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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 26,817 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Forbidden Empire (2014)HD
Forbidden Empire (2014)
Strega (2019)1080P
Strega (2019)
Ghosts of War (2020)HD
Ghosts of War (2020)
Magnética (2020)1080P
Magnética (2020)
Baby Geniuses (1999)HD
Baby Geniuses (1999)
Crater (2023)HD
Crater (2023)
Armor Hero Emperor (2010)1080P
Armor Hero Emperor (2010)
How To Live on Earth (2008)HD
How To Live on Earth (2008)
The Place Promised in Our Early Days (2004)HD
The Place Promised in Our Early Days (2004)
O Paradoxo da Borboleta (2022)HD
O Paradoxo da Borboleta (2022)
On the Beach (1959)HD
On the Beach (1959)
Gantz: Perfect Answer (2011)HD
Gantz: Perfect Answer (2011)
Ben 10: Secret of the Omnitrix (2007)1080P
Ben 10: Secret of the Omnitrix (2007)
Skullduggery (1970)HD
Skullduggery (1970)
Hepgece (2015)HD
Hepgece (2015)
Tammy and the T-Rex (1994)HD
Tammy and the T-Rex (1994)
Starship Troopers: Traitor of Mars (2017)HD
Starship Troopers: Traitor of Mars (2017)
Firestarter (1984)HD
Firestarter (1984)
Maanaadu (2021)HD
Maanaadu (2021)
Chinna Vathiyar (1995)1080P
Chinna Vathiyar (1995)
1…868788…500›
123Movies

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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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