Human-alien encounters 57 Good and evil 39 Superheroes 37 Extraterrestrial beings 36 Feature films 36 Interplanetary voyages 32 Time travel 30 Gehiago ... Man-woman relationships 28 Life on other planets 27 Video recordings for the hearing impaired 27 Heroes 23 Robots 23 Cyborgs 19 Longs métrages 19 Science fiction films 19 Space warfare 19 Drama 18 Androids 16 Survival 16 Artificial intelligence 15 Films de science-fiction 14 Monsters 14 Seres extraterrestres 14 Astronauts 13 Scientists 12 Space flight 12 Apes 11 Enemies 11 Viajes interplanetarios 10 Closed caption video recordings 9 gutxiago ...