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Movies like The Thirteenth Year

Key Features:
Coming-of-age, Teen drama, Mermaid, Fantasy, Secret identity, Transformation, Family, Self-discovery, High school, Friendship, Romance, Supernatural elements
Tone:
whimsical, humorous, earnest
Target Audience:
Teenagers, Family audience, Fantasy fans
Emotional Arc:
Discovery → Acceptance

The Thirteenth Year

1999-05-15
The Thirteenth Year Poster - Find Similar Movies

A teen learns that his birth mother is a mermaid after he begins to grow fins and slimy scales on his thirteenth birthday.

Genres
TV Movie, Adventure, Comedy, Family
Cast
Chez Starbuck, Justin Jon Ross, Courtnee Draper, Dave Coulier, Kristen Stewart, Tim Redwine, Brian Haley, Stephanie Chantel Durelli, Richard Tanner, Regan Burns
Crew
Duwayne Dunham, Jenny Arata
Rating
6.583(240 votes)
The Thirteenth YearThe Thirteenth Year
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Aquamarine
6.5

Two teenage girls discover that mermaids really do exist after a violent storm washes one ashore. The mermaid, a sassy creature named Aquamarine, is determined to prove to her father that real love exists, and enlists the girls' help in winning the heart of a handsome lifeguard.



The Little Mermaid
5.023

A young reporter and his niece discover a beautiful and enchanting creature they believe to be the real little mermaid.



A Mermaid's Tale
5.33

12-year-old Ryan moves to the town where her father was born—a bleak, dying fishing town. However, exploring the coast, she discovers a cove that is home to a mysterious girl named Coral who reveals herself to be a mermaid.



Firebreather
7.4

It's not easy being a teen like Duncan. His mom wants him to pay more attention to his homework, while his dad - a 120-foot-tall monster known as a Kaiju - wants him to become the next King of All Monsters. When these worlds collide, Duncan must use his human wits and his Kaiju powers - including super strength, agility and the ability to breathe fire - to protect his family and friends from a giant monster rampage.



Thirteen
Thirteen(2003)
6.7

When 13-year-old Tracy befriends Evie, the most popular girl in school, her life is turned upside down as Evie introduces her to a world of sex, drugs, and money. But it isn’t long before Tracy’s new lifestyle begins to take a heavy toll on her and her family.



Freaky Friday
5.4

When an overworked mother and her teenage daughter magically swap bodies, they have just one day to put things right again before mom’s big wedding.



Ruby Gillman, Teenage Kraken

Ruby Gillman, a sweet and awkward high school student, discovers she's a direct descendant of the warrior kraken queens. The kraken are sworn to protect the oceans of the world against the vain, power-hungry mermaids. Destined to inherit the throne from her commanding grandmother, Ruby must use her newfound powers to protect those she loves most.



The Princess Diaries

A socially awkward but very bright 15-year-old girl being raised by a single mom discovers that she is the princess of a small European country because of the recent death of her long-absent father, who, unknown to her, was the crown prince of Genovia. She must make a choice between continuing the life of a San Francisco teen or stepping up to the throne.



Blue My Mind
6.7

15-year-old Mia faces an overwhelming transformation which puts her entire existence into question. Her body is changing radically, and despite desperate attempts to halt the process, Mia is soon forced to accept that nature is far more powerful than she is.



Lu Over the Wall
7.007

In a small fishing village, a gloomy middle school student named Kai meets a mermaid named Lu.



Mermaids
Mermaids(1990)
6.7

Fifteen-year-old Charlotte Flax is tired of her wacky mom moving their family to a different town any time she feels it is necessary. When they move to a small Massachusetts town and Mrs. Flax begins dating a shopkeeper, Charlotte and her 9-year-old sister, Kate, hope that they can finally settle down. But when Charlotte's attraction to an older man gets in the way, the family must learn to accept each other for who they truly are.



The Little Mermaid
7.3

This colorful adventure tells the story of an impetuous mermaid princess named Ariel who falls in love with the very human Prince Eric and puts everything on the line for the chance to be with him. Memorable songs and characters -- including the villainous sea witch Ursula.



Vice Versa
5.8

A mysterious oriental skull transforms a father into his son, and vice versa.



Fitting In
6.672

A teenage girl gets diagnosed with a reproductive condition that upends her plans to have sex and propels her into exploring unusual methods to have a sex life, challenging her relationships with everyone in her life, but most importantly, herself.



As Cool as I Am
5.83

A smart teenage girl comes of age in a small town with her self-centered parents who had her when they were teenagers.



Hans Christian Andersen's The Little Mermaid

The story of a beautiful mermaid who gave up a kingdom for her beloved prince.



Juno
Juno(2007)
7.1

Faced with an unplanned pregnancy, sixteen year old high-schooler, Juno MacGuff, makes an unusual decision regarding her unborn child.



