Science Fiction Movies & TV Shows Online Free

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

Spaced Invaders (1990) 1080P
Spaced Invaders (1990) Comedy, Family
Spontaneous Combustion (1990) 1080P
Spontaneous Combustion (1990) Horror, Science Fiction
Leviathan (1989) 1080P
Leviathan (1989) Adventure, Horror
Darkman (1990) 1080P
Darkman (1990) Action, Science Fiction
Honey, I Shrunk the Kids (1989) 1080P
Honey, I Shrunk the Kids (1989) Adventure, Comedy
Spirits of the Air.. (1988) 1080P
Spirits of the Air.. (1988) Adventure, Science Fiction
The Handmaid's Tale (1990) 1080P
The Handmaid's Tale (1990) Drama, Science Fiction
The Toxic Avenger Part III.. (1989) 1080P
The Toxic Avenger Part III.. (1989) Action, Comedy
The Toxic Avenger Part II (1989) 1080P
The Toxic Avenger Part II (1989) Action, Comedy
The Return of Swamp Thing (1989) 1080P
The Return of Swamp Thing (1989) Horror, Science Fiction
The Fly II (1989) 1080P
The Fly II (1989) Horror, Science Fiction
Zombie Flesh Eaters 2 (1988) 1080P
Zombie Flesh Eaters 2 (1988) Action, Horror
Akira (1988) 1080P
Akira (1988) Action, Animation
My Stepmother Is an Alien (1988) 1080P
My Stepmother Is an Alien (1988) Comedy, Science Fiction
Alien Nation (1988) 1080P
Alien Nation (1988) Action, Crime
Death Warmed Up (1984) 1080P
Death Warmed Up (1984) Horror, Science Fiction
Robowar (1988) 1080P
Robowar (1988) Action, Science Fiction
Return of the Killer Tomatoes! (1988) 1080P
Return of the Killer Tomatoes! (1988) Comedy, Horror
Monkey Shines (1988) 1080P
Monkey Shines (1988) Drama, Horror
Killer Klowns from Outer Space (1988) 1080P
Killer Klowns from Outer Space (1988) Comedy, Horror
Dead Heat (1988) 1080P
Dead Heat (1988) Action, Comedy
Critters 2 (1988) 1080P
Critters 2 (1988) Comedy, Horror
The Blob (1988) 1080P
The Blob (1988) Action, Horror
Superman IV: The Quest for Peace (1987) 1080P
Superman IV: The Quest for Peace (1987) Action, Adventure

Frequently Asked Questions

What are the best Science Fiction movies on MadFlix?

Browse the grid below — titles are sorted by popularity and rating. Use the Filter to narrow by year, country, or sub-genre.

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.