Science Fiction Movies & TV Shows Online Free

Stream the best Science Fiction movies and TV shows free on 123Movies in HD. Browse 1,201 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Iron Sky (2012) 1080P
Iron Sky (2012) Action, Comedy
Quarantine (2008) 1080P
Quarantine (2008) Horror, Science Fiction
Race to Witch Mountain (2009) 1080P
Race to Witch Mountain (2009) Action, Adventure
Surrogates (2009) 1080P
Surrogates (2009) Action, Science Fiction
Lake Placid 2 (2007) 1080P
Lake Placid 2 (2007) Horror, Science Fiction
Vexille (2007) 1080P
Vexille (2007) Animation, Science Fiction
One-Eyed Monster (2008) 1080P
One-Eyed Monster (2008) Comedy, Horror
White Wall (2010) 1080P
White Wall (2010) Action, Drama
Anna's Storm (2007) 1080P
Anna's Storm (2007) Action, Science Fiction
Infestation (2009) 1080P
Infestation (2009) Action, Comedy
Mutant Swinger from Mars (2009) 1080P
Mutant Swinger from Mars (2009) Comedy, Family
The Aerial (2007) 1080P
The Aerial (2007) Drama, Science Fiction
Appleseed: Ex Machina (2007) 1080P
Appleseed: Ex Machina (2007) Action, Animation
Hydra (2009) 1080P
Hydra (2009) Action, Fantasy
Repo! The Genetic Opera (2008) 1080P
Repo! The Genetic Opera (2008) Horror, Music
CJ7 (2008) 1080P
CJ7 (2008) Comedy, Drama
The Speed of Thought (2011) 1080P
The Speed of Thought (2011) Action, Science Fiction
Stargate: Continuum (2008) 1080P
Stargate: Continuum (2008) Action, Adventure
The Happening (2008) 1080P
The Happening (2008) Science Fiction, Thriller
Stargate: The Ark of Truth (2008) 1080P
Stargate: The Ark of Truth (2008) Action, Adventure
Species: The Awakening (2007) 1080P
Species: The Awakening (2007) Horror, Science Fiction
Star Trek: Insurrection (1998) 1080P
Star Trek: Insurrection (1998) Action, Adventure
Teen Titans: Trouble in Tokyo (2006) 1080P
Teen Titans: Trouble in Tokyo (2006) Action, Animation
Bacterium (2006) 1080P
Bacterium (2006) Action, Horror

Frequently Asked Questions

What are the best Science Fiction movies on 123Movies?

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Are new Science Fiction movies added regularly?

Yes. Our Science Fiction catalog updates daily as new films are released theatrically and on streaming.

Can I watch Science Fiction TV shows here too?

Yes — both Science Fiction movies and TV series are listed together. Use the type filter at the top to show only movies or only TV.