Watch My Stepmother Is an Alien (1988): rent on Apple TV+ or Fandango At Home. Compare all streaming options for this movie on WhereCanIWatch.tv.
My Stepmother Is an Alien
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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.
Kim Basinger glows with an otherworldly, wide-eyed charm that turns this 1980s sci-fi romp into something genuinely enchanting. It is a neon-soaked collision of suburban domesticity and bizarre galactic oddities.
Trailer
Director
Richard Benjamin
Cast
Dan Aykroyd, Kim Basinger, Jon Lovitz, Alyson Hannigan, Joseph Maher, Seth Green, Ann Prentiss, Wesley Mann, Tony Jay, Peter Bromilow
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4 options ranked by value · 🇺🇸 United States
Last verified 8 days ago
My Stepmother Is an Alien
Rent on Apple TV+ or buy on Apple TV+.
IMDb
5.8/10
RT Critics
20%
Metacritic
Director
Richard Benjamin
Cast
Dan Aykroyd, Kim Basinger, Jon Lovitz, Alyson Hannigan, Joseph Maher, Seth Green, Ann Prentiss, Wesley Mann, Tony Jay, Peter Bromilow
4 options ranked by value · 🇺🇸 United States
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Rent My Stepmother Is an Alien on Apple TV+. Rent My Stepmother Is an Alien on Fandango At Home. Buy My Stepmother Is an Alien on Apple TV+. Buy My Stepmother Is an Alien on Fandango At Home. My Stepmother Is an Alien is not currently available on Netflix, Hulu, Max, Disney+, Prime Video. Availability last verified July 11, 2026.