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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 26,948 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

The Phantom from 10,000 Leagues (1955)HD
The Phantom from 10,000 Leagues (1955)
Lady Death (2004)1080P
Lady Death (2004)
Daddy LazarusHD
Daddy Lazarus
Mémoire morte (2002)HD
Mémoire morte (2002)
Synthia (2019)HD
Synthia (2019)
Action Replayy (2010)HD
Action Replayy (2010)
Good Vibes Only (2026)HD
Good Vibes Only (2026)
Mémoire Morte (2000)1080P
Mémoire Morte (2000)
Hyakujuu Sentai Gaoranger: The Fire Mountain Roars (2001)HD
Hyakujuu Sentai Gaoranger: The Fire Mountain Roars (2001)
The Invaders (1995)HD
The Invaders (1995)
Azul (2026)HD
Azul (2026)
The Rats (2002)HD
The Rats (2002)
Evil Brain from Outer Space (1966)HD
Evil Brain from Outer Space (1966)
10,000 Days (2014)HD
10,000 Days (2014)
Somehow Wit Da Spring (2016)HD
Somehow Wit Da Spring (2016)
Fish (2025)HD
Fish (2025)
The Humanoid (1979)HD
The Humanoid (1979)
Snowglobe (2007)HD
Snowglobe (2007)
Ovni (2016)HD
Ovni (2016)
Ultraman Cosmos vs. Ultraman Justice: The Final Battle (2003)HD
Ultraman Cosmos vs. Ultraman Justice: The Final Battle (2003)
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123Movies

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