PG-13

My Stepmother Is an Alien

She's gorgeous, and she's never been kissed. Needless to say, she's from another planet.

1988 • 108 min • Comedy · Science Fiction

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Synopsis

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.

Our family guide

Best from age 12

Movie Knight Score

613 reviews

58 Audience · 613 · 100%

An alien woman comes to Earth to save her planet, falling for a quirky scientist and his daughter. She experiences human emotions and family life, making her question her mission.

Violence & peril: 2/10
Language: 3/10
Drinking, drugs & smoking: 3/10
Romance & sensuality: 5/10
Scary moments: 1/10

Heads up

Some suggestive outfits
Brief alcohol consumption
Mild sci-fi peril

What it models well

Embracing differences
The meaning of family
Discovering love

Talk about it after

Understanding other cultures
What makes a family
Sacrifice for love

Written by the Movie Knight editorial team for My Stepmother Is an Alien. Our own words, our own scoring — always double-check against your family's standards.