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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 27,054 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Spider-Man: Brand New Day (2026)1080P
Spider-Man: Brand New Day (2026)
Colony (2026)1080P
Colony (2026)
Rage of Stars (2026)HD
Rage of Stars (2026)
Batman: Knightfall Part 1: Knightfall (2026)1080P
Batman: Knightfall Part 1: Knightfall (2026)
Spider-Man: No Way Home (2021)1080P
Spider-Man: No Way Home (2021)
Project Hail Mary (2026)1080P
Project Hail Mary (2026)
Backrooms (2026)1080P
Backrooms (2026)
Disclosure Day (2026)1080P
Disclosure Day (2026)
The Dog Stars (2026)HD
The Dog Stars (2026)
War of the Worlds (2025)HD
War of the Worlds (2025)
Supergirl (2026)HD
Supergirl (2026)
Avengers: Infinity War (2018)1080P
Avengers: Infinity War (2018)
The Avengers (2012)1080P
The Avengers (2012)
The Mandalorian and Grogu (2026)1080P
The Mandalorian and Grogu (2026)
Masters of the Universe (2026)1080P
Masters of the Universe (2026)
The Last House (2026)HD
The Last House (2026)
Avatar: Fire and Ash (2025)1080P
Avatar: Fire and Ash (2025)
Spider-Man: Across the Spider-Verse (2023)1080P
Spider-Man: Across the Spider-Verse (2023)
The End of Oak Street (2026)HD
The End of Oak Street (2026)
Interstellar (2014)1080P
Interstellar (2014)
12…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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