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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 26,809 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Ovni (2016)HD
Ovni (2016)
Son of Flubber (1963)HD
Son of Flubber (1963)
W Is War (1983)HD
W Is War (1983)
Mothra (1961)1080P
Mothra (1961)
Because I Love YouHD
Because I Love You
Untitled Star Wars "New Jedi Order" FilmHD
Untitled Star Wars "New Jedi Order" Film
Brain 17 (1982)1080P
Brain 17 (1982)
Search for the Gods (1975)HD
Search for the Gods (1975)
Stake Land (2010)HD
Stake Land (2010)
INTERFERENCESHD
INTERFERENCES
GLITCH (2024)HD
GLITCH (2024)
Overwritten (2023)HD
Overwritten (2023)
The Horror of Frankenstein (1970)HD
The Horror of Frankenstein (1970)
Arpeggio of Blue Steel -Ars Nova DC- (2015)1080P
Arpeggio of Blue Steel -Ars Nova DC- (2015)
The Living Dead at Manchester Morgue (1974)HD
The Living Dead at Manchester Morgue (1974)
Secret Advisor (1989)1080P
Secret Advisor (1989)
Kashmir (2018)HD
Kashmir (2018)
Bio Slime (2010)HD
Bio Slime (2010)
Man-Made Monster (1941)HD
Man-Made Monster (1941)
The War Of The Worlds: The Prophetic Novel (2025)HD
The War Of The Worlds: The Prophetic Novel (2025)
1…182183184…500›
123Movies

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