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.
... 55.2% are married couples living together, 9.2% have a female householder with no husband present, and 30.7% are non-families. 22.6% of all households are made up of ...