932)HD
Doctor X (1932)
AR盜夢事件 (2017)HD
AR盜夢事件 (2017)
The Cycle (2026)1080P
The Cycle (2026)
Space People (2016)HD
Space People (2016)
Patema Inverted (2013)1080P
Patema Inverted (2013)
Banaras (2022)HD
Banaras (2022)
Watchers (1988)HD
Watchers (1988)
Pulp (2025)HD
Pulp (2025)
Mr. Blue (2025)HD
Mr. Blue (2025)
1…148149150…500›
123Movies

123Movies — watch movies online for free and discover the latest movies and TV series without registration.

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