I Married a Monster from Outer Space story

movie: I Married a Monster from Outer Space (1958) · 1958-09-10

A young wife that begins to realize that her husband is not the man he was before they married. He has lost all real affection for her and for his new pet dog, which she gave him as a present. Thereafter, she quickly discovers that he is not the only man in town that appears to have changed. Now suspicious, she follows him one evening when he goes out for a walk and shockingly discovers that her husband is actually an alien humanoid.

10 total · 7 major · 3 minor

ThemeLevelMotivation
disintegrating romantic relationship major Bill Farrell being replaced by an alien lookalike put a strain on his marriage to Marge.
husband and wife major Marge Farrell and Bill Farrell.
mass infertility major The aliens needed to mate with Human females in order to perpetuate their species because all their females had perished.
subversive life form from outer space major Aliens seeking Human females to mate with take over the bodies of men in a small American town.
what if a loved one became possessed by another being major Marge Farrell's husband Bill was replaced by an alien lookalike by an alien humanoid.
what if I told the truth and nobody would believe me major People were reluctant to believe Marge Farrell that aliens were taking over the men of her town.
what if people around me started behaving strangely one by one major The men of the town in which the film was set became occupied by aliens one by one.
emotionless emotion craving being minor The aliens were emotionless by nature but came to enjoy experiencing emotions after taking on Human form.
romantic love minor Marge Farrell and Bill Farrell before he was replaced by an alien humanoid lookalike.
sun going supernova minor The aliens had fled their home world in the Andromeda constellation before their sun went nova. After that all their women perished.