My Stepmother Is an Alien
Directed by Richard Benjamin
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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Top 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
Frequently asked questions
Where can I watch My Stepmother Is an Alien online?
As of September 20, 2026, My Stepmother Is an Alien is available to stream on Howdy Amazon Channel, The Roku Channel, YouTube Free, and Tubi TV in United States. Use the country selector above to check availability in other regions — streaming rights are licensed per country, so catalogues differ.
Is My Stepmother Is an Alien on Netflix?
No — My Stepmother Is an Alien is not currently on Netflix in any of the countries we track. In United States it streams on Howdy Amazon Channel, The Roku Channel, YouTube Free, and Tubi TV instead.
Can I rent or buy My Stepmother Is an Alien online?
Yes. In United States, My Stepmother Is an Alien can be rented on Amazon Video, Apple TV Store, Google Play Movies, YouTube, Fandango At Home, and Spectrum On Demand and purchased on Amazon Video, Apple TV Store, Google Play Movies, YouTube, and Fandango At Home.
In which countries can I stream My Stepmother Is an Alien?
As of September 20, 2026, My Stepmother Is an Alien is included with a streaming subscription (or free with ads) in Russia and United States, among the countries we track.
Streaming availability last checked on September 20, 2026. Catalogues change frequently — data from TMDB and JustWatch.
