Best movies like My Stepmother Is an Alien

Similar in 84%

Earth Girls Are Easy (1988)

Plot Summary:

In this musical comedy, Valerie is dealing with her philandering fiancé, Ted, when she finds that a trio of aliens have crashed their spaceship into her swimming pool. Once the furry beings are shaved at her girlfriend's salon, the women discover three handsome men underneath. After absorbing the native culture via television, the spacemen are ready to hit the dating scene in 1980s Los Angeles.

Similar in 79%

Suburban Commando (1991)

Plot Summary:

Shep Ramsey is an interstellar hero, righting wrongs, etc. His ship is damaged after a fight with an interstellar nasty and he must hide out on Earth until it can recharge. He leaves his power suit at home, but still finds himself unable to allow wrongs to go unrighted and so mixes it up with bad drivers, offensive paperboys, muggers and the like.

Similar in 87%

Howard the Duck (1986)

Plot Summary:

A scientific experiment unknowingly brings extraterrestrial life forms to the Earth through a laser beam. First is the cigar smoking drake Howard from the duck's planet. A few kids try to keep him from the greedy scientists and help him back to his planet. But then a much less friendly being arrives through the beam.

Similar in 82%

Invasion of the Star Creatures (1962)

Plot Summary:

Beautiful alien Amazonian women plan to conquer the world using an army of vegetable monsters. Dim-witted privates Philbrick and Penn bumble into a cave in search of atomic activity but collide instead with fierce carrot-topped tree mutants and their leaders, the 7-foot space sirens Prof. Tanga and Dr. Puna. This lavishly low-budget sci-fi romp has the bodacious aliens planning to overrun Earth with their vege-men army, but first they want the G.I.s to explain the meaning of love.

Similar in 76%

Morons from Outer Space (1985)

Plot Summary:

The story begins on a small spaceship docking with a refueling station. On board are a group of four aliens, Bernard, Sandra, Desmond, and Julian. During a particularly tedious period of their stay at the station, the other three begin playing with the ship’s controls while Bernard is outside playing spaceball. They accidentally disconnect his part of the ship, leaving him stranded while they crash into a large blue planet close by (Earth).

Similar in 86%

2001: A Space Travesty (2000)

Plot Summary:

Leslie Nielsen once again plays a bumbling detective in the vein of the 'Naked Gun' movies, but this time as Marshall Richard 'Dick' Dix. When odd reports are received through official channels stating that the President of the United States is being held captive on a secret international moon base called Vegan and that he has been replaced on Earth by a clone, the US Marshall Service immediately sends their 'best' man, Dix, on the mission. Dix travels to Vegan to rescue the president, but is quickly duped and ends up returning to Earth where he installs the clone-president and removes the real one. The bumbling Dix must then find a way to restore the real president before aliens take over the Earth, and restore in himself a belief in truth, justice and the American way.

Similar in 79%

The Brother from Another Planet (1984)

Plot Summary:

An alien slave crash-lands in New York City while being pursued by two Men in Black bounty hunters. His attempt to find a place for himself on Earth parallels that of the immigrant experience.

Similar in 81%

Meet Dave (2008)

Plot Summary:

A crew of miniature aliens operate a spaceship that has a human form. While trying to save their planet, the aliens encounter a new problem, as their ship becomes smitten with an Earth woman.

Similar in 88%

Flesh Gordon (1974)

Plot Summary:

Emperor Wang (the Perverted) is leader of the planet Porno and sends his mighty "Sex Ray" towards Earth, turning everyone into sex-mad fiends. Only one man can save the Earth, football player Flesh Gordon. Along with his girlfriend Dale Ardor and Professor Flexi-Jerkoff, they set off towards the source of the Sex Ray, unaware of the perils that face them!.

Similar in 77%

3rd Rock from the Sun (1996)

Plot Summary:

3rd Rock from the Sun is an American sitcom that aired from 1996 to 2001 on NBC. The show is about four extraterrestrials who are on an expedition to Earth, which they consider to be a very insignificant planet. The extraterrestrials pose as a human family in order to observe the behavior of human beings.

Similar in 84%

Galaxina (1980)

Plot Summary:

Galaxina is a lifelike, voluptuous android who is assigned to oversee the operations of an intergalactic Space Police cruiser captained by incompetent Cornelius Butt. When a mission requires the ship's crew to be placed in suspended animation for decades, Galaxina finds herself alone for many years, developing emotions and falling in love with the ship's pilot, Thor.

Similar in 87%

Coneheads (1993)

Plot Summary:

With enormous cone-shaped heads, robotlike walks and an appetite for toilet paper, aliens Beldar and Prymatt don't exactly blend in with the population of Paramus, N.J. But for some reason, everyone believes them when they say they're from France! As the odd "Saturday Night Live" characters settle into middle-class life in this feature-length comedy, a neighbor admires their daughter.

Similar in 83%

Evil Alien Conquerors (2003)

Plot Summary:

Inept beings from the planet Kabijj land on Earth and attempt to behead all of its beings and take over the planet.

Similar in 83%

Ghostbusters II (1989)

Plot Summary:

Five years after they defeated Gozer, the Ghostbusters are out of business. When Dana begins to have ghost problems again, the boys come out of retirement to aid her and hopefully save New York City from a new paranormal threat.

