- Ash (2025)
R | Science fiction/Horror
- Aliens: The Director's Cut (1999)
R | Action/Science fiction
- Alienator (1990)
R | Science fiction
- Alien Uprising (2013)
R | Science fiction
- Alien 3 (1992)
R | Science fiction/Horror
- Aliens (1986)
R | Action/Science fiction
- Alien: Covenant (2017)
R | Science fiction/Horror
- Alien: Romulus (2024)
R | Science fiction/Horror
- Aliens Uncovered: Declassified
NR | Science fiction/Documentary
- Ape vs. Mecha Ape
NR | Action/Science fiction
- Antiviral (2013)
NR | Science fiction/Horror
- Alien vs. Predator (2005)
NR | Action/Science fiction
- Ape vs. Monster (2021)
NR | Action/Science fiction
- Attack From Space (1965)
NR | Science fiction
- Almost Human (2014)
NR | Science fiction/Horror
- Alien Outpost (2015)
NR | Action/Science fiction