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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 26,828 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Flesh Gordon Meets the Cosmic Cheerleaders (1990)HD
Flesh Gordon Meets the Cosmic Cheerleaders (1990)
Bio Slime (2010)HD
Bio Slime (2010)
Mechazoic (2025)HD
Mechazoic (2025)
Home Bodies (2026)HD
Home Bodies (2026)
Hyper Loupé (2024)HD
Hyper Loupé (2024)
Eureka: Eureka Seven Hi-Evolution (2021)HD
Eureka: Eureka Seven Hi-Evolution (2021)
In the Dust of the Stars (1976)HD
In the Dust of the Stars (1976)
Superman and the Mole Men (1951)HD
Superman and the Mole Men (1951)
Second Childhood (1966)HD
Second Childhood (1966)
Ultra Juice (2026)HD
Ultra Juice (2026)
The Horror of Frankenstein (1970)HD
The Horror of Frankenstein (1970)
Mechamato Movie 2HD
Mechamato Movie 2
ALTERHD
ALTER
Lemon-Aid (2024)HD
Lemon-Aid (2024)
Happy Accidents (2000)HD
Happy Accidents (2000)
Diamond Pyramid (1985)HD
Diamond Pyramid (1985)
Weird to Be Human (2025)HD
Weird to Be Human (2025)
Demonwarp (1988)HD
Demonwarp (1988)
Knock / Knock (2020)1080P
Knock / Knock (2020)
Arpeggio of Blue Steel -Ars Nova Cadenza- (2015)1080P
Arpeggio of Blue Steel -Ars Nova Cadenza- (2015)
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123Movies

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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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