- The Matrix (1999)
R | Action/Science fiction
- The Matrix Resurrections (2021)
R | Action/Science fiction
- Mutant (1984)
R | Science fiction/Horror
- The Mist (2008)
R | Science fiction/Horror
- Mickey 17 (2025)
R | Comedy/Science fiction
- Monsters (2010)
R | Science fiction/Thriller
- The Matrix Reloaded (2003)
R | Action/Science fiction
- Monkey Shines: An Experiment in Fear (1988)
R | Drama/Science fiction
- Metamorphosis: The Alien Factor (1993)
R | Science fiction
- Mona Lisa and the Blood Moon (2022)
R | Science fiction/Thriller
- The Matrix Revolutions (2003)
R | Action/Science fiction
- Mothra vs. Godzilla (1964)
NR | Science fiction
- The Mouse on the Moon
NR | Comedy/Romance
- The Mesa of Lost Women
NR | Science fiction
- The Manster (1962)
NR | Science fiction
- Master of the World (1961)
NR | Science fiction
- The Mysterious Island
NR | Science fiction
- Mysterious Island
NR | Science fiction
- Mars Needs Women
NR | Science fiction