- Spaceballs (1987)
PG | Comedy/Science fiction
- Soylent Green (1973)
PG | Science fiction/Mystery
- Superman II (1980)
PG | Action/Science fiction
- Star Kid (1998)
PG | Science fiction/Children
- Somewhere in Time (1981)
PG | Romance/Science fiction
- Swamp Thing (2000)
PG | Science fiction/Horror
- Star Trek III: The Search for Spock (1984)
PG | Comedy/Drama
- Star Trek V: The Final Frontier (1989)
PG | Action/Science fiction
- Star Trek II: The Wrath of Khan (1982)
PG | Drama/Action
- Strange Invaders (1983)
PG | Science fiction
- Star Trek: Insurrection (1998)
PG | Romance/Action
- Superman III (2001)
PG | Action/Science fiction
- Superman: The Movie (1978)
PG | Action/Science fiction
- Son of Godzilla (1967)
PG | Science fiction
- Sky Captain and the World of Tomorrow (2004)
PG | Action/Science fiction
- Star Trek IV: The Voyage Home (1986)
PG | Comedy/Drama
- Star Trek Generations (1994)
PG | Action/Science fiction
- Supergirl (2000)
PG | Action/Science fiction
- Star Trek VI: The Undiscovered Country (1991)
PG | Crime drama/Action
- Sputnik (2020)
NR | Science fiction/Horror
- Sequence Break
NR | Science fiction/Horror
- Settlers (2021)
NR | Science fiction/Thriller
- The Satan Bug (1965)
NR | Science fiction
- Space Probe Taurus
NR | Science fiction
- Slash/Back (2022)
NR | Science fiction/Horror
- Sea Fever (2019)
NR | Science fiction/Horror
- Species: The Awakening (2007)
NR | Science fiction/Thriller
- Somnium
NR | Drama/Science fiction
- Sin origen
NR | Action/Science fiction
- The Silent Planet (2024)
NR | Science fiction/Thriller
- She Loved Blossoms More (2025)
NR | Science fiction/Horror