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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 26,963 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Mars Express (2023)1080P
Mars Express (2023)
Nowhere (1997)HD
Nowhere (1997)
Repo Man (1984)HD
Repo Man (1984)
Justice League: Throne of Atlantis (2015)HD
Justice League: Throne of Atlantis (2015)
2-Headed Shark Attack (2012)HD
2-Headed Shark Attack (2012)
Foe (2023)HD
Foe (2023)
Clockstoppers (2002)HD
Clockstoppers (2002)
Creature from the Black Lagoon (1954)HD
Creature from the Black Lagoon (1954)
Breach (2020)HD
Breach (2020)
The Invincible Iron Man (2007)HD
The Invincible Iron Man (2007)
Doraemon: Nobita and the Winged Braves (2001)1080P
Doraemon: Nobita and the Winged Braves (2001)
How to Talk to Girls at Parties (2017)HD
How to Talk to Girls at Parties (2017)
MFKZ (2018)1080P
MFKZ (2018)
Splinter (2008)HD
Splinter (2008)
The Erotic and Wacky Tunnel of Time (1983)HD
The Erotic and Wacky Tunnel of Time (1983)
AntropoartifisHD
Antropoartifis
Silent Night (2021)HD
Silent Night (2021)
The King of Fighters (2009)HD
The King of Fighters (2009)
Mars (1998)HD
Mars (1998)
Godzilla, King of the Monsters! (1956)HD
Godzilla, King of the Monsters! (1956)
1…666768…500›
123Movies

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