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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 26,966 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

The Mysterians (1957)HD
The Mysterians (1957)
Immunity (2024)HD
Immunity (2024)
009: The Reopening (2010)HD
009: The Reopening (2010)
Ultramarines: A Warhammer 40,000 Movie (2010)HD
Ultramarines: A Warhammer 40,000 Movie (2010)
Again Again (2026)HD
Again Again (2026)
Pandora Machine (2004)HD
Pandora Machine (2004)
2 Lava 2 Lantula! (2016)HD
2 Lava 2 Lantula! (2016)
RoachnadoHD
Roachnado
The Car: Road to Revenge (2019)HD
The Car: Road to Revenge (2019)
Kamen Rider Build: Be The One (2018)1080P
Kamen Rider Build: Be The One (2018)
DC Showcase: Kamandi: The Last Boy on Earth! (2021)HD
DC Showcase: Kamandi: The Last Boy on Earth! (2021)
Dinoshark (2010)HD
Dinoshark (2010)
Bruce Gallagan (2016)HD
Bruce Gallagan (2016)
Fisuras (2022)HD
Fisuras (2022)
Exit Pangea (2025)HD
Exit Pangea (2025)
I Am the Doorway (2017)HD
I Am the Doorway (2017)
Neo-Gaia (2019)HD
Neo-Gaia (2019)
Hotel Fantasma (2025)HD
Hotel Fantasma (2025)
Barbie and the Sensations: Rockin' Back to Earth (1987)1080P
Barbie and the Sensations: Rockin' Back to Earth (1987)
Potluck (2024)1080P
Potluck (2024)
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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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