- Kong: Skull Island (2017)
PG-13 | Action/Science fiction
- Killer Klowns From Outer Space (1988)
PG-13 | Comedy/Science fiction
- Kingdom of the Planet of the Apes (2024)
PG-13 | Action/Science fiction
- Kin (2018)
PG-13 | Action/Science fiction
- Knowing (2009)
PG-13 | Science fiction/Thriller
- Kombucha
NR | Comedy/Science fiction
- Kaboom (2011)
NR | Science fiction/Comedy drama
- Kids vs. Aliens (2022)
NR | Science fiction/Holiday
- Killers From Space (1954)
NR | Science fiction
- Konga (1961)
NR | Science fiction/Thriller
- King Dinosaur
NR | Science fiction
- The Killer Shrews
NR | Science fiction/Horror
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