Similar in 79%

The Watch (2012)

Plot Summary:

Four everyday suburban guys come together as an excuse to escape their humdrum lives one night a week. But when they accidentally discover that their town has become overrun with aliens posing as ordinary suburbanites, they have no choice but to save their neighborhood - and the world - from total extermination.

Similar in 84%

Illegal Aliens (2007)

Plot Summary:

Three aliens morph into super-hot babes and arrive to protect the earth from the intergalactic forces of evil. Guided by Syntax, their holographic mentor, these Illegal Aliens are willing to use every trick in the book and every sexy outfit in their wardrobe to accomplish their mission! "Illegal Aliens" pokes fun at today's Hollywood and pays tribute to the so-called "Bad Movies" we all love to hate.

Similar in 89%

Spaced Invaders (1990)

Plot Summary:

A crew of Martians overhears a radio broadcast of Orson Welles' "War of the Worlds" coming from Earth, and, thinking the Martian fleet is attacking Earth, they land their broken-down ship in a backwater mid-American town. As luck would have it, they land on Halloween and get mistaken for trick-or-treaters. Comedy ensues as the Martians try to get taken seriously.

Similar in 78%

Evolution (2001)

Plot Summary:

A comedy that follows the chaos that ensues when a meteor hits the Earth carrying alien life forms that give new meaning to the term "survival of the fittest." David Duchovny, Orlando Jones, Seann William Scott, and Julianne Moore are the only people standing between the aliens and world domination... which could be bad news for the Earth.

Similar in 88%

Mars Attacks! (1996)

Plot Summary:

'We come in peace' is not what those green men from Mars mean when they invade our planet, armed with irresistible weapons and a cruel sense of humor. This star studded cast must play victim to the alien’s fun and games in this comedy homage to science fiction films of the '50s and '60s.

Similar in 89%

Weird Science (1985)

Plot Summary:

Two unpopular teenagers, Gary and Wyatt, fail at all attempts to be accepted by their peers. Their desperation to be liked leads them to "create" a woman via their computer. Their living and breathing creation is a gorgeous woman, Lisa, whose purpose is to boost their confidence level by putting them into situations which require Gary and Wyatt to act like men.

Similar in 89%

The Adventures of Buckaroo Banzai Across the 8th Dimension (1984)

Plot Summary:

Adventurer/surgeon/rock musician Buckaroo Banzai and his band of men, the Hong Kong Cavaliers, take on evil alien invaders from the 8th dimension.

Similar in 83%

Galaxy Quest (1999)

Plot Summary:

The stars of a 1970s sci-fi show - now scraping a living through re-runs and sci-fi conventions - are beamed aboard an alien spacecraft. Believing the cast's heroic on-screen dramas are historical documents of real-life adventures, the band of aliens turn to the ailing celebrities for help in their quest to overcome the oppressive regime in their solar system.

Similar in 75%

Trading Places (1983)

Plot Summary:

A snobbish investor and a wily street con-artist find their positions reversed as part of a bet by two callous millionaires.

Similar in 90%

The Cat from Outer Space (1978)

Plot Summary:

A UFO is stranded on earth and impounded by the US government. Its pilot, a cat with a collar that gives it special powers, including the ability to communicate with humans, has eluded the authorities and seeks the help of a scientist in order to reclaim and repair his ship and get back home.

Similar in 90%

The Hitchhiker's Guide to the Galaxy (2005)

Plot Summary:

Mere seconds before the Earth is to be demolished by an alien construction crew, Arthur Dent is swept off the planet by his friend Ford Prefect, a researcher penning a new edition of "The Hitchhiker's Guide to the Galaxy.".

Similar in 84%

Ghostbusters (1984)

Plot Summary:

After losing their academic posts at a prestigious university, a team of parapsychologists goes into business as proton-pack-toting "ghostbusters" who exterminate ghouls, hobgoblins and supernatural pests of all stripes. An ad campaign pays off when a knockout cellist hires the squad to purge her swanky digs of demons that appear to be living in her refrigerator.

Similar in 85%

Paul (2011)

Plot Summary:

For the past 60 years, a space-traveling smart-ass named Paul has been locked up in a top-secret military base, advising world leaders about his kind. But when he worries he’s outlived his usefulness and the dissection table is drawing uncomfortably close, Paul escapes on the first RV that passes by his compound in Area 51. Fortunately, it contains the two earthlings who are most likely to rescue and harbor an alien on the run.

Similar in 81%

*batteries not included (1987)

Plot Summary:

In a soon to be demolished block of apartments, the residents resist the criminal methods used to force them to leave so a greedy tycoon can build his new skyscraper. When tiny mechanical aliens land for a recharge, they decide to stay and help out.

Similar in 81%

What Planet Are You From? (2000)

Plot Summary:

A highly-evolved planet, whose denizens feel no emotion and reproduce by cloning, plans to take over Earth from the inside by sending an operative, fashioned with a humming, mechanical penis, to impregnate an earthling and stay until the birth. The alien, Harold Anderson, goes to Phoenix as a banker and sets to work finding a mate. His approaches to women are inept, and the humming phallus doesn't help, but on the advice of a banking colleague, he cruises an AA meeting, meets Susan, and somehow convinces her to marry. The clock starts to tick: will she conceive, have a baby, and lose Harold (and the child) to his planet before he discovers emotion and starts to care?.

Similar in 89%

Cocoon (1985)

Plot Summary:

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