My Stepmother Is an Alien poster

Where to watch

Each link opens a search on that service. Checked 13 October 2026.

Streaming data from JustWatch

My Stepmother Is an Alien

1988 · Movie · 108 min
F

MEANRANK

44/100

Averaged across 9 ratings · 83.7K votes

Compare Trailer

A widowed scientist accidentally summons a beautiful alien to Earth while attempting to communicate with deep space. To avoid suspicion, she poses as a human and marries him, attempting to complete her mission to save her dying planet. Her attempts to understand human customs and emotions lead to a series of comedic mishaps, all while she develops genuine feelings for her new family, complicating her original objective.

Details

Released
9 December 1988
Country
United States
Language
English
Runtime
108 min
Rated
PG-13
Budget
$20.0M
Box office
$13.9M

This title elsewhere