- Starship Troopers (1997)
R | Action/Science fiction
- Splice (2010)
R | Science fiction/Horror
- The Shape of Water (2017)
R | Drama/Romance
- Steel Dawn (1987)
R | Science fiction
- Scanners (1981)
R | Science fiction/Horror
- Space Probe Taurus
NR | Science fiction
- Santa Claus Conquers the Martians (1964)
NR | Science fiction/Holiday
- Space Babes From Outer Space
NR | Comedy/Science fiction
- Split Rock
NR | Science fiction/Horror
- Slash/Back (2022)
NR | Science fiction/Horror
- Somnium
NR | Drama/Science fiction
- The Silent Planet (2024)
NR | Science fiction/Thriller
- She Loved Blossoms More (2025)
NR | Science fiction/Horror
- The Satan Bug (1965)
NR | Science fiction
- Shocking Dark (1991)
NR | Action/Science fiction
- Sputnik (2020)
NR | Science fiction/Horror
- Sol Invictus
NR | Science fiction
- Spelonk
NR | Science fiction
- Sequence Break
NR | Science fiction/Horror
- Settlers (2021)
NR | Science fiction/Thriller
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