My Stepmother Is an AlienMovies like My Stepmother Is an Alien
- Key Features:
- Fish out of water, Extraterrestrial life, Romantic comedy, Family dynamics, Culture clash, Widower, Single parent, Scientific research, Saving the world, Transformation, Self-discovery, Love conquers all, Mad scientist, Charismatic protagonist
- Tone:
- humorous, whimsical, earnest
- Target Audience:
- Sci-fi fans, Romantic comedy enthusiasts, Family audiences, Those seeking lighthearted entertainment
- Emotional Arc:
- Curiosity → Affection
My Stepmother Is an Alien

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.
My Stepmother Is an Alien
A human-looking alien from a highly advanced but emotionless all-male society is sent to Earth to impregnate a woman and bring the child back to their planet. The alien ends up falling in love while a suspicious FAA agent tails him.

When her archaeologist father disappears on an expedition, Wanda sets out to look for him. What she finds is a secret underground world, where no one believes in life on the surface and where she and her father are taken for spies.

A young man raised by scientists on Mars returns to Earth to find his father.

Megan's world is turned upside down when she hears her calm life with her little brother and single mum is about to change. She hears she's soon to have a stepfather and a stepsister. Megan thinks they're a bit weird and is determined to stop the wedding. She discovers they're actually even stranger than she thought - they're from another planet.

A pair of aliens arrive on Earth to prepare for invasion, but crash instead. 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.

A young humanoid alien who gets stranded on earth hooks up with a grizzled old sheriff in a western town and tries to help him solve a tough case, but the sheriff doesn't want any help from a "kid."

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.

When Earth astronaut Capt. Chuck Baker arrives on Planet 51 -- a world reminiscent of American suburbia circa 1950 -- he tries to avoid capture, recover his spaceship and make it home safely, all with the help of an empathetic little green being.

When Susan Murphy is unwittingly clobbered by a meteor full of outer space gunk on her wedding day, she mysteriously grows to 49-feet-11-inches. The military jumps into action and captures Susan, secreting her away to a covert government compound. She is renamed Ginormica and placed in confinement with a ragtag group of Monsters...

Extraterrestrial beings travel the galaxy to free men "oppressed" by females to make way for an entirely-homosexual society.

Ambitious television reporter Tim O'Hara stumbles upon a martian whose spaceship has accidentally crashed on Earth. Thinking this is his ticket to a Pulitzer Prize, Tim makes plans to expose the martian, who, posing as Tim's Uncle Martin, takes human form and has plans of his own. In fact, all of Tim's efforts to divulge the truth are systematically thwarted by the resourceful alien, who ultimately recruits Tim to help him repair his ship for a return to Mars.

As part of an intergalactic coalition, a well-meaning space alien volunteers to bring a message of self-actualization and harmony with nature to the one planet rejected by all her peers as incorrigible: Earth.

When Earth is taken over by the overly-confident Boov, an alien race in search of a new place to call home, all humans are promptly relocated, while all Boov get busy reorganizing the planet. But when one resourceful girl, Tip, manages to avoid capture, she finds herself the accidental accomplice of a banished Boov named Oh. The two fugitives realize there’s a lot more at stake than intergalactic relations as they embark on the road trip of a lifetime.

The story of a mild-mannered radio executive who strives to become the best stepdad ever to his wife's two children, but complications ensue when their freewheeling, freeloading real father arrives, forcing stepdad to compete for the affection of the kids.

Aliens from Outer Space are slowly switching places with real humans -- one of the first being a young man about to get married. Slowly, his new wife realizes something is wrong, and her suspicions are confirmed when her husband's odd behaviour begins to show up in other townspeople.

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.

An Earth Man and his alien friend escape an exploding Earth, and set forth on an odd adventure across the universe with a known fugitive.

When an alien takes the form of a young widow's husband and asks her to drive him from Wisconsin to Arizona, the government tries to stop them.

Two Soviet humans previously unknown to each other are transported to the planet Pluke in the Kin-dza-da galaxy due to a chance encounter with an alien teleportation device. They must come to grips with a language barrier and Plukian social norms (not to mention the laws of space and time) if they ever hope to return to Earth.

