“It owes the canon nothing.”
The movie pursues immediacy and audience pleasure without begging institutions to certify its worth.

My Stepmother Is an Alien
Comedy · Science Fiction · 1988
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.
My Stepmother Is an Alien
“She's gorgeous, and she's never been kissed. Needless to say, she's from another planet.”
Critical arithmetic
One number, for now.
Scores change. Arguments endure.
TMDB
5.8 / 10
Community rating
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.
What this film says about your taste.
Not a recommendation score. A measure of how closely the film’s taste signals resemble yours.
The archetype split
Who fights over My Stepmother Is an Alien?
The Popcorn Loyalist
“Big screen, big feelings, no apologies.”
Read their caseThe Prestige Tourist
“You like your greatness pre-approved.”
Read their objectionThe split comes from the same five-axis model used by the test, not audience ratings or review sentiment.
Nearby on the taste map.
TMDB supplies the candidates. CriticWise reorders them by craft, strangeness, prestige, emotion, and pace.
Watch in your region.
Cinema release signals and current streaming, rental, and purchase options for your region.
Streaming availability data supplied by JustWatch.
The people responsible.
Cast & crew
Directed by
Richard Benjamin
Written by
Herschel Weingrod · Timothy Harris · Jonathan Reynolds · Jerico
Put My Stepmother Is an Alien on trial.
Two incompatible taste archetypes. One film. Read the arguments, then issue a completely binding cultural ruling.
“Easy pleasure, short half-life.”
It moves efficiently through the moment but offers little reason to keep arguing once the credits end.






