My Stepmother Is an Alien
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.
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Based on audience scoresWhere to stream My Stepmother Is an Alien
Streaming now in the United States on Howdy Amazon Channel, The Roku Channel, YouTube Free, and Tubi TV.
Rent or buy in the United States on Amazon Video, Apple TV Store, Google Play Movies, YouTube, Fandango At Home, and Spectrum On Demand.
Trailer
Mi Novia Es Una Extraterrestre (1988) Trailer
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Frequently asked questions about My Stepmother Is an Alien
Where can I watch My Stepmother Is an Alien in the United States?
My Stepmother Is an Alien is available to stream on Howdy Amazon Channel, The Roku Channel, YouTube Free, and Tubi TV in the United States, and to rent or buy on Amazon Video, Apple TV Store, Google Play Movies, YouTube, Fandango At Home, and Spectrum On Demand. Streaming availability is provided by JustWatch and can change over time.
Can I watch My Stepmother Is an Alien for free?
My Stepmother Is an Alien streams free with ads in the United States on The Roku Channel, YouTube Free, and Tubi TV. A subscription is not required, though the service may ask you to register.
What are the ratings for My Stepmother Is an Alien?
My Stepmother Is an Alien scores 5.8 on The Movie Database, 5.4 on IMDb, 31% on Rotten Tomatoes, and 62 on Metacritic.
Who stars in My Stepmother Is an Alien?
My Stepmother Is an Alien stars Dan Aykroyd, Kim Basinger, Jon Lovitz, Alyson Hannigan, and Joseph Maher. Richard Benjamin is the director.
How long is My Stepmother Is an Alien?
My Stepmother Is an Alien runs 1h 48m (108 minutes).
When did My Stepmother Is an Alien come out?
My Stepmother Is an Alien was released on December 9, 1988.
Which studio made My Stepmother Is an Alien?
My Stepmother Is an Alien was produced by Weintraub Entertainment Group and The Catalina Production Group in the United States.
What was the budget for My Stepmother Is an Alien?
My Stepmother Is an Alien was made on a budget of $20,000,000.
How much did My Stepmother Is an Alien make at the box office?
My Stepmother Is an Alien grossed $13,854,000 worldwide, against a budget of $20,000,000.
Ratings and streaming availability are aggregated from third-party sources; metadata from The Movie Database (TMDB), streaming data from JustWatch. This product uses the TMDB API but is not endorsed or certified by TMDB. Streaming availability checked September 2026.