| 100% | HUMANRACE | 9 | "Our" side in a sci-fi battle |
| 64% | ARMIES | 6 | Sides in a battle |
| 64% | LIONS | 5 | Side in a Colosseum battle |
| 64% | BRITAIN | 7 | Side in a 1940 battle |
| 64% | SEXES | 5 | Sides in a classic battle |
| 64% | SEXES | 5 | Sides in a perennial battle |
| 62% | SEXES | 5 | Sides in a long-running battle |
| 62% | SEXES | 5 | Two sides in a battle |
| 60% | SHE | 3 | One side in a battle of the sexes |
| 59% | ALIENRACE | 9 | Side opposite 41-Across in a sci-fi clash |
| 58% | ENEMY | 5 | Person who's on the opposing side in a battle |
| 57% | THEFORCE | 8 | It has a dark side, in sci-fi |
| 57% | SEXES | 5 | Sides in a societal "battle" |
| 56% | APES | 4 | Captors in a sci-fi classic |
| 56% | EMPATH | 6 | Feeler in a sci-fi novel |
| 56% | UFO | 3 | Craft in a sci-fi movie |
| 56% | LEIA | 4 | Princess in a sci-fi classic |
| 55% | UFO | 3 | Ship in a sci-fi story: Abbr. |
| 55% | TEK | 3 | Drug in a sci-fi novel series |
| 55% | STARGATE | 8 | Titular portal in a sci-fi show |
| 55% | GALACTICA | 9 | Titular ship in a sci-fi series |
| 55% | TEK | 3 | Drug in a sci-fi Shatner novel |
| 55% | ROBOT | 5 | Android in a sci-fi movie, say |
| 55% | APE | 3 | Caesar, in a sci-fi movie franchise |
| 55% | SEXES | 5 | Sides in a historic tennis "battle" |
| 54% | HANSOLO | 7 | Killer of Greedo in a sci-fi film |
| 54% | UFO | 3 | Spacecraft in a sci-fi movie, sometimes: Abbr. |
| 54% | APES | 4 | Heston's jailors, in a sci-fi film |
| 54% | APE | 3 | Dr. Cornelius, in a sci-fi film series |
| 54% | NEO | 3 | "The One," in a sci-fi film series |