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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 26,998 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

ZygoteHD
Zygote
The Outer Wild (2018)HD
The Outer Wild (2018)
Doctor Who: The Fifth Doctor vs. The Daleks (2025)HD
Doctor Who: The Fifth Doctor vs. The Daleks (2025)
Thalamos (2018)HD
Thalamos (2018)
Somnus (2016)HD
Somnus (2016)
Electric Child (2025)HD
Electric Child (2025)
ERINHD
ERIN
New Mars (2019)1080P
New Mars (2019)
Mind and Machine (2017)HD
Mind and Machine (2017)
Doctor Franken (1980)HD
Doctor Franken (1980)
Portal Runner (2021)HD
Portal Runner (2021)
Doctor Who: Death Comes to Time (2002)1080P
Doctor Who: Death Comes to Time (2002)
Robocon: The Movie (1975)HD
Robocon: The Movie (1975)
Hyper Loupé (2024)HD
Hyper Loupé (2024)
From Star Wars to Star Wars: The Story of Industrial Light & Magic (1999)1080P
From Star Wars to Star Wars: The Story of Industrial Light & Magic (1999)
Frankenstein vs. the Creature from Blood Cove (2005)HD
Frankenstein vs. the Creature from Blood Cove (2005)
Where's The BeefHD
Where's The Beef
Quantum MazeHD
Quantum Maze
The Friendship Glitch (2024)HD
The Friendship Glitch (2024)
30 Years in the TARDIS (1993)1080P
30 Years in the TARDIS (1993)
1…489490491…500›
123Movies

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