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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 26,750 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Road Train (2010)HD
Road Train (2010)
The Tenants (2024)1080P
The Tenants (2024)
The Adventure of A.R.I.: My Robot Friend (2022)HD
The Adventure of A.R.I.: My Robot Friend (2022)
Left Behind: World at War (2005)HD
Left Behind: World at War (2005)
Division by ZeroHD
Division by Zero
Carrie and Jess Save the Universe! (2022)HD
Carrie and Jess Save the Universe! (2022)
The X from Outer Space (1967)HD
The X from Outer Space (1967)
Alien Nation: Dark Horizon (1994)HD
Alien Nation: Dark Horizon (1994)
Memento Mori (2024)HD
Memento Mori (2024)
The Sender (1982)HD
The Sender (1982)
The WriteristHD
The Writerist
The Great Tower (2024)HD
The Great Tower (2024)
El fin del mundoHD
El fin del mundo
1+1=1.5 (1969)HD
1+1=1.5 (1969)
Nova (2014)HD
Nova (2014)
The Discarded (2023)HD
The Discarded (2023)
Phineas and Ferb: Last Day of Summer (2015)1080P
Phineas and Ferb: Last Day of Summer (2015)
Lex (2011)HD
Lex (2011)
Shadow Fury (2001)HD
Shadow Fury (2001)
The Battle of Grovers Mill (2024)HD
The Battle of Grovers Mill (2024)
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123Movies

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