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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 26,962 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Star Trek: Generations (1994)HD
Star Trek: Generations (1994)
Bureau 749 (2024)HD
Bureau 749 (2024)
Breach (2026)HD
Breach (2026)
Groot's Pursuit (2022)1080P
Groot's Pursuit (2022)
Infinity Pool (2023)HD
Infinity Pool (2023)
Sorry to Bother You (2018)HD
Sorry to Bother You (2018)
Repo Men (2010)HD
Repo Men (2010)
Star Trek: Section 31 (2025)HD
Star Trek: Section 31 (2025)
Wormtown (2025)HD
Wormtown (2025)
Project Almanac (2015)HD
Project Almanac (2015)
The Secret of NIMH (1982)1080P
The Secret of NIMH (1982)
Sphere (1998)HD
Sphere (1998)
The Darkest Hour (2011)HD
The Darkest Hour (2011)
The Blob (1988)HD
The Blob (1988)
The Dead Zone (1983)1080P
The Dead Zone (1983)
Ad Astra (2019)HD
Ad Astra (2019)
Dragon Ball Super: Super Hero (2022)1080P
Dragon Ball Super: Super Hero (2022)
Kaiju No. 8: Mission Recon (2025)1080P
Kaiju No. 8: Mission Recon (2025)
Signal One (2026)HD
Signal One (2026)
Star Trek V: The Final Frontier (1989)HD
Star Trek V: The Final Frontier (1989)
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123Movies

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

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