The tone of science fictionfilms is often a guide to the tone of the times the film was made: other worlds and species are viewed in turn as wonderful, terrifying, threatening, incomprehensible, and childishly benign.
... a female householder with no husband present, and 16.2% are non-families. 12.0% of all households are made up of individuals and 3.4% have someone living alone who is 65 ...