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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 26,964 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Kim Possible: A Sitch in Time (2003)HD
Kim Possible: A Sitch in Time (2003)
Red Medusa (2013)HD
Red Medusa (2013)
Avalon (2001)HD
Avalon (2001)
Ravage (2023)HD
Ravage (2023)
The Venture Bros.: Radiant Is the Blood of the Baboon Heart (2023)1080P
The Venture Bros.: Radiant Is the Blood of the Baboon Heart (2023)
Angry Planet (2008)HD
Angry Planet (2008)
Cursed Bastards! (2013)HD
Cursed Bastards! (2013)
Trucks (1997)HD
Trucks (1997)
The Second Arrival (1998)HD
The Second Arrival (1998)
Levures sauvages (2025)HD
Levures sauvages (2025)
No Signal (2025)HD
No Signal (2025)
Assassin (2023)HD
Assassin (2023)
Doraemon: Nobita and the Castle of the Undersea Devil (1983)1080P
Doraemon: Nobita and the Castle of the Undersea Devil (1983)
Cat Face (2023)HD
Cat Face (2023)
Endurance (2024)1080P
Endurance (2024)
Future War 198X (1982)HD
Future War 198X (1982)
Max Fury (2010)HD
Max Fury (2010)
SpaceCamp (1986)HD
SpaceCamp (1986)
Mixed Signals (2023)HD
Mixed Signals (2023)
Beavis and Butt-Head Do the Universe (2022)HD
Beavis and Butt-Head Do the Universe (2022)
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123Movies

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