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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 26,867 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

The Dungeonmaster (1984)HD
The Dungeonmaster (1984)
Defiance (2013)HD
Defiance (2013)
Watchers III (1994)HD
Watchers III (1994)
No One Can Hear You (2026)HD
No One Can Hear You (2026)
Bam Bam (2025)1080P
Bam Bam (2025)
The Incredible Water Monster (2023)HD
The Incredible Water Monster (2023)
Towa no Quon 1: The Ephemeral Petals (2011)HD
Towa no Quon 1: The Ephemeral Petals (2011)
Kamen Rider OOO 10th: The Core Medals of Resurrection (2022)HD
Kamen Rider OOO 10th: The Core Medals of Resurrection (2022)
Либертерра (2025)HD
Либертерра (2025)
LATENCIAHD
LATENCIA
Berdyans'k (2023)HD
Berdyans'k (2023)
Sanctum (2025)HD
Sanctum (2025)
Boa vs. Python (2004)HD
Boa vs. Python (2004)
Artificial Justice (2024)HD
Artificial Justice (2024)
Mazinger Z vs. Doctor Hell (1974)1080P
Mazinger Z vs. Doctor Hell (1974)
Time Runner (1993)HD
Time Runner (1993)
Organism 46-B The UnseenHD
Organism 46-B The Unseen
Daywalker (2025)HD
Daywalker (2025)
The First (2014)HD
The First (2014)
Prefigured (2019)HD
Prefigured (2019)
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123Movies

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