- Alien: Covenant (2017)
R | Science fiction/Horror
- Alienator (1990)
R | Science fiction
- Aliens vs. Predator: Requiem (2007)
R | Action/Science fiction
- Alien Uprising (2013)
R | Science fiction
- Alien 3 (1992)
R | Science fiction/Horror
- Aliens (1986)
R | Action/Science fiction
- Ash (2025)
R | Science fiction/Horror
- Alien Resurrection (1997)
R | Science fiction/Horror
- Antiviral (2013)
NR | Science fiction/Horror
- Alien vs. Predator
NR | Action/Science fiction
- Ape vs. Monster (2021)
NR | Action/Science fiction
- Almost Human (2014)
NR | Science fiction/Horror
- Aliens Uncovered: The Thunder God
NR | Science fiction/Documentary
- Area 407 (2011)
NR | Science fiction/Horror
- Ape vs. Mecha Ape
NR | Action/Science fiction
- Aliens Uncovered: Declassified
NR | Science fiction/Documentary
- Animal (2015)
NR | Action/Science fiction
- Alien Outpost (2015)
NR | Action/Science fiction
- Attack of the 50-Foot Woman (1958)
NR | Science fiction