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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.

Grace (2026)HD
Grace (2026)
Electroma (2006)HD
Electroma (2006)
Mystery Science Theater 3000: The Movie (1996)HD
Mystery Science Theater 3000: The Movie (1996)
Martian Massacre (2021)HD
Martian Massacre (2021)
Japanese Spiderman: Episode 0 (1978)HD
Japanese Spiderman: Episode 0 (1978)
Transcending Dimensions (2025)1080P
Transcending Dimensions (2025)
The Deal (2022)HD
The Deal (2022)
The Freakees (2024)HD
The Freakees (2024)
Lockdown: 2025 (2021)HD
Lockdown: 2025 (2021)
Anima Possession (2022)HD
Anima Possession (2022)
Gravediggers (2024)HD
Gravediggers (2024)
The Killer Shrews (1959)HD
The Killer Shrews (1959)
R.A.D.A.R.: The Adventures of the Bionic Dog (2023)1080P
R.A.D.A.R.: The Adventures of the Bionic Dog (2023)
Contact (2018)HD
Contact (2018)
Towa no Quon 3: The Complicity of Dreams (2011)HD
Towa no Quon 3: The Complicity of Dreams (2011)
Salsiccia & Polpetta (2025)HD
Salsiccia & Polpetta (2025)
Bionic Showdown: The Six Million Dollar Man and the Bionic Woman (1989)HD
Bionic Showdown: The Six Million Dollar Man and the Bionic Woman (1989)
Thru the Moebius Strip (2005)HD
Thru the Moebius Strip (2005)
Das Marsprojekt (2021)HD
Das Marsprojekt (2021)
Suicide Mission (1973)HD
Suicide Mission (1973)
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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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