A million lightyears from home, she's found a husband, a stepdaughter and a dog. When she finds out about sex, she may just stay for weekend.
An alien is sent on a secret mission to Earth, where she appears as a gorgeous, attractive, and single lady...
1.85 : 1
Space, Scientist, Alien, Secret, Whimsical
Sci-Fi Comedy, Domestic Comedy
Benign Aliens, Fish Out of Water
Easygoing, Goofy, Silly, Whimsical, Light
Fantastic Reality, Just for Laughs
Has Detailed Data (New)
1, 2, 3
US Box Office
Country Of Origin
My Stepmother is an Alien is a 1988 American comedy science fiction film produced by the Weintraub Entertainment Group for release through Columbia Pictures, directed by Richard Benjamin and starring Dan Aykroyd and Kim Basinger, with featured performances by Jon Lovitz and Alyson Hannigan.
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