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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 26,779 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Nem Sansão Nem Dalila (1955)HD
Nem Sansão Nem Dalila (1955)
Elsewhere (2026)HD
Elsewhere (2026)
São Ateu (2022)HD
São Ateu (2022)
Save the Immortal (2026)1080P
Save the Immortal (2026)
Doraemon: The Record of Nobita, Spaceblazer (1981)HD
Doraemon: The Record of Nobita, Spaceblazer (1981)
Surface Tension (2026)HD
Surface Tension (2026)
Attack on Titan (2022)HD
Attack on Titan (2022)
The Voyager (2016)HD
The Voyager (2016)
Alligator (1980)HD
Alligator (1980)
Godzilla vs. Hedorah (1971)HD
Godzilla vs. Hedorah (1971)
The Brain-Stealers (1968)1080P
The Brain-Stealers (1968)
Saturn 3 (1980)HD
Saturn 3 (1980)
Alpha Test (2025)HD
Alpha Test (2025)
LEGO Star Wars Holiday Special (2020)HD
LEGO Star Wars Holiday Special (2020)
The Enemy's the Pirates!: The Cats' Banquet (1989)1080P
The Enemy's the Pirates!: The Cats' Banquet (1989)
The Bay (2012)HD
The Bay (2012)
Space Truckers (1996)HD
Space Truckers (1996)
BinaryHD
Binary
Zoo Wars (2018)HD
Zoo Wars (2018)
Monolith (2023)HD
Monolith (2023)
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123Movies

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