- Kin (2018)
PG-13 | Action/Science fiction
- Knowing (2009)
PG-13 | Science fiction/Thriller
- Killer Klowns From Outer Space (1988)
PG-13 | Comedy/Science fiction
- The Killer Shrews
NR | Science fiction/Horror
- Kaboom (2011)
NR | Science fiction/Comedy drama
- Kids vs. Aliens (2022)
NR | Science fiction/Holiday
- Konga (1961)
NR | Science fiction/Thriller