There is a total of 13705 clues beginning with sc
- Sci-fi series about people with special powers
- Sci-fi series extras
- Sci-fi series featuring Will Robinson
- Sci-fi series of the '60s (with "The")
- Sci-fi series set in the 23rd century
- Sci-fi servant
- Sci-fi servant, perhaps
- Sci-fi servant, sometimes
- Sci-fi setting
- Sci-fi setting that's curtains for visitors?
- Sci-fi setting, often
- Sci-fi SFX
- Sci-fi ship
- Sci-fi ships
- Sci-fi shocker
- Sci-fi shooter
- Sci-fi shot
- Sci-fi shots
- Sci-fi show costarring June Lockhart
- Sci-fi show with companions, casually
- Sci-fi sidekick or a hint to 20- and 34-Across
- Sci-fi sidekick or a hint to 42- and 53-Across
- Sci-fi sidekick, maybe
- Sci-fi sidekick, often
- Sci-fi sidekick, possibly
- Sci-fi sidekick, sometimes
- Sci-fi sight
- Sci-fi sighting
- Sci-fi sightings
- Sci-fi sightings: Abbr
- Sci-fi sights
- Sci-fi skipper
- Sci-fi sky journey
- Sci-fi sky sighting
- Sci-fi smash
- Sci-fi smuggler
- Sci-fi Solo
- Sci-fi sound
- Sci-fi sound effect
- Sci-fi space travelers
- Sci-fi space vehicles
- Sci-fi space voyagers
- Sci-fi spacecraft
- Sci-fi spaceman
- Sci-fi spaceship
- Sci-fi spin-off before "DS9"
- Sci-fi spin-off before "DSN"
- Sci-fi sport-or song?
- Sci-fi stalkers
- Sci-fi standout
- Sci-fi staple
- Sci-fi staples
- Sci-fi star who hosted the documentary series "In Search of "
- Sci-fi stock character
- Sci-fi story premise
- Sci-fi stranger
- Sci-fi strip
- Sci-fi stunner
- Sci-fi stunners
- Sci-fi sub captain
- Sci-fi sub skipper
- Sci-fi subgenre
- Sci-fi subgenre with "retrofuturistic" technology
- Sci-fi subject
- Sci-fi subject, or a 1970's dance
- Sci-fi subjects
- Sci-fi subjects, for short
- Sci-fi suffix
- Sci-fi suffix for human
- Sci-fi supercomputer
- Sci-fi superweapon
- Sci-fi syntax snubber
- Sci-fi talent
- Sci-fi terrorizer
- Sci-fi thriller starring Sigourney Weaver
- Sci-fi time distortion
- Sci-fi title character, often
- Sci-fi trading posts
- Sci-fi transport
- Sci-fi transportation
- Sci-fi transporter
- Sci-fi transports
- Sci-fi travel conveniences
- Sci-fi travel medium
- Sci-fi travel term
- Sci-fi travelers
- Sci-fi travelers, for short
- Sci-fi TV series before "DS9"
- Sci-fi TV show
- Sci-fi TV show of 1992-94
- Sci-fi valet, maybe
- Sci-fi vehicle
- Sci-fi vehicle: Abbr
- Sci-fi vehicles
- Sci-fi vehicles, for short
- Sci-fi vehicles: Abbr
- Sci-fi velocity
- Sci-fi version of "The Tempest"
- Sci-fi vessel
- Sci-fi villain