Film
My Stepmother Is an Alien
- Alien contact
- Fantasy
- Light-hearted
A cheerful 1988 sci-fi comedy where an alien woman (Kim Basinger) poses as a human to seduce a widowed scientist and save her planet. It's earnest and silly in equal measure, with genuine warmth beneath the fish-out-of-water jokes. Perfect for anyone who likes their sci-fi fluffy, their romance sincere, and their comedy broad.
If you liked this
Splash1984
Tom Hanks and Darryl Hannah navigate love across species with the same blend of heart and humor. A mermaid romance that takes its emotional core seriously while staying completely unpretentious about the premise.
But The romance can feel thin if you're watching for plot. It's fundamentally a one-joke premise stretched across two hours.

Ghostbusters II1989
Made by the same comedy sensibility, with similar stakes (save the world) and tone (goofy but not cynical). Aykroyd reunites with that particular brand of 80s supernatural comedy.
But It's widely considered inferior to the first film. The jokes land unevenly and some feel dated in ways that didn't age well.

Mannequin1987
Another 80s romance between human and impossible being, played completely straight by Andrew McCarthy. If you liked Celeste's sincerity despite the absurdity, this scratches that exact itch.
But It's genuinely weird in ways that some find uncomfortable. The romance hinges on an inanimate object gaining consciousness.

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The Adjustment Bureau2011
Both films hinge on romance as the force that rewrites the entire plot. Love isn't a subplot—it's the engine that decides what planet someone belongs on.
A romance across impossible boundaries (fate itself opposes the couple) with Damon and Emily Blunt. It takes the emotional core of alien-meets-human seriously while wrapping it in sci-fi mystery. The connection is structural: both films center on love as the thing that changes everything—including whether the protagonist stays or goes.
But It's considerably more serious in tone. If you want laughs, this will disappoint; it's playing for genuine stakes and emotional weight.

More like this (7)
Strange Invaders1983
An alien invasion comedy with real affection for its goofy premise. It has that same earnest-but-silly spirit, where characters treat impossible things as perfectly normal.
But The comedy is uneven and it lurches between tones. Some scenes are awkwardly unfunny; others land perfectly.

The Hidden1987
Alien-on-Earth premise played as noir action-comedy. Kyle MacLachlan and Michael Nouri have genuine chemistry and the film's weird tone is consistently entertaining.
But It's darker and more violent than you might expect. The body horror and gore could undercut the fun you're seeking.

Three O'Clock High1987
High school comedy with the same agreeably dumb energy. A teenager has to fight the new student and spends the whole day dreading it. Effortlessly charming.
But The plot is paper-thin. You're entirely dependent on the cast's likability, which won't be enough if you want substance.

Coming to America1988
Eddie Murphy as a fish-out-of-water royal searching for love in New York. It has the same warm heart and broader comedy beats, with a much bigger budget and more confident humor.
But It's a very different film—much sharper, sometimes crueler. If you want earnestness over edge, this sacrifices too much of that.

Troop Beverly Hills1989
Shelley Long learning to be a parent through Girl Scout leadership. Wholesomely ridiculous, with genuine stakes about family and belonging underneath the surface comedy.
But The humor is extremely broad and dated. It relies on 80s wealth-comedy tropes that don't land if you're not in the mood for it.

Liquid Dreams1991
Both feature a non-human woman learning humanity through intimate connection with a man, but Liquid Dreams flips it into something melancholic and strange. One is warmth; the other is unease. They're opposite registers of the same story.
A genuinely strange 90s neo-noir where a woman from the virtual world enters the real one. It has that same fish-out-of-water premise but treats it as existential rather than cute—surreal, unsettling, completely singular.
But It's slow, weird, and the dialogue is occasionally impenetrable. It will feel like a slog if you're looking for the 80s lightness of the original.

Santa Sangre1989
Both ask: where do you belong when you love someone on the other side of an impossible divide? But where My Stepmother answers warmly, this one answers in blood and surrealism.
A surreal horror film where a woman raised by circus performers returns to her lover. It has that same premise of impossible love and belonging, but Jodorowsky transposes it into dreamlogic and nightmare. If you can sit with weirdness, it's hypnotic.
But It's genuinely disturbing. There's graphic violence and sexual trauma. Nothing about it is light or comedic—it's genuinely challenging to watch.

People
Cast
Dan AykroydSteven Mills
Kim BasingerCeleste Martin
Jon LovitzRon Mills
Alyson HanniganJessie Mills
Joseph MaherLucas Budlong
Seth GreenFred Glass
Ann PrentissBag (voice)
Wesley MannGrady
Tony JayCouncil Chief
Peter BromilowSecond in Command- Nina HendersonCashier
Harry ShearerCarl Sagan (voice)
Directing
- Richard BenjaminDirector
- Dick ZikerSecond Unit Director
Writing
- JericoScreenplay
- Herschel WeingrodWriter
- Jonathan ReynoldsWriter
- Timothy HarrisWriter
Production
- Art LevinsonExecutive Producer
- Jerry WeintraubExecutive Producer
- Laurence MarkExecutive Producer
- Franklin R. LevyProducer
- Ronald ParkerProducer