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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 26,787 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Raging Sharks (2005)HD
Raging Sharks (2005)
My Dear Marie (1996)HD
My Dear Marie (1996)
Desert Sky (1997)HD
Desert Sky (1997)
Hippocampe (2018)HD
Hippocampe (2018)
Untainted SkyHD
Untainted Sky
The Zohar Secret (2017)HD
The Zohar Secret (2017)
Press Start (2007)1080P
Press Start (2007)
Aqua Teen Hunger Force Colon Movie Film for Theaters (2007)HD
Aqua Teen Hunger Force Colon Movie Film for Theaters (2007)
Feeders (1996)HD
Feeders (1996)
Gesture (2024)HD
Gesture (2024)
Petrichor (2021)HD
Petrichor (2021)
Aliens vs Avatars (2011)HD
Aliens vs Avatars (2011)
Fired on Mars (2016)HD
Fired on Mars (2016)
CyberTracker (1994)HD
CyberTracker (1994)
The Aftermath (1982)HD
The Aftermath (1982)
Left Behind: World at War (2005)HD
Left Behind: World at War (2005)
Bling (2016)HD
Bling (2016)
UFO: Annihilate SHADO... Kill Straker... (1972)1080P
UFO: Annihilate SHADO... Kill Straker... (1972)
The Dead (2010)HD
The Dead (2010)
Rebirth of Mothra II (1997)HD
Rebirth of Mothra II (1997)
1…432433434…500›
123Movies

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