Aliens attack Earth with deadly electrical tornadoes, and it’s up to a farmer, his smart high-school daughter and a tornado blogger to thwart the horrific invasion.

The story about the age gap between a scientist father, Philipe Le Tallec, and his newly discovered teen aged daughter, Eglantine.

Astronaut Scorch Supernova finds himself caught in a trap when he responds to an SOS from a notoriously dangerous alien planet.

In 1957 a fiery object crashes into a mountaintop in the California desert, bringing the threat of disaster to Earth. Out of the flying saucer escapes a murderous creature, the Ghota, bent on destroying all life forms on the planet. A benevolent alien from the spaceship, Urp, inhabits the body of Ted Lewis, an astronomer and with the help of Tammy, a diner waitress, sets out to save mankind.

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.

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.

Alma is a scientist coerced into participating in an extraordinary study in order to obtain research funds for her work. For three weeks, she has to live with a humanoid robot tailored to her character and needs, whose artificial intelligence is designed to be the perfect life partner for her. Enter Tom, a machine in human form in a class of its own, created solely to make her happy.

Emperor Spengo sees Marge Nelson and using a giant magnet, kidnaps her and her husband Dick, hoping to make Marge his before blowing up the Earth. The Emperor and other inhabitants of his planet are somewhat less than bright, and Dick begins reliving episodes of Flash Gordon and Buck Rogers in order to rescue Marge, save the Earth, and restore the rightful emperor to the throne.

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.

Years into a benevolent alien occupation, mankind is still adjusting to its new overlords. Their technology initially held promise for global prosperity, but rendered most human jobs – and steady income – obsolete. When two teenagers discover the aliens are fascinated with human love and will pay for access to it, they decide to livestream their romance to make extra cash for their families.

An alien intending to claim Earth for his people before their homeworld is destroyed by a comet decides not to eliminate humanity when he hears their music. Instead, he lives among them until another alien is sent to find and kill him.

Elio, a space fanatic with an active imagination, finds himself on a cosmic misadventure where he must form new bonds with eccentric alien lifeforms, navigate a crisis of intergalactic proportions and somehow discover who he is truly meant to be.

Beautiful, sophisticated women are all over Oscar Grubman. He is sensitive and compassionate, speaks French fluently, is passionate about Voltaire, and thinks the feature that tells the most about a woman is her hands. On the train home from Chauncey Academy for the Thanksgiving weekend, Oscar confides in his best friend that he has plans for this vacation--he will win the heart of his true love. But there is one major problem--Oscar's true love is his stepmother Eve.

A flying saucer lands in the backyard of an elderly suburbanite with memory problems, who forms a bond with the scared alien inside.

In a future where Mars is terraformed and colonized by the best humanity has to offer, two very different college students wind up joining forces and sneak onboard a space shuttle to the red planet in order to be united with their significant others.

A radio astronomer receives the first extraterrestrial radio signal ever picked up on Earth. As the world powers scramble to decipher the message and decide upon a course of action, she must make some difficult decisions between her beliefs, the truth, and reality.

When Martians suddenly abduct his mom, mischievous Milo rushes to the rescue and discovers why all moms are so special.

When Gonzo's breakfast cereal tells him that he's the descendant of aliens from another planet, his attempts at extraterrestrial communication get him kidnapped by a secret government agency, prompting the Muppets to spring into action. It's hard to believe Gonzo's story at first, but Kermit and friends soon find themselves on an epic journey into outer space filled with plenty of intergalactic misadventures.

When alien invaders capture Earth's superheroes, their kids must learn to work together to save their parents - and the planet.

A hardened CIA operative finds himself at the mercy of a precocious 9-year-old girl, having been sent undercover to surveil her family.

Ruth and Harry decide to take a romantic backpacking trip through the Pacific Northwest, but amongst the beautiful scenery, Ruth makes an unexpected discovery that sets her off on a strange, frightening new path. The couple aren't alone in the woods, and they might not be the same when they come out...if they come out.

