My Stepmother is an Alien (1988)


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Science-Fiction, Comedy
1h 48min
Age rating


Dan Aykroyd
Steven Mills
Kim Basinger
Celeste Martin
Jon Lovitz
Ron Mills
Alyson Hannigan
Jessie Mills
Seth Green
Fred Glass
Harry Shearer
Carl Sagan (voice)
Ann Prentiss
The Voice of the Bag (voice)
Tony Jay
Council Chief
Joseph Maher
Lucas Budlong


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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