Movie
My Stepmother Is an Alien
She's gorgeous, and she's never been kissed. Needless to say, she's from another planet.
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.
Streaming, rental and purchase options
Where to watch in United States
Checked Sep 1, 2026
My Stepmother Is an Alien is available to stream on The Roku Channel, Tubi, and YouTube in United States. You can also rent or buy it from Amazon, Apple TV, Fandango at Home, Google Play, and Spectrum On Demand. Use the direct links below to open the provider.
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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.
More about My Stepmother Is an Alien
Cast
Dan AykroydSteven Mills
Kim BasingerCeleste Martin
Jon LovitzRon Mills
Alyson HanniganJessie Mills
Joseph MaherLucas Budlong
Seth GreenFred Glass
Ann PrentissBag (voice)
Wesley MannGradyCredits
- Directed by
- Richard Benjamin
- Written by
- Herschel Weingrod, Timothy Harris, Jonathan Reynolds, Jerico
Production details
- Status
- Released
- Original language
- English
- Budget
- $20M
- Box office
- $13.9M
Production
Weintraub Entertainment GroupUnited States- The Catalina Production Group
Themes
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