My Stepmother Is an Alien

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

5.7

|1988|108 min

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.

200ComedyScience Fiction

More Like This

Recommended for you

Mars Attacks!

6.4

1996

A fleet of Martian spacecraft surrounds the world's major cities and all of humanity waits to see if the extraterrestrial visitors have, as they claim, "come in peace." U.S. President James Dale receives assurance from science professor Donald Kessler that the Martians' mission is a friendly one. But when a peaceful exchange ends in the total annihilation of the U.S. Congress, military men call for a full-scale nuclear retaliation.

Explore Now

Star Trek: Insurrection

6.4

1998

Star Trek: Insurrection

6.4

1998

When an alien race and factions within Starfleet attempt to take over a planet that has "regenerative" properties, it falls upon Captain Picard and the crew of the Enterprise to defend the planet's people as well as the very ideals upon which the Federation itself was founded.

Explore Now

War of the Worlds

6.5

2005

War of the Worlds

6.5

2005

Ray Ferrier is a divorced dockworker and less-than-perfect father. Soon after his ex-wife and her new husband drop off his teenage son and young daughter for a rare weekend visit, a strange and powerful lightning storm touches down.

Explore Now

Predator

7.5

1987

Predator

7.5

1987

A team of elite commandos on a secret mission in a Central American jungle come to find themselves hunted by an extraterrestrial warrior.

Explore Now

About a Boy

6.7

2002

About a Boy

6.7

2002

Will Freeman is a good-looking, smooth-talking bachelor whose primary goal in life is avoiding any kind of responsibility. But when he invents an imaginary son in order to meet attractive single moms, Will gets a hilarious lesson about life from a bright, but hopelessly geeky 12-year-old named Marcus. Now, as Will struggles to teach Marcus the art of being cool, Marcus teaches Will that you're never too old to grow up.

Explore Now

K-PAX

7.2

2001

K-PAX

7.2

2001

Prot is a patient at a mental hospital who claims to be from a far away planet. His psychiatrist tries to help him, only to begin to doubt his own explanations.

Explore Now

Predator 2

6.3

1990

Predator 2

6.3

1990

A police chief in the war-torn streets of Los Angeles discovers that an extraterrestrial creature is hunting down residents - and that he is the next target.

Explore Now

The People

5.7

1972

The People

5.7

1972

A young woman is assigned to teach school in a secluded valley whose inhabitants appear stern, secretive and anti-pleasure. Following two children who disappear to play in the woods, she finds that this is actually a community of extraterrestrials with mild paranormal powers who are attempting to repress and deny their heritage for fear of arousing prejudice and hatred in their human neighbors. Based on a series of novels by the late Zenna Henderson.

Explore Now

But I Don't Want to Get Married!

10.0

1970

But I Don't Want to Get Married!

10.0

1970

An accountant is widowed after 18 years of marriage. He is dumbfounded to have a herd of marriage-minded women descend upon him.

Explore Now

Star Trek V: The Final Frontier

5.7

1989

Star Trek V: The Final Frontier

5.7

1989

A renegade Vulcan with a startling secret hijacks the U.S.S. Enterprise in order to find a mythical planet.

Explore Now

This Island Earth

6.0

1955

This Island Earth

6.0

1955

Aliens have landed and are hiding on Earth, but need Earth’s scientists to help them fight an inter-planetary war.

Explore Now

Galaxy Quest

7.1

1999

Galaxy Quest

7.1

1999

For four years, the courageous crew of the NSEA Protector — Commander Peter Quincy Taggart, Lieutenant Tawny Madison, and Doctor Lazarus — set off on a thrilling and often dangerous mission in space ... until their series was cancelled! Now, twenty years later, aliens under attack have mistaken the Galaxy Quest television transmissions for "historical documents" and beam up the crew of has-been actors to save the universe. With no script, no director, and no clue, the actors must turn in the performances of their lives.

Explore Now