Some "MIB" characters Subjects of some conspiracy theories Surprise fictional visitors Some "Doctor Who" creatures Saturn drivers? Sci-fi beings Sci-fi aviators Sci-fi extras Sci-fi invaders Sci-fi visitors Some "X-Files" characters Superman and Supergirl Sci-fi figures Sci-fi staples Search subjects for 100+ yrs. Saucer crew, for short SAT administrator Sci-fi figures Sci-fi staples "Star Wars" extras Sci-fi visitors Sci-fi characters Sci-fi characters, for short SAT org. Sci-fi sightings SAT developer Sci-fi characters: Abbr. Sci-fi creatures: Abbr. Staples in pulp mags Sci-fi beings Sci-fi beings, for short Sci-fi beings: Abbr. Subject for conspiracy theorists SAT company Sci-fi creatures Space invaders, for short Sci-fi figures Space aliens, for short Sci-fi group Sci-fi beings Space invaders, briefly Suffixes meaning "little." Small ones: Suffix. Saucer occupants, for short Sci-fi regulars Saucer's contents, for short Sci-fi creations Subjects for special fx artists Sci-fi villains, for short "Star Wars" walk-ons S.A.T. administrator S.A.T. org. Space invaders, for short Supposed crop circle makers, for short Saucer contents, for short Saucer contents, for short? S.A.T. administrators Sci-fi subjects, for short S.A.T. company Some "Star Trek" convention costumes Some characters in "The X Files," for short Some warriors in "War of the Worlds" Saucerful? Sci-fi invaders Saucer contents, in brief? Some "Stargate SG-1" characters, in brief Supposed makers of crop circles Some "Space Patrol" characters, for short SAT company Some "Men in Black" characters, for short Sci-fi figures Score keeper, for short? Subjects of an as-yet-fruitless search, briefly Stash finder Stash seeker Stash seeker Stinger? Stash finder Stash seeker Stupor: Prefix Sleep: Prefix Stupor: Comb. form Special agent Seeker of illicit 48-Across Snitch (on), in slang Stash hunter Snow seizer Stash finder So-far-undiscovered ones, briefly SAT org. Sci-fi visitors Stash finder "Star Wars" extras, for short Sci-fi C.G.I. creations Sightings in 11-Across Some characters on TV's "Futurama," briefly SAT corp. Sci-fi visitors Space aliens, for short Sci-fi figures Spacemen, for short "Sicario" character Sci-fi beings Spielberg's spacemen Sci-fi space voyagers Spaceship riders Stash hunter Some alleged abductors Some Trekkie costumes Some sci-fi pilots Short tabloid subjects Space invaders 'Sicario' character Sci-fi extras Space aliens, for short Sci-fi visitors Some aliens Space aliens Space creatures Sci-fi characters Sci-fi movie staples Stash seizer SAT org. Sci-fi invaders Spielberg alien and others SAT company Some spacemen Sci-fi creatures Some sci-fi creatures Space aliens (Abbr.) Space invaders, briefly "Star Wars" extras, for short Sci-fi beings, for short Sci-fi crew members Sci-fi figures Sci-fi movie extras Sci-fi visitors Sci-fi crew SAT developer Some "Roswell" characters Sci-fi film extras Sci-fi figures Saucer crew Sci-fi staples Snitch (on) Saucer travelers, for short Sci-fi flyers Space invaders, briefly Sci-fi visitors SAT org 'Star Wars' extras, for short Snitch (on), informally Some characters on TV's 'Futurama,' briefly Stash seizer Sci-fi C.G.I. creations Sightings in 11-Across Some finesse? Let's attempt to turn vulgar Saucer crew Sci-fi flyers Space invaders, briefly Saucer travelers, for short Sci-fi visitors Space aliens Space creatures Sci-fi movie staples Sci-fi characters "Star Wars" extras, for short Space aliens (Abbr.) Space invaders, briefly Saucer crew, for short 'Star Wars' extras, for short Sci-fi beings, for short Sci-fi visitors Sci-fi figures Sci-fi crew members Sci-fi movie extras Sci-fi invaders Subject for conspiracy theorists Saucer crew, for short SAT org Some Vonnegut characters SAT developer Sci-fi characters: Abbr Space aliens, for short Sci-fi staples Sci-fi beings: Abbr Sci-fi creatures, for short Subjects of some conspiracy theories Some "MIB" characters Surprise fictional visitors "Star Trek" staples "Star Wars" staples "Star Wars" extras Saturn drivers? Some "Doctor Who" creatures Sci-fi aviators Some "X-Files" characters Sci-fi extras Sci-fi invaders Sci-fi visitors Superman and Supergirl Search subjects for 100+ yrs Sci-fi staples Sci-fi figures Sci fi subjects Saucer crew, for short Space invaders, for short Saturn drivers? Some 'X-Files' characters Sci-fi aviators Sci-fi extras Sci-fi invaders Sci-fi visitors Superman and Supergirl Search subjects for 100+ yrs Sci-fi staples Sci-fi figures Sci-fi creatures: Abbr Sci-fi crew members, for short Saucer users, in brief Superman and Supergirl, for two Sci-fi characters, often (Abbr.) Space aliens: Abbr Sci-fi invaders Some toy dolls of the 1980s Sci-fi series extras Sci-fi series extras Sci-fi film extras Sci-fi crew members (Abbr.) SAT company Supposed crop circle makers, for short Space invaders, briefly Sci-fi beings, for short Subjects of some conspiracy theories, for short Short aliens? Short aliens? Sci-fi beings Sci-fi beings Sci-fi staples Stash seeker Stash finder Stash seeker Stinger? Start of an Iowa city name Some French Some along the Somme Some on the Somme Some French? "Salon ___ Refusés" (1863 art exhibition) Start of a Midwestern capital