The Gardner family moves to a remote farmstead in rural New England to escape the hustle of the 21st century. They are busy adapting to their new life when a meteorite crashes into their front yard, melts into the earth, and infects both the land and the properties of space-time with a strange, otherworldly colour. To their horror, the family discovers this alien force is gradually mutating every life form that it touches—including them.

Tom and Janet have been happily married for years. But a visit from a mysterious stranger leads to a dead body, a lot of questions, and a tense couples' trip with friends who may not actually be friends at all.

Louie Jeffries is happily married to Corinne. On their first anniversary, Louie is killed crossing the road. Louie is reincarnated as Alex Finch, and twenty years later, fate brings Alex and Louie's daughter, Miranda, together. It's not until Alex is invited to Louie's home that he begins to remember his former life, wife and best friend. Of course, there's also the problem that he's attracted to Louie's/his own daughter.

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.

A space-obsessed man gets the opportunity of a lifetime thanks to a Mars colonization program but finds his plans compromised by his feelings for a woman who brings him down to Earth.

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.

His high school teacher issues an ultimatum: turn in a science project or flunk. So Mike Harlan scavenges a military base's junk pile for a suitable gizmo. He finds one... and unwittingly unleashes the awesome power and energy of the unknown. Twisted dimensions. Time warps. A fantastic realm where the past, present, and future collide in a whirling vortex of startling adventure and superlative special effects.

Carnivorous aliens arrive unannounced at a Kansas family farm; two intergalactic bounty hunters soon follow, determined to blow them off the planet.

Salt-of-the-earth Cole falls head over heels for enigmatic Sadie—but then makes the shocking discovery that she's a secret agent. Before they can decide on a second date, Cole and Sadie are swept away on an international adventure to save the world.

Taking place after alien crafts land around the world, an expert linguist is recruited by the military to determine whether they come in peace or are a threat.

Stanley Putterman installs a state-of-the-art satellite dish in his backyard, soon unleashing a strange monster that leaps off the screen and needs to feed on humans for survival.

David Hyde Pierce, playing an alien (credited as infinity-cubed in the opening credits), narrates a courtship in a late-20th century American city as an extraterrestrial nature documentary. The relationship "footage" is played straight, while the voice-over (with its most often wildly inaccurate theories) and elaborate visual metaphors add comedy.

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.

Rick Riker is a nerdy teen imbued with superpowers by a radioactive dragonfly. And because every hero needs a nemesis, enter Lou Landers, aka the villainously goofy Hourglass.

Boyfriends Josh and Rohan plan a weekend getaway to introduce their parents, only to discover that their rental is home to a 400-year-old poltergeist.

Mitsuki and Yuya become stepsister and stepbrother because of their parents' marriage. Mitsuki can't get along with her new family and Yuya doesn't know how to approach his new stepsister. One day, Mitsuki becomes possessed by the spirit of Hiyori. Hiyori likes Yuya and believes Yuya can help her get to heaven. Hiyori places a leather chastity belt upon on Mitsuki and a plan takes place to help send Hiyori to heaven.

Luke and Roger are just another couple of college guys trying to lose their virginity. But when Luke sees something unusual, he begins to suspect that the girls on campus aren't exactly...human.

Four low-ranking astronauts are stuck together on an orbital Sanitation Station after they bring a mysterious device aboard their ship and all life on Earth disappears. Little do they know they are about to come under attack by a mutating rubber duck named Gary, who wants to open a portal to his evil dimension and take over the Universe.

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.

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

During its return to the earth, commercial spaceship Nostromo intercepts a distress signal from a distant planet. When a three-member team of the crew discovers a chamber containing thousands of eggs on the planet, a creature inside one of the eggs attacks an explorer. The entire crew is unaware of the impending nightmare set to descend upon them when the alien parasite planted inside its unfortunate host is birthed.

When single mom Callie and her two kids Trevor and Phoebe arrive in a small Oklahoma town, they begin to discover their connection to the original Ghostbusters and the secret legacy their grandfather left behind.

