My Stepmother Is an Alien (1988)

PG-13  |   |  Comedy, Sci-Fi  |  9 December 1988 (USA)
Your rating:
    1 2 3 4 5 6 7 8 9 10 -/10 X  
Ratings: 5.2/10 from 20,381 users  
Reviews: 53 user | 15 critic

An alien is sent on a secret mission to Earth, where she appears as a gorgeous, attractive, and single lady. Her mission is to make contact with a rather nerdy young scientist, who's quite ... See full summary »


Watch Trailer
0Check in

Watch Now

From $7.99 on Amazon Video

4 nominations. See more awards »



Learn more

People who liked this also liked... 

Blind Date (1987)
Comedy | Romance
    1 2 3 4 5 6 7 8 9 10 5.8/10 X  

Walter Davis is a workaholic. His attention is all to his work and very little to his personal life or appearance. Now he needs a date to take to his company's business dinner with a new ... See full summary »

Director: Blake Edwards
Stars: Kim Basinger, Bruce Willis, John Larroquette
Nadine (1987)
Comedy | Mystery | Romance
    1 2 3 4 5 6 7 8 9 10 5.5/10 X  

In 1950s Texas, a woman trying to recover sexy photos of herself and divorce her husband witnesses a murder and uncovers corrupt land dealings.

Director: Robert Benton
Stars: Jeff Bridges, Kim Basinger, Rip Torn
Drama | Romance | Thriller
    1 2 3 4 5 6 7 8 9 10 5.8/10 X  

A psychiatrist (Gere) has an affair with his patient's sister (Basinger) who is married to a Greek mobster (Roberts). The mobster is a tyrant over his wife. The psychiatrist wants her to ... See full summary »

Director: Phil Joanou
Stars: Richard Gere, Kim Basinger, Uma Thurman
Innerspace (1987)
Action | Adventure | Comedy
    1 2 3 4 5 6 7 8 9 10 6.7/10 X  

A hapless store clerk must foil criminals to save the life of the man who, miniaturized in a secret experiment, was accidentally injected into him.

Director: Joe Dante
Stars: Dennis Quaid, Martin Short, Meg Ryan
The Getaway (1994)
Action | Adventure | Crime
    1 2 3 4 5 6 7 8 9 10 5.7/10 X  

Doc McCoy is put in prison because his partners chickened out and flew off without him after exchanging a prisoner with a lot of money. Doc knows Jack Benyon, a rich "business"-man, is up ... See full summary »

Director: Roger Donaldson
Stars: Alec Baldwin, Kim Basinger, Michael Madsen
Coneheads (1993)
Comedy | Sci-Fi
    1 2 3 4 5 6 7 8 9 10 5.2/10 X  

Aliens with conical crania crash land on Earth.

Director: Steve Barron
Stars: Dan Aykroyd, Jane Curtin, Robert Knott
Cocoon (1985)
    1 2 3 4 5 6 7 8 9 10 6.6/10 X  

When a group of trespassing seniors swim in a pool containing alien cocoons, they find themselves energized with youthful vigour.

Director: Ron Howard
Stars: Don Ameche, Wilford Brimley, Hume Cronyn
Dragnet (1987)
Comedy | Crime
    1 2 3 4 5 6 7 8 9 10 5.9/10 X  

The equally-straight-laced and "by the book" nephew of Joe Friday must work with his more laid-back partner to solve a mystery.

Director: Tom Mankiewicz
Stars: Dan Aykroyd, Tom Hanks, Christopher Plummer
Crime | Drama | Thriller
    1 2 3 4 5 6 7 8 9 10 5.4/10 X  

A woman is released from prison, an expert bank robber who wants to settle down and go straight, but her parole officer and her former employer try to get her to pull one more heist.

Director: Russell Mulcahy
Stars: Kim Basinger, Val Kilmer, Terence Stamp
Spies Like Us (1985)
Adventure | Comedy
    1 2 3 4 5 6 7 8 9 10 6.3/10 X  

Two bumbling government employees think they are U.S. spies, only to discover that they are actually decoys for Nuclear War.

