| Sci-fi locale | 13 |
| Sci-fi locale where "shazbot" is a profanity | 54 |
| Sci-fi machine | 14 |
| Sci-fi maid, maybe | 18 |
| Sci-fi man/machine | 18 |
| Sci-fi mariner | 14 |
| Sci-fi master | 13 |
| Sci-fi menace of '58 | 24 |
| Sci-fi menace of the '50s | 29 |
| Sci-fi monster | 14 |
| Sci-fi monster movie that was Steve McQueen's first starring role | 69 |
| Sci-fi movie | 12 |
| Sci-fi movie about gender discrimination? | 41 |
| Sci-fi movie creature | 21 |
| Sci-fi movie of 2001 | 20 |
| Sci-fi novel made into a 1984 cult film | 39 |
| Sci-fi novelist ___ S. Tepper | 29 |
| Sci-fi novelist ___ Scott Card | 30 |
| Sci-fi objects | 14 |
| Sci-fi oddity | 13 |
| Sci-fi or fantasy | 17 |
| Sci-fi or horror | 16 |
| Sci-fi or romance | 17 |
| Sci-fi or suspense, e.g. | 24 |
| Sci-fi or western | 17 |
| Sci-fi passage | 14 |
| Sci-fi people | 13 |
| Sci-fi phenomenon | 17 |
| Sci-fi phenomenon that could change history | 43 |
| Sci-fi physician played by DeForest Kelley | 42 |
| Sci-fi pic starring Tommy Lee Jones and Will Smith, for short | 61 |
| Sci-fi pilot Solo | 17 |
| Sci-fi pioneer | 14 |
| Sci-fi pioneer Jules | 20 |
| Sci-fi pioneer Verne | 20 |
| Sci-fi planet inhabitants | 25 |
| Sci-fi play from 1921 | 21 |
| Sci-fi play of 1921 | 19 |
| Sci-fi play of 1923 | 19 |
| Sci-fi play that introduced "robot" | 45 |
| Sci-fi play written in Czech | 28 |
| Sci-fi portal | 13 |
| Sci-fi power | 12 |
| Sci-fi prefix | 13 |
| Sci-fi preservation technique | 29 |
| Sci-fi primates | 15 |
| Sci-fi princess | 15 |
| Sci-fi princess with a "cinnamon bun" hairdo | 54 |
| Sci-fi psychic | 14 |
| Sci-fi race | 11 |
| Sci-fi race with a gray-colored heart | 37 |
| Sci-fi regular | 14 |
| Sci-fi regulars | 15 |
| Sci-fi remake? | 14 |
| Sci-fi remakes? | 15 |
| Sci-fi robot | 12 |
| Sci-fi role | 11 |
| Sci-fi role for Buster Crabbe | 29 |
| Sci-fi role for Natalie Portman | 31 |
| Sci-fi role starting in 1966 | 28 |
| Sci-fi royal | 12 |
| Sci-fi sage | 11 |
| Sci-fi saucer | 13 |
| Sci-fi saucers | 14 |
| Sci-fi saucers: Abbr. | 21 |
| Sci-fi scenario | 15 |
| Sci-fi serial hero | 18 |
| Sci-fi series about people with special powers | 46 |
| Sci-fi series featuring Will Robinson | 37 |
| Sci-fi series set in the 23rd century | 37 |
| Sci-fi series written by William Shatner | 40 |
| Sci-fi servant | 14 |
| Sci-fi servant, sometimes | 25 |
| Sci-fi setting | 14 |
| Sci-fi setting, often | 21 |
| Sci-fi ships | 12 |
| Sci-fi shot | 11 |
| Sci-fi shots | 12 |
| Sci-fi show costarring June Lockhart | 36 |
| Sci-fi show with companions, casually | 37 |
| Sci-fi sidekick, maybe | 22 |
| Sci-fi sidekick, often | 22 |
| Sci-fi sidekick, sometimes | 26 |
| Sci-fi sight | 12 |
| Sci-fi sighting | 15 |
| Sci-fi sightings | 16 |
| Sci-fi sightings: Abbr. | 23 |
| Sci-fi sights | 13 |
| Sci-fi site | 11 |
| Sci-fi skill | 12 |
| Sci-fi skipper | 14 |
| Sci-fi sky sighting | 19 |
| Sci-fi sky sights | 17 |
| Sci-fi smuggler | 15 |
| Sci-fi sound | 12 |
| Sci-fi sound effect | 19 |
| Sci-fi space travelers | 22 |
| Sci-fi space vehicles | 21 |
| Sci-fi spacecraft | 17 |
| Sci-fi speed | 12 |