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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 27,069 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

On the Comet (1970)HD
On the Comet (1970)
B/W (2015)HD
B/W (2015)
MIA&I (2021)HD
MIA&I (2021)
Sniper 470 (2002)1080P
Sniper 470 (2002)
Blink 2022 (2022)1080P
Blink 2022 (2022)
Bodies (2017)HD
Bodies (2017)
The Rewind (2025)HD
The Rewind (2025)
Dark World: Duel of the Assassins (2003)1080P
Dark World: Duel of the Assassins (2003)
The Dog of Many Tomorrows (2026)HD
The Dog of Many Tomorrows (2026)
Deepfaking Sam Altman (2026)HD
Deepfaking Sam Altman (2026)
Infinity (2024)HD
Infinity (2024)
Teenage Cave Man (1958)HD
Teenage Cave Man (1958)
The Prize of Peril (1983)HD
The Prize of Peril (1983)
Dr. Shaitan (1960)1080P
Dr. Shaitan (1960)
The Veldt (1979)HD
The Veldt (1979)
Vostok (2015)HD
Vostok (2015)
Attack of the Unknown (2020)HD
Attack of the Unknown (2020)
The Truth (2014)HD
The Truth (2014)
SupaDupa (2013)HD
SupaDupa (2013)
WraithHD
Wraith
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123Movies

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