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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 26,785 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Sting of Death (1966)HD
Sting of Death (1966)
CYANOVISIONS (2020)HD
CYANOVISIONS (2020)
Die erste Bahn (2024)HD
Die erste Bahn (2024)
Disruption (2019)HD
Disruption (2019)
The Hidden II (1993)HD
The Hidden II (1993)
The Man of Ganimedes (1976)HD
The Man of Ganimedes (1976)
Probable Robot (2015)HD
Probable Robot (2015)
Nightmare Weekend (1986)HD
Nightmare Weekend (1986)
Maquetas (2009)HD
Maquetas (2009)
SyntaxHD
Syntax
Within the Rock (1996)HD
Within the Rock (1996)
Frankenstein '80 (1972)HD
Frankenstein '80 (1972)
The Infinite Monkey Theorem (2025)1080P
The Infinite Monkey Theorem (2025)
The Primevals (2023)HD
The Primevals (2023)
Tobor the Great (1954)HD
Tobor the Great (1954)
P.U.N.K.S (1999)HD
P.U.N.K.S (1999)
Test (1968)HD
Test (1968)
The Fourth Dimension (1987)HD
The Fourth Dimension (1987)
Evolution (1978)HD
Evolution (1978)
Relax (2024)HD
Relax (2024)
1…499500
123Movies

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