The six-member crew of the International Space Station is tasked with studying a sample from Mars that may be the first proof of extra-terrestrial life, which proves more intelligent than ever expected.

A group of scientists are sent on a mission to destroy unstable planets. Twenty years into their mission, they have to battle their alien mascot as well as a "sensitive" and intelligent bombing device that starts to question the meaning of its existence.

Three children are accidentally transformed into fish after consuming a potion made by an eccentric scientist. The kids end up in the sea, with one problem: they must find and drink the antidote within 48 hours, or forever remain as fish.

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.

When astronaut Spencer Armacost returns to Earth after a mission that nearly cost him his life, he decides to take a desk job in order to see his beautiful wife, Jillian, more often. Gradually, Jillian notices that Spencer's personality seems to have changed, but her concerns fade when she discovers that she's pregnant. As Jillian grows closer to becoming a mother, her suspicions about Spencer return. Why does it seem as if he's a different person?

Six months into a solo mission, a lonely astronaut confronts the cracks in his marriage with help from a mysterious creature he discovers on his ship.

A closeted young woman brings her girlfriend home for Thanksgiving, only to have her coming-out efforts thwarted by the unexpected arrival of her male roommate.

Everyone knows what to do if one morning the sky would be absolutely full of UFOs: run as fast as you can. However, what would happen if the invasion started while you are in the flat of the girl of your dreams, the one you have just met?

Professor Biondi is a depressed scientist. After his wife's death, he lives isolated from the world in the Nevada desert, near Area 51. He supposedly works on a top-secret project for the US government, but in actuality, he spends his days on the couch, listening to the sound of the Universe. His only contact with the outside world is Stella, who organizes alien-themed weddings for tourists on the prowl for extra-terrestrials. One day the Professor receives a message from Naples: his dying brother is entrusting him with his two children, so that they may live with him in America.

When an all-powerful Superintelligence chooses to study the most average person on Earth, Carol Peters, the fate of the world hangs in the balance. As the A.I. decides to enslave, save or destroy humanity, it’s up to Carol to prove that people are worth saving.

Following the events of The Sheriff and the Satellite Kid, Sheriff Hall and H-725 (using the official identity of Charlie Warren) still get no rest from the military - because the little alien has not yet grasped the meaning of keeping a low profile. They are constantly on the move, and H-725's father has had to pick them out of a tight spot too many times already.

Thomas Jerome Newton is an alien who has come to Earth in search of water to save his home planet. Aided by lawyer Oliver Farnsworth, Thomas uses his knowledge of advanced technology to create profitable inventions. While developing a method to transport water, Thomas meets Mary-Lou, a quiet hotel clerk, and begins to fall in love with her. Just as he is ready to leave Earth, Thomas is intercepted by the U.S. government, and his entire plan is threatened.

When young Buddy falls into Santa's gift sack on Christmas Eve, he's transported back to the North Pole and raised as a toy-making elf by Santa's helpers. But as he grows into adulthood, he can't shake the nagging feeling that he doesn't belong. Buddy vows to visit Manhattan and find his real dad, a workaholic.

Cindy finds out the house she lives in is haunted by a little boy and goes on a quest to find out who killed him and why. Also, Alien "Tr-iPods" are invading the world and she has to uncover the secret in order to stop them.

When Will Browning is threatened with military summer school if he doesn't get better grades, he decides to do a science project that will definitely get an A. So he buys some Ocean Pups, unhatched sea creatures that will look spectacular, but he hasn't bargained for the cloning agent that the unscrupulous manufacturers have put in the kit. Next thing he knows there's another him.

Spoof of romantic comedies which focuses on a man, his crush, his parents, and her father.

The story 11-year-old Luis who makes friends with three loveable little aliens, who crash their UFO into his house. In return for Luis' help in finding the home-shopping channel stuff they came for, they save Luis from boarding school - and an exciting adventure follows.

Villainous Gru lives up to his reputation as a despicable, deplorable and downright unlikable guy when he hatches a plan to steal the moon from the sky. But he has a tough time staying on task after three orphans land in his care.

