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My Stepmother is an Alien Poster

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Movie Facts

Status: Released

Runtime: 108

Budget: $20,000,000

Revenue: $13,854,000

Language: en

Webpage: -

Release Info

  •  PG-13

  • 1989-03-09

Plot Keywords

Alternative Titles

  • J'ai épousé une extra-terrestre
  • Ho sposato un'aliena
  • La meva noia és una extraterrestre
Content Score: 100

5.4/10 (47 votes)


Trying to rescue her home planet from destruction, a gorgeous extraterrestrial named Celeste arrives on Earth and begins her scientific research. She woos quirky scientist Dr. Steve Mills, a widower with a young daughter. Before long, Celeste finds herself in love with Steve and her new life on Earth, where she experiences true intimacy for the first time. But when she loses sight of her mission, she begins to question where she belongs.


Man's closest encounter.


Director: Richard Benjamin
Writers: , ,

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Dan Aykroyd

Dan Aykroyd
as Steven Mills

Kim Basinger

Kim Basinger
as Celeste Martin

Jon Lovitz

Jon Lovitz
as Ron Mills

Alyson Hannigan

Alyson Hannigan
as Jessie Mills

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