| 100% | ALIENS | 6 | 1986 sci-fi movie starring Weaver as Ripley |
| 55% | ALIEN | 5 | Sci-fi movie that starred Sigourney Weaver |
| 50% | THRESHOLD | 9 | 1981 sci-fi movie starring Jeff Goldblum as a research scientist |
| 47% | ALIEN | 5 | First of a series of sci-fi movies starring Sigourney Weaver |
| 44% | BLUEVELVET | 10 | 1986 David Lynch movie starring Isabella Rossellini as a lounge singer: 2 wds. |
| 43% | SIGOURNEY | 9 | Movie star weaver |
| 43% | SPECIES | 7 | Sci-fi movie from 1995 starring Natasha Henstridge |
| 43% | ALIEN | 5 | Sci-fi classic starring Sigourney Weaver |
| 43% | ALIENS | 6 | Sci-fi sequel starring Sigourney Weaver |
| 42% | THEMATRIX | 9 | Sci-fi movie franchise starring Keanu Reeves: 2 wds. |
| 41% | ALIEN | 5 | Sigourney Weaver sci-fi movie |
| 41% | PROMETHEUS | 10 | 2012 sci-fi movie starring Idris Elba |
| 41% | AEONFLUX | 8 | 2005 sci-fi movie starring Charlize Theron |
| 41% | LIMITLESS | 9 | 2011 sci-fi movie starring Bradley Cooper |
| 40% | ALIEN | 5 | 1979 sci-fi hit starring Sigourney Weaver |
| 40% | ALIEN | 5 | 1979 sci-fi film starring Sigourney Weaver |
| 40% | ALIENS | 6 | 1986 Sigourney Weaver sci-fi sequel |
| 40% | ALIENS | 6 | 1986 Sigourney Weaver sci-fi film |
| 39% | DUNE | 4 | 2021 sci-fi movie starring Timothée Chalamet and Zendaya |
| 39% | GATTACA | 7 | 1997 futuristic sci-fi movie starring Ethan Hawke |
| 39% | EDGE | 4 | "___ of Tomorrow," 2014 sci-fi drama movie starring Emily Blunt as Rita Vrataski |
| 39% | DIVERGENT | 9 | 2014 sci-fi movie with Zoë Kravitz as Tris's friend Christina |
| 39% | ADASTRA | 7 | 2019 Brad Pitt sci-fi movie whose title means "to the stars" |
| 39% | MOONSHOT | 8 | 2022 sci-fi romance starring Cole Sprouse as Walt |
| 39% | STARWARS | 8 | Mega sci fi movie franchise began in 1977 |
| 38% | CADILLACRECORDS | 15 | Movie starring Beyonce as Etta James |
| 38% | FLY | 3 | "The ___," 1986 sci-fi horror film starring Jeff Goldblum about a scientist whose experiment fails |
| 38% | WEIRD | 5 | "___ Science," 1985 sci-fi movie directed by John Hughes starring Anthony Michael Hall |
| 38% | TREK | 4 | Star ___ (sci-fi movie) |
| 38% | ALIEN | 5 | 1979 sci-fi film starring Tom Skerritt and Sigourney Weaver |