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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 26,761 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Siren (2025)HD
Siren (2025)
Una via fredda per l'inferno (2024)HD
Una via fredda per l'inferno (2024)
The Spirit of '76 (1990)HD
The Spirit of '76 (1990)
Fire from Below (2009)HD
Fire from Below (2009)
Frankenstein Mark 2 (1966)HD
Frankenstein Mark 2 (1966)
Alt 30 (2023)HD
Alt 30 (2023)
Adrenalin: Fear the Rush (1996)HD
Adrenalin: Fear the Rush (1996)
TV-Dad (1988)1080P
TV-Dad (1988)
Skyvault (2018)HD
Skyvault (2018)
Substance (2014)HD
Substance (2014)
Alientologists (2017)HD
Alientologists (2017)
Kadaisi Ulaga Por (2024)HD
Kadaisi Ulaga Por (2024)
Virtual Lies (2021)HD
Virtual Lies (2021)
B-52 (2020)HD
B-52 (2020)
Through The Vent (2026)HD
Through The Vent (2026)
Gas! -Or- It Became Necessary to Destroy the World in Order to Save It. (1970)HD
Gas! -Or- It Became Necessary to Destroy the World in Order to Save It. (1970)
The Lemon Grove Kids Meet the Monsters (1968)HD
The Lemon Grove Kids Meet the Monsters (1968)
Мотомарс. Большая гонкаHD
Мотомарс. Большая гонка
PrudenceHD
Prudence
Immersion (2023)HD
Immersion (2023)
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123Movies

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