| 100% | UFO | 3 | 1970s ITV science-fiction series created by Gerry and Sylvia Anderson |
| 100% | UFO | 3 | 1970s ITV science fiction series created by Gerry and Sylvia Anderson |
| 48% | THUNDERBIRDS | 12 | 1960s ITV puppet series featuring the Tracy family devised by Sylvia and Gerry Anderson |
| 41% | THINGS | 6 | "Stranger ___," Netflix original science fiction series created by the Duffer Brothers |
| 37% | THETOMORROW | 11 | & 17A 1970s ITV children's science fiction series starring Nicholas Young and Elizabeth Adare |
| 36% | THRILLER | 8 | 1970s ITV drama series created by Brian Clemens |
| 35% | BLACK | 5 | "___ Mirror," Netflix series created series by Charlie Brooker which is a science fiction anthology |
| 32% | TEKWAR | 6 | Science-fiction novel series created by William Shatner |
| 32% | GIRLS | 5 | HBO series created by and starring Lena Dunham |
| 32% | ATLANTA | 7 | FX series created by and starring Donald Glover |
| 30% | EVER | 4 | "Never Have I ___" (Netflix series created by Mindy Kaling and Lang Fisher) |
| 30% | EVER | 4 | "Never Have I __": Netflix series created by Mindy Kaling and Lang Fisher |
| 30% | AFAMILYATWAR | 12 | 1970s ITV drama series starring Colin Douglas and Barbara Flynn |
| 30% | NOHONESTLY | 10 | 1970s ITV comedy series starring John Alderton and Pauline Collins |
| 30% | UPSTAIRS | 8 | 1970s ITV drama series starring Gordon Jackson and David Langton |
| 30% | STARFOX | 7 | The —, 1965 science fiction novel by Poul Anderson |
| 30% | STARTREK | 8 | Long-running science fiction TV series and movies |
| 30% | POPE | 4 | "Battle ___," independent superhero comic book series created by Robert Kirkman and Tony Moore |
| 30% | LENSMAN | 7 | Science fiction book series by Edward Elmer Smith including prequel Triplanetary |
| 29% | SKYWARD | 7 | Science fiction series by 24-Across/40-Across about a fighter pilot on a ruined planet |
| 29% | PACKED | 6 | "___ to the Rafters," Australian comedy TV series created by Jo Porter and Anthony Ellis |
| 29% | BUPKIS | 6 | TV series created by and starring Pete Davidson that is based on his life |
| 29% | LENSMAN | 7 | Science fiction book series by Edward Elmer Smith including the prequel Triplanetary |
| 29% | FAERIE | 6 | “___ Tale Theatre” (TV series created and hosted by Shelley Duvall) |
| 29% | DALE | 4 | "Chip 'n ___: Rescue Rangers," American animated comedy series created by Tad Stones and Alan Zaslove |
| 29% | DOO | 3 | "The Scooby-___ Show," American animated mystery comedy series created by Joe Ruby and Ken Spears |
| 28% | THEORVILLE | 10 | Sci-fi TV series created by and starring Seth MacFarlane as Captain Ed Mercer (2 wds.) |
| 28% | SEINFELD | 8 | TV series created by and starring stand-up comedian Jerry as a fictional version of himself |