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.

It Lives Again (1978) 1080P
It Lives Again (1978) Horror, Science Fiction
Stalker (1979) 1080P
Stalker (1979) Drama, Science Fiction
It's Alive (1974) 1080P
It's Alive (1974) Horror, Science Fiction
Phase IV (1974) 1080P
Phase IV (1974) Horror, Science Fiction
Fantastic Planet (1973) 1080P
Fantastic Planet (1973) Animation, Science Fiction
Sssssss (1973) 1080P
Sssssss (1973) Horror, Science Fiction
Godzilla vs. Mechagodzilla (1974) 1080P
Godzilla vs. Mechagodzilla (1974) Action, Adventure
Soylent Green (1973) 1080P
Soylent Green (1973) Crime, Mystery
Godzilla vs. Megalon (1973) 1080P
Godzilla vs. Megalon (1973) Action, Adventure
Horror Hospital (1973) 1080P
Horror Hospital (1973) Comedy, Horror
Solaris (1972) 1080P
Solaris (1972) Drama, Mystery
Godzilla vs. Gigan (1972) 1080P
Godzilla vs. Gigan (1972) Action, Adventure
The Day of the Dolphin (1973) 1080P
The Day of the Dolphin (1973) Adventure, Drama
Beware! The Blob (1972) 1080P
Beware! The Blob (1972) Comedy, Horror
Dark Star (1974) 1080P
Dark Star (1974) Comedy, Science Fiction
The Crazies (1973) 1080P
The Crazies (1973) Action, Horror
Battle for the Planet of the.. (1973) 1080P
Battle for the Planet of the.. (1973) Action, Science Fiction
Slaughterhouse-Five (1972) 1080P
Slaughterhouse-Five (1972) Drama, Science Fiction
Night of the Lepus (1972) 1080P
Night of the Lepus (1972) Horror, Science Fiction
Flesh Gordon (1974) 1080P
Flesh Gordon (1974) Comedy, Science Fiction
Conquest of the Planet of the.. (1972) 1080P
Conquest of the Planet of the.. (1972) Action, Science Fiction
Doomwatch (1972) 1080P
Doomwatch (1972) Horror, Science Fiction
Creatures the World Forgot (1971) 1080P
Creatures the World Forgot (1971) Adventure, Horror
Escape from the Planet of the.. (1971) 1080P
Escape from the Planet of the.. (1971) Action, Science Fiction

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.