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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 26,777 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Echo Torch (2016)HD
Echo Torch (2016)
Journey to the Center of the Earth (2008)HD
Journey to the Center of the Earth (2008)
SentinelHD
Sentinel
Doctor Who: Time Crash (2007)1080P
Doctor Who: Time Crash (2007)
Jurassic City (2015)HD
Jurassic City (2015)
I Think My Dad's a Cyborg and I Think He Killed My Mum1080P
I Think My Dad's a Cyborg and I Think He Killed My Mum
Monster Force Zero (2020)HD
Monster Force Zero (2020)
Extraterrestrial (2011)HD
Extraterrestrial (2011)
The Ultimate Warrior (1975)HD
The Ultimate Warrior (1975)
Rafadan Tayfa: Galaktik Tayfa (2023)HD
Rafadan Tayfa: Galaktik Tayfa (2023)
Les Heures Mortes (2026)HD
Les Heures Mortes (2026)
The Wicksboro Incident (2003)HD
The Wicksboro Incident (2003)
Zanox (2022)1080P
Zanox (2022)
War-Gods of the Deep (1965)HD
War-Gods of the Deep (1965)
Night Things (2010)HD
Night Things (2010)
Alien Attack (1998)HD
Alien Attack (1998)
Radar Men from the Moon (1952)HD
Radar Men from the Moon (1952)
Race Against Time (2000)HD
Race Against Time (2000)
Skyrunners (2009)HD
Skyrunners (2009)
D (1998)HD
D (1998)
1…395396397…500›
123Movies

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