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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 26,922 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Dandy Dust (1998)HD
Dandy Dust (1998)
LEGO Marvel Super Heroes: Avengers Reassembled! (2015)HD
LEGO Marvel Super Heroes: Avengers Reassembled! (2015)
Quantum Quest: A Cassini Space Odyssey (2010)HD
Quantum Quest: A Cassini Space Odyssey (2010)
MadlandsHD
Madlands
Set a Date (2023)HD
Set a Date (2023)
The Adventures of the Electronic (1980)1080P
The Adventures of the Electronic (1980)
King Krule: Live on the Moon (2018)HD
King Krule: Live on the Moon (2018)
Matter of Time (2026)HD
Matter of Time (2026)
Reboot (2024)HD
Reboot (2024)
Hotel Tempus (2022)HD
Hotel Tempus (2022)
The Mating Habits of the Earthbound Human (1999)HD
The Mating Habits of the Earthbound Human (1999)
1990: The Bronx Warriors (1982)HD
1990: The Bronx Warriors (1982)
Kiss Me Monster (1969)HD
Kiss Me Monster (1969)
UFO (2020)HD
UFO (2020)
Applause (2027)HD
Applause (2027)
Hard to Be a God (1990)HD
Hard to Be a God (1990)
The Cage (2017)HD
The Cage (2017)
Space Clodo (2025)HD
Space Clodo (2025)
Peter's To-Do List (2019)HD
Peter's To-Do List (2019)
Broken Clouds (2011)HD
Broken Clouds (2011)
1…196197198…500›
123Movies

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