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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 26,817 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Mysterious Island (2012)HD
Mysterious Island (2012)
Mars (2021)HD
Mars (2021)
El chupacabras (1996)HD
El chupacabras (1996)
Terror of Mechagodzilla (1975)HD
Terror of Mechagodzilla (1975)
Dinosaur Cove (2022)HD
Dinosaur Cove (2022)
The Dropoff (2024)HD
The Dropoff (2024)
Stargazers (2026)HD
Stargazers (2026)
Human Animals (1983)HD
Human Animals (1983)
5-Headed Shark Attack (2017)HD
5-Headed Shark Attack (2017)
Pulp (2025)HD
Pulp (2025)
Vision Room (2017)HD
Vision Room (2017)
Tentacles (1977)HD
Tentacles (1977)
Moontrap (1989)HD
Moontrap (1989)
Silvery Dust (1953)HD
Silvery Dust (1953)
Kamen Rider Den-O The Movie: I'm Born! (2007)1080P
Kamen Rider Den-O The Movie: I'm Born! (2007)
Feathers (2024)HD
Feathers (2024)
In Search of Tomorrow (2022)HD
In Search of Tomorrow (2022)
The Ugly Swans (2006)HD
The Ugly Swans (2006)
Broadcast (2022)HD
Broadcast (2022)
Awakening Boy (2017)HD
Awakening Boy (2017)
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123Movies

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