| 100% | BUCKROGERS | 10 | Sci-fi hero in the 25th century |
| 72% | BUCK | 4 | "___ Rogers in the 25th Century," 1979 American sci-fi series about an astronaut who emerges out of suspended animation |
| 60% | GIL | 3 | Gerard of "Buck Rogers in the 25th Century" |
| 58% | ANSARA | 6 | Michael who played Kane on “Buck Rogers in the 25th Century” |
| 57% | BUCKROGERS | 10 | Science fiction hero of the 25th century |
| 54% | BABYLON5 | 8 | Sci-fi series set in the 23rd century |
| 51% | ISLANDS | 7 | "___ in the Sky," 1952 sci-fi novel by Arthur C. Clarke that is set in the later half of the 21st century |
| 48% | HAN | 3 | Solo in the sci-fi sky |
| 47% | AJAX | 4 | Hero in the Trojan War |
| 47% | SETI | 4 | Institute in the 1997 sci-fi film "Contact" |
| 47% | CROPCIRCLES | 11 | Signs in the 2002 sci-fi film "Signs" |
| 46% | ANTS | 4 | Giant things in the 1954 sci-fi film "Them!" |
| 46% | NEO | 3 | Sci-fi hero of the early 2000s |
| 45% | ACTED | 5 | Served as hero in the film |
| 45% | NOAH | 4 | Actor Wyle who stars in the sci-fi series "Falling Skies" |
| 44% | MMLI | 4 | Year in the middle of this century |
| 44% | COLONIAL | 8 | Architecture developed in the early 17th century |
| 44% | ELIZAB | 6 | Like England in the late 16th century |
| 44% | UFO | 3 | Obscure object in the sky as portrayed in sci-fi films: Abbr. |
| 44% | USS | 3 | In sci-fi, it had the registry number NCC-1701 |
| 43% | HAMM | 4 | Actor Jon who plays a hologram in the sci-fi film "Marjorie Prime" |
| 43% | VINES | 5 | Red ___, licorice candy brand often referred to in the sci-fi series "Fringe" |
| 43% | WEAVER | 6 | Sigourney ___, American actress who featured in the 1986 sci-fi action film "Aliens" |
| 43% | JAMES | 5 | ___ Callis, actor who played Gaius Baltar in the sci-fi series "Battlestar Galactica" |
| 43% | KATEE | 5 | ___ Sackhoff, actress who played Kara Thrace in the sci-fi series "Battlestar Galactica" |
| 43% | MARY | 4 | ___ McDonnell, actress who played Laura Roslin in the sci-fi series "Battlestar Galactica" |
| 43% | GRACE | 5 | ___ Park, actress who played Number Eight in the sci-fi series "Battlestar Galactica" |
| 43% | HANSOLO | 7 | Sci-fi hero with the line "Never tell me the odds" |
| 43% | ALTAIRIV | 8 | The planet in the sci-fi classic "Forbidden Planet" |
| 42% | TRICIA | 6 | ___ Helfer, actress who played Number Six in the 2004 sci-fi series "Battlestar Galactica" |