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Poster for My Stepmother Is an Alien

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My Stepmother Is an Alien

She's gorgeous, and she's never been kissed. Needless to say, she's from another planet.

1988 · PG-13 · 1h 48m

Directed by Richard Benjamin

5.8

TMDB audience score
628 votes, out of 10

Trailer Where to watch

Synopsis

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.

Where to watch

Official options in the United States:

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  • Howdy Amazon Channel

Free with ads

  • The Roku Channel
  • YouTube Free
  • Tubi TV

Rent

  • Amazon Video
  • Apple TV Store
  • Google Play Movies
  • YouTube
  • Fandango At Home
  • Spectrum On Demand

Buy

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All options on TMDB

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Trailer

Play trailer: Mi Novia Es Una Extraterrestre (1988) Trailer

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Cast

  • Dan Aykroyd
    Steven Mills

  • Kim Basinger
    Celeste Martin

  • Jon Lovitz
    Ron Mills

  • Alyson Hannigan
    Jessie Mills

  • Joseph Maher
    Lucas Budlong

  • Seth Green
    Fred Glass

  • Ann Prentiss
    Bag (voice)

  • Wesley Mann
    Grady

  • Tony Jay
    Council Chief

  • Peter Bromilow
    Second in Command

  • Nina Henderson
    Cashier

  • Harry Shearer
    Carl Sagan (voice)

  • Adrian Sparks
    Dr. Morosini

  • Juliette Lewis
    Lexie

  • Tanya Fenmore
    Ellen

  • Karen Haber
    Kristy

  • Amy Kirkpatrick
    Kimberly

  • Suzie Plakson
    Tenley