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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 26,778 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Killed by Lightning (2002)HD
Killed by Lightning (2002)
Love Position: The Legend of Halley (1985)HD
Love Position: The Legend of Halley (1985)
Agito: Superpower War (2026)1080P
Agito: Superpower War (2026)
Destination: Unknown (2019)HD
Destination: Unknown (2019)
Space Battleship Yamato (2010)HD
Space Battleship Yamato (2010)
Justice League vs. Teen Titans (2016)1080P
Justice League vs. Teen Titans (2016)
The Thundermans Return (2024)1080P
The Thundermans Return (2024)
The Black Hole (1979)HD
The Black Hole (1979)
The Clearing (2024)1080P
The Clearing (2024)
TimeFighters (1984)HD
TimeFighters (1984)
Doraemon: Nobita's Great Adventure in the World of Magic (1984)HD
Doraemon: Nobita's Great Adventure in the World of Magic (1984)
Prospect (2018)HD
Prospect (2018)
Threads (1985)1080P
Threads (1985)
The Tree House (2019)HD
The Tree House (2019)
Light of My Life (2019)HD
Light of My Life (2019)
Soul Breaker (2015)HD
Soul Breaker (2015)
Escape Reality (2025)HD
Escape Reality (2025)
Breach (2020)HD
Breach (2020)
The Avengers (1998)HD
The Avengers (1998)
Oxygen (2021)HD
Oxygen (2021)
1…787980…500›
123Movies

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Disclaimer: This site does not store any files on its server. All contents are provided by non-affiliated third parties.

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