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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 26,781 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

The Cult (2015)HD
The Cult (2015)
Spawn of the Slithis (1978)HD
Spawn of the Slithis (1978)
Kosmogonia (1974)HD
Kosmogonia (1974)
My Robot Brother (2022)HD
My Robot Brother (2022)
Altered Reality (2024)HD
Altered Reality (2024)
Jiminy (2013)1080P
Jiminy (2013)
The Phantom Creeps (1939)HD
The Phantom Creeps (1939)
This is How You Kill Rats (2024)HD
This is How You Kill Rats (2024)
Yuri Lennon's Landing on Alpha 46 (2010)HD
Yuri Lennon's Landing on Alpha 46 (2010)
L'Appel du Temps (2023)1080P
L'Appel du Temps (2023)
Homo Erectus (2000)HD
Homo Erectus (2000)
Übermensch (2009)HD
Übermensch (2009)
Angry Video Game Nerd: The Movie (2014)HD
Angry Video Game Nerd: The Movie (2014)
Ten Minutes Older: The Cello (2002)HD
Ten Minutes Older: The Cello (2002)
Noiseman Sound Insect (1997)HD
Noiseman Sound Insect (1997)
The Return of Musketeers or the Treasure of Cardinal Mazarini (2009)HD
The Return of Musketeers or the Treasure of Cardinal Mazarini (2009)
Domain (2017)HD
Domain (2017)
Spin State (2022)HD
Spin State (2022)
Out There (1995)HD
Out There (1995)
UFO Abduction (1989)HD
UFO Abduction (1989)
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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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