My Stepmother Is an Alien

1988 · Comedy, Science Fiction · 108 min

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.

Dan Aykroyd

Kim Basinger

Jon Lovitz

Alyson Hannigan

Joseph Maher

Seth Green

Ann Prentiss

Wesley Mann

Tony Jay

Peter Bromilow

Nina Henderson

Harry Shearer