Wham-Bam-Thank You, Spaceman

Because their planet will be destroyed in 500 years, two goofy-looking aliens land on Earth and commence "Operation Procreation" with a stroll down Hollywood Boulevard. Liking what they see, the two extraterrestrials do what they do best--abduct Earth women for some quick, cheap flying saucer sex! Among the oddball side effects: the women are returned to Earth transformed into sexual dynamos and nine months later, a baby alien is born...