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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 26,962 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

WarGames: The Dead Code (2008)HD
WarGames: The Dead Code (2008)
Date A Live: Mayuri Judgement (2015)1080P
Date A Live: Mayuri Judgement (2015)
Mercury Corp. (2021)HD
Mercury Corp. (2021)
The Second Arrival (1998)HD
The Second Arrival (1998)
Necronect (2025)1080P
Necronect (2025)
The Green Slime (1968)HD
The Green Slime (1968)
Pedralta (2019)HD
Pedralta (2019)
Strive (2026)1080P
Strive (2026)
The Last Days (2013)HD
The Last Days (2013)
LOOP (2026)HD
LOOP (2026)
20th Century Boys 3: Redemption (2009)HD
20th Century Boys 3: Redemption (2009)
Fortress 2 (2000)HD
Fortress 2 (2000)
Alien Hunter (2003)HD
Alien Hunter (2003)
e-Social (2015)HD
e-Social (2015)
Project Penelope (2025)HD
Project Penelope (2025)
Angst (2021)HD
Angst (2021)
Future Future (2026)HD
Future Future (2026)
Killed by Lightning (2002)HD
Killed by Lightning (2002)
Sister (2025)HD
Sister (2025)
The Philadelphia Experiment (2012)HD
The Philadelphia Experiment (2012)
1…124125126…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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