- Creature (1986)
R | Science fiction/Horror
- Companion (2025)
R | Science fiction/Horror
- Criminal (2016)
R | Action/Science fiction
- Contamination .7 (1993)
R | Science fiction/Horror
- Cyborg (1989)
R | Science fiction
- Code 46 (2003)
R | Drama/Romance
- Close Encounters of the Third Kind (1978)
NR | Science fiction
- Curse of the Mayans (2017)
NR | Action/Science fiction
- Capulina Contra los Monstruos
NR | Science fiction
- Crack in the World (2010)
NR | Science fiction
- Creep Box
NR | Science fiction
- The Crawling Eye (1958)
NR | Science fiction
- Color Out of Space (2020)
NR | Science fiction/Horror
- The Creation of the Humanoids
NR | Science fiction
- Come True (2021)
NR | Science fiction/Horror
- The Colony (2013)
NR | Science fiction/Thriller