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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 26,812 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Sitra Achra (2025)HD
Sitra Achra (2025)
Leda - The Fantastic Adventure of Yohko (1991)HD
Leda - The Fantastic Adventure of Yohko (1991)
The Naked Monster (2005)HD
The Naked Monster (2005)
Ghost Hoe (2025)1080P
Ghost Hoe (2025)
The Colour of Your Lips (2019)HD
The Colour of Your Lips (2019)
Apex Legends Stories from the Outlands "Encore" (2023)HD
Apex Legends Stories from the Outlands "Encore" (2023)
SYNC (2026)HD
SYNC (2026)
Olivia's Belt (2025)1080P
Olivia's Belt (2025)
Robosapien: Rebooted (2013)HD
Robosapien: Rebooted (2013)
We Are Aliens (2026)HD
We Are Aliens (2026)
The Woman in Black and the Black Dragon (1966)HD
The Woman in Black and the Black Dragon (1966)
.hack//Legend of the Twilight: Let's Meet Offline (2003)1080P
.hack//Legend of the Twilight: Let's Meet Offline (2003)
Beach Head (1969)1080P
Beach Head (1969)
Contagion of Fear (2023)HD
Contagion of Fear (2023)
If You Are the One 3 (2023)HD
If You Are the One 3 (2023)
Kamen Rider Ghost RE:BIRTH - Kamen Rider Specter (2017)HD
Kamen Rider Ghost RE:BIRTH - Kamen Rider Specter (2017)
Flash Gordon Conquers the Universe (1940)HD
Flash Gordon Conquers the Universe (1940)
Blonsh (2023)HD
Blonsh (2023)
Decapitarium (2021)HD
Decapitarium (2021)
Ultra Fight Victory (2016)1080P
Ultra Fight Victory (2016)
1…322323324…500›
123Movies

123Movies — watch movies online for free and discover the latest movies and TV series without registration.

Disclaimer: This site does not store any files on its server. All contents are provided by non-affiliated third parties.

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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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