Alien beings, who settle in a small midwestern town, are disturbed by a young professor determined to rescue his daughter from their clutches.

Susan Murphy (a.k.a. Ginormica) and the Monsters are now working with the US government as special ops. So when an alien presence is detected in Susan's hometown of Modesto, California -- right before Halloween -- the team is dispatched to investigate. Everything appears normal, right down to the jack-o-lanterns peering out from every doorstep and windowsill. But when Halloween arrives, those innocent-looking carved pumpkins reveal themselves for what they really are mutant aliens. The altered pumpkins then start to implement their fiendish plan to take over Earth. The Monsters are there to combat the mutant gourds and try to smash their wicked scheme!

A young man believes that his country's leaders are actually toxic reptilian aliens sent down to launch a takeover of his beloved Earth. So he decides to abduct them and force the truth out on camera in his basement that doubles as a film studio and torture chamber.

Two hundred years after Lt. Ripley died, a group of scientists clone her, hoping to breed the ultimate weapon. But the new Ripley is full of surprises … as are the new aliens. Ripley must team with a band of smugglers to keep the creatures from reaching Earth.

A young elf mistakes a tiny alien for a Christmas gift, not knowing her new plaything has plans to destroy Earth's gravity — and steal all the presents.

Tony's father Sam, abducted by aliens three years earlier, returns to earth and seeks out his wife and son, but Rachel has since been living with Joe and the reunion is awkward. Joe doesn't trust Sam, and Rachel can't quite decide what her feelings are for her two men. Sam is not the same as when he left, and he begins affecting Tony in frightening ways.

In the town of Dillford, humans, vampires and zombies were all living in peace - until the alien apocalypse arrived. Now three teenagers-one human, one vampire, and one zombie-have to team up to figure out how to get rid of the visitors.

Zed and Addison are beginning their final year at Seabrook High in the town that’s become a safe haven for monsters and humans alike. Zed is anticipating an athletic scholarship that will make him the first Zombie to attend college, while Addison is gearing up for Seabrook’s first international cheer-off competition. Then suddenly, extraterrestrial beings appear around Seabrook, provoking something other than friendly competition.

It's been some time since Father Jebedaiah Mayii exorcised the Devil from little Nancy Aglet, who is now grown up with a husband and two children of her own. But the prince of darkness wants to go a second round and has returned to repossess her! With Father Mayii unwilling to help, Father Luke Brophy tries his best to help Nancy, even when TV's Ernest Weller plans to air the exorcism live on TV.

A teenage girl on vacation in the Bahamas with her divorced father tries to impress a potential boyfriend by saying that her father is actually her lover. Remake of the 1991 French film Mon père, ce héros.

After she delivers her child in an ambulance, alien Eve is killed by a half-breed. Fortunately, Dr. Abbot scoops up the baby alien and escapes. In time, the baby grows into a gorgeous blonde named Sara and begins her quest to find a worthy mate. But Sara is also savage and leaves a trail of deaths in her wake. This carnage makes chemistry student Dean question whether to help her race or not.

After her adulterous husband asks for a divorce, a high-powered attorney takes him captive, refusing to release him until he commits to working on their marriage together. When his impatient mistress shows up, not to mention an opportunistic gardener, things start to get seriously complicated.

"Stepfather" Jerry Blake escapes an insane asylum and winds up in another town, this time impersonating a marriage counselor. With a future wife and new stepson who love him, Blake eliminates anyone who stands in his way to building the perfect family.

After an alien ship crash lands in a Russian city, many who see the inside and the occupants start to question their own existence while others demand the aliens leave Earth.

A Mysterious Alien Creature (MAC) escaping from nefarious NASA agents, is befriended by a young boy in a wheelchair. Together, they try to find MAC's family from whom he has been separated.

Jimmy Neutron is a boy genius and way ahead of his friends, but when it comes to being cool, he's a little behind. All until one day when his parents, and parents all over Earth are kidnapped by aliens, it's up to him to lead all the children of the world to rescue their parents.

Eccentric aliens give a man the power to do anything he wants to determine if Earth is worth saving.


