There is a total of 13705 clues beginning with sc
- Sci-fi characters
- Sci-fi characters with a "Dresden-china type of prettiness"
- Sci-fi characters, for short
- Sci-fi characters, often (Abbr)
- Sci-fi characters: Abbr
- Sci-fi classic
- Sci-fi classic featuring Dr Susan Calvin
- Sci-fi classic featuring the Three Laws
- Sci-fi classic made into a 2004 film starring Will Smith
- Sci-fi classic of 1954
- Sci-fi classic of 1966
- Sci-fi classic of 1979
- Sci-fi classic set on a desert planet
- Sci-fi classic set on an arid world
- Sci-fi classic that introduced Princess Leia
- Sci-fi classic, familiarly
- Sci-fi classic: 1954
- Sci-fi collection featuring the "Three Laws"
- Sci-fi collection first published in 1950
- Sci-fi command center
- Sci-fi command site
- Sci-fi comprehension
- Sci-fi computer
- Sci-fi computer name incorrectly claimed to be a one-letter shift
- Sci-fi computer name not derived from IBM
- Sci-fi concept
- Sci-fi conventioneer, perhaps
- Sci-fi council member
- Sci-fi counselor played by Marina Sirtis
- Sci-fi cow's secret weapon?
- Sci-fi craft
- Sci-fi crafts
- Sci-fi creations
- Sci-fi creature
- Sci-fi creature whose language is based on the Chinese dialect Kalmyk
- Sci-fi creatures
- Sci-fi creatures who arranged each set of circled letters?
- Sci-fi creatures: Abbr
- Sci-fi crew
- Sci-fi crew members
- Sci-fi crew members (Abbr)
- Sci-fi crew members, for short
- Sci-fi crime lord
- Sci-fi cult classic of 1974
- Sci-fi danger
- Sci-fi debut of 1921
- Sci-fi defense
- Sci-fi destination
- Sci-fi device
- Sci-fi disturbances
- Sci-fi docking stations
- Sci-fi Doctor
- Sci-fi drama on NBC
- Sci-fi drama set at an island factory
- Sci-fi droid
- Sci-fi drug
- Sci-fi duplicate
- Sci-fi earthling
- Sci-fi effects
- Sci-fi effects that are beyond stunning
- Sci-fi emergency vessel
- Sci-fi empath
- Sci-fi empath Deanna
- Sci-fi enemy
- Sci-fi enemy collective, perhaps
- Sci-fi energy source
- Sci-fi escape craft
- Sci-fi escape device
- Sci-fi escape ships
- Sci-fi escape unit
- Sci-fi escape vehicle
- Sci-fi escape vehicles
- Sci-fi escape vessels
- Sci-fi extra
- Sci-fi extras
- Sci-fi fabrication
- Sci-fi facility
- Sci-fi figure
- Sci-fi figures
- Sci-fi figures named in letter-number combinations
- Sci-fi film about giant ants
- Sci-fi film classic
- Sci-fi film extra
- Sci-fi film extra, sometimes
- Sci-fi film extras
- Sci-fi film franchise
- Sci-fi film FX
- Sci-fi film FX, often
- Sci-fi film menace of '58
- Sci-fi film of '58
- Sci-fi film of '58, with "The"
- Sci-fi film of '82
- Sci-fi film of '98
- Sci-fi film of 1954
- Sci-fi film of 1979
- Sci-fi film of 1982
- Sci-fi film of 1984
- Sci-fi film recognized with an Oscar for Technical Achievement 15 years after it was released
- Sci-fi film remade in 2001
- Sci-fi film series of 1977, 1980 and 1983