551 votes
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.

Status: Released
Released Date: 1988-12-09
Runtime: 108 mins
Director: Richard Benjamin
Writer: Herschel Weingrod, Timothy Harris, Jonathan Reynolds
Spoken language: English
Genres: Comedy, Science Fiction
Original title: My Stepmother Is an Alien
Production Companies: Weintraub Entertainment Group, The Catalina Production Group, Columbia Pictures
Production Countries: United States of America

Dan Aykroyd

Kim Basinger

Jon Lovitz

Alyson Hannigan

Joseph Maher

Seth Green

Ann Prentiss

Wesley Mann

Tony Jay

Peter Bromilow

Nina Henderson

Harry Shearer

Adrian Sparks

Juliette Lewis
W