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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 26,851 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Retrieval (2013)HD
Retrieval (2013)
In Vitro (2019)HD
In Vitro (2019)
Astral (2018)HD
Astral (2018)
Loop (2022)1080P
Loop (2022)
LINK (2024)HD
LINK (2024)
Zero Hour (1978)HD
Zero Hour (1978)
The Day The Fly Flies (2024)HD
The Day The Fly Flies (2024)
Shutter (2015)HD
Shutter (2015)
O Holocausto Nuclear Não Será Televisionado (2026)HD
O Holocausto Nuclear Não Será Televisionado (2026)
Space Taxi (2009)HD
Space Taxi (2009)
Neurogenesis (2021)1080P
Neurogenesis (2021)
The Nest (1988)HD
The Nest (1988)
What's My Sign Again? (2025)HD
What's My Sign Again? (2025)
It Came from Beneath the Sea (1955)HD
It Came from Beneath the Sea (1955)
Cosmic Scrat-tastrophe (2015)HD
Cosmic Scrat-tastrophe (2015)
Cybernetic Grandma (1963)HD
Cybernetic Grandma (1963)
Onírica (2025)HD
Onírica (2025)
The Jetsons Meet the Flintstones (1987)HD
The Jetsons Meet the Flintstones (1987)
Sitra Achra (2025)HD
Sitra Achra (2025)
Gal Avatar (2010)HD
Gal Avatar (2010)
1…256257258…500›
123Movies

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