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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 26,778 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

They Came from Beyond Space (1967)HD
They Came from Beyond Space (1967)
The Reality of Time (2024)1080P
The Reality of Time (2024)
The Alien Factor (1978)HD
The Alien Factor (1978)
Solitude (2025)HD
Solitude (2025)
The Man of Ganimedes (1976)HD
The Man of Ganimedes (1976)
Josh Kirby... Time Warrior: Planet of the Dino-Knights (1995)HD
Josh Kirby... Time Warrior: Planet of the Dino-Knights (1995)
Dark Planet (1997)HD
Dark Planet (1997)
Seattle Superstorm (2012)HD
Seattle Superstorm (2012)
Gill (2019)HD
Gill (2019)
Robot Taekwon V 3: Underwater Commandos (1977)HD
Robot Taekwon V 3: Underwater Commandos (1977)
Campus Special Investigator Hikaruon (1987)1080P
Campus Special Investigator Hikaruon (1987)
I Married a Strange Person! (1998)1080P
I Married a Strange Person! (1998)
OutwithHD
Outwith
Hunting Aliens (2021)HD
Hunting Aliens (2021)
The Cycle (2026)1080P
The Cycle (2026)
UFO’s, Monsters and Utopias: Three Queer Shorts (2024)HD
UFO’s, Monsters and Utopias: Three Queer Shorts (2024)
Star Leaf (2015)HD
Star Leaf (2015)
DistractionHD
Distraction
Summer Time Machine Blues (2005)HD
Summer Time Machine Blues (2005)
The Untitled Karthik Krishnan Project (2010)1080P
The Untitled Karthik Krishnan Project (2010)
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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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