Director: John Landis
Stars: Chevy Chase, Dan Aykroyd, Steve Forrest
Splash (1984)
Comedy | Fantasy | Romance
    1 2 3 4 5 6 7 8 9 10 6.2/10 X  

A young man is reunited with a mermaid who saves him from drowning as a boy and falls in love not knowing who/what she is.

Director: Ron Howard
Stars: Tom Hanks, Daryl Hannah, Eugene Levy
Comedy | Romance
    1 2 3 4 5 6 7 8 9 10 5.8/10 X  

After a single, career-minded woman is left on her own to give birth to the child of a married man, she finds a new romantic chance in a cab driver. Meanwhile the point-of-view of the newborn boy is narrated through voice over.

Director: Amy Heckerling
Stars: John Travolta, Kirstie Alley, Olympia Dukakis


Cast overview, first billed only:
Ann Prentiss ...
The Voice of Bag (voice)
Council Chief
Peter Bromilow ...
Second in Command
Nina Henderson ...
Carl Sagan (voice)
Dr. Morosini
Tanya Fenmore ...


An alien is sent on a secret mission to Earth, where she appears as a gorgeous, attractive, and single lady. Her mission is to make contact with a rather nerdy young scientist, who's quite overwhelmed by her attentions, and isn't aware of the connection between her arrival and his work. Written by Murray Chapman <>

Plot Summary | Add Synopsis


A million lightyears from home, she's found a husband, a stepdaughter and a dog. When she finds out about sex, she may just stay for weekend. See more »


Comedy | Sci-Fi


PG-13 | See all certifications »

Parents Guide:





Release Date:

9 December 1988 (USA)  »

Also Known As:

Mi novia es una extraterrestre  »

Filming Locations:


Box Office


$20,000,000 (estimated)


$13,854,000 (USA)

Company Credits

Show detailed on  »

Technical Specs


Sound Mix:


Aspect Ratio:

1.85 : 1
See  »

Did You Know?


Juliette Lewis' film debut. See more »


When Celeste removes eggs from the pan, boiling water drips onto the glowing electric element, yet it doesn't hiss and steam. See more »


Alien leader: Earthmen will fall to their knees, betray their country and give away valuable real estate for a desirable woman.
See more »

Crazy Credits

After all the credits roll, Jimmy Durante rather, his ghost] says "Goodnight Mrs. Calabash, whereever you are" See more »


Features The Man Who Came to Dinner (1942) See more »


Pump Up The Volume
Written by Steve Young and Martyn Young (as Martin Young)
Performed by Marrs (as M.A.R.R.S.)
Courtesy of 4th And Broadway Records
A division of Island Records
By license from 4 A.D. Records
See more »

Frequently Asked Questions

See more (Spoiler Alert!) »

User Reviews

Now That's A Nice-Lookin' Alien!
3 November 2006 | by (United States) – See all my reviews

I don't believe in aliens, but one ever existed and I ran into it, I hope it looks like Kim Bassinger!

Ditsy but humorous in spots and a generally likable movie is how I saw this film. Basinger hardly ever looked better, which is saying a lot. At the time, it was unusual to see her in a comedy after viewing her in tough crime or sex-type movies for awhile. (I didn't see this film until 10 years after it had been released.) She's a decent comedienne, like her ex-husband (Alec Baldwin) has turned out to be, too.

The comedy is more chuckles than guffaws. There is the usual too-liberal "values" espoused here, in which sex on the first date is "cool," even considered that b the teen daughter! The latter, however, "Jessie" (Alyson Hannigan) is a cute kid and not annoying as most teen girls on in modern-day films. The casual sex and general secular attitude toward everything including that "science is everything" were all annoying to me but it's still a likeble movie. The profanity isn't too much, except by Jon Lovitz, who provides much of it. In all, a dumb story but a nice, feel-good ending helps.

18 of 30 people found this review helpful.  Was this review helpful to you?

Message Boards

Recent Posts
Does anyone like this moive?? OoohBabyBaby
Have you ever left the movie house early? jon-601
if you can answer this, you're good... homesick251960
Weird movie but... GreyRoBoT
Sex scene song lvthomas-1
Intro song???? Ike-NL
Discuss My Stepmother Is an Alien (1988) on the IMDb message boards »

Contribute to This Page

Create a character page for: