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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 26,777 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Backrooms (2026)1080P
Backrooms (2026)
Disclosure Day (2026)HD
Disclosure Day (2026)
Supergirl (2026)HD
Supergirl (2026)
Project Hail Mary (2026)1080P
Project Hail Mary (2026)
Avatar: Fire and Ash (2025)1080P
Avatar: Fire and Ash (2025)
The Mandalorian and Grogu (2026)HD
The Mandalorian and Grogu (2026)
Black Box (2026)HD
Black Box (2026)
Spider-Man: Brand New Day (2026)HD
Spider-Man: Brand New Day (2026)
Hoppers (2026)1080P
Hoppers (2026)
Interstellar (2014)1080P
Interstellar (2014)
Spider-Man: No Way Home (2021)1080P
Spider-Man: No Way Home (2021)
War of the Worlds (2025)HD
War of the Worlds (2025)
Inception (2010)1080P
Inception (2010)
War Machine (2026)1080P
War Machine (2026)
Jurassic World Rebirth (2025)HD
Jurassic World Rebirth (2025)
Predator: Badlands (2025)1080P
Predator: Badlands (2025)
Dune (2021)1080P
Dune (2021)
Hope (2026)1080P
Hope (2026)
Avatar: The Way of Water (2022)1080P
Avatar: The Way of Water (2022)
The Avengers (2012)1080P
The Avengers (2012)
12…500›
123Movies

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