Monster Island
5.3

Young Lucas finds out he's not really a human after he surprisingly transforms into a monster in front of the most popular kids at school. His search for Monster Island and his real roots takes him on a fabulously scary journey that puts him face to face with more tentacles, fangs and far-out situations than he can shake one of his new wings at.



Turning Red
7.328

Thirteen-year-old Mei is experiencing the awkwardness of being a teenager with a twist – when she gets too excited, she transforms into a giant red panda.



Meus 15 Anos: Filme

A shy student suddenly becomes the center of attention when she wins a huge birthday party that she never asked for.



Dolphin Boy
6.4

When a plane crashes at sea, dolphins rescue a little boy and raise him as family. He lives a carefree life beneath the waves until an evil monster seizes power over the underwater world. Banished to dry land, the boy is taken in by a kind-hearted captain. With his new companion's help, the boy embarks on a journey to solve the mystery of his true identity.



That's What I Am
6.8

A coming-of-age story that follows 12-year-old Andy Nichol, a bright student who, like most kids his age, will do anything to avoid conflict for fear of suffering overwhelming ridicule and punishment from his junior high school peers.



The Space Between Us
7.057

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



Giant Little Ones
7.068

Two popular teen boys, best friends since childhood, discover their lives, families, and girlfriends dramatically upended after an unexpected incident occurs on the night of a 17th birthday party.



Fallen
Fallen(2006)
6.9

For high schooler Aaron Corbett, turning 18 means becoming not just a man but a nephilim, too -- half human, half angel, with supernatural abilities.



My Oni Girl
7.2

A shy teenage boy's inability to say no is tested when a headstrong girl drags him on a mystical journey amid summer snow to find her missing mom.



Winter Spring Summer or Fall

Remi and Barnes, two very different teenagers, meet by chance in the winter of their senior year, then spend four days together over the course of a year that will change their lives forever.



Lola and the Sea
6.4

Just when Lola, 18 years old and transgender, learns that she can finally have surgery, her mother, who is her only financial support, passes away. Abiding by her mother’s last wishes, Lola and her father, who are permanently in conflict and have not seen each other for two years, undertake a journey all the way to the Belgian coast. They realize the outcome of the journey may not be the one they were both expecting...



What Lies Below
5.279

A socially awkward teenager is blindsided when her mother introduces her to her new fiancée. At first, his charm, intelligence, and beauty seem too good to be true, and after a series of strange occurrences, the teenage daughter realizes that this new member of their family is not exactly who he seems.



Big Fish & Begonia
7.378

Beyond the human realm, there is a magical race of beings who control the tides and the changing of the seasons. One of these beings, a young girl named Chun, seeks something more—she wants to experience the human world! At sixteen, she finally gets her chance and transforms into a dolphin in order to explore the world that has her fascinated. But she soon discovers that it's a dangerous place and nearly gets killed in a vortex. Luckily, her life is spared when a young boy sacrifices himself to save her. Moved by his kindness and courage, she uses magic to bring him back to life only to learn that this power comes at a serious price. On a new adventure, she’ll have to make her own sacrifices in order to protect his soul until it is ready to return to the human world.



Every Day
Every Day(2018)
7.25

16-year old Rhiannon falls in love with a mysterious spirit named “A” that inhabits a different body every day. Feeling an unmatched connection, Rhiannon and “A” work each day to find each other, not knowing what the next day will bring.



The Other Me
5.554

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.



Help! I'm a Fish
6.638

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.



Barbie in A Mermaid Tale

Barbie stars as Merliah, a surfer who learns a shocking secret: she's a mermaid! She and her dolphin friend set out for an undersea adventure to rescue her mother, the queen of Oceana.



Year of the Jellyfish

Chris, a sexy teenager who appears mostly bare-breasted on the French Riviera, has a crush on Romain, her mother's lover. In reaction to her inability to attract his attention, she experiments with other risque affairs.



The Truth About Jane
6.231

Jane, a high school teenager, tries to deal with the discovery that she is a lesbian after developing an intense friendship with another girl who makes her discover her true sexuality, which is only the start of Jane's troubles when Jane's unaccepting mother, Janice, struggles with her surprising revelation of brought forth by her only daughter.



Fifteen and Pregnant
6.264

Based on a true story, 15 year old Tina Spangler discovers she is pregnant. Her choices are abortion, adoption, or a lonely, exhausting life as a single parent. Abandoned by her boyfriend, she turns to her mother. Tina discovers although it has torn her world apart, her pregnancy could re-unite her shattered family and help her find her true purpose in life.



Quints
Quints(2000)
5.523

A teenager goes to desperate lengths to get attention when her mother gives birth to quints.



Princess Protection Program

When her nation is invaded, a young princess is taken into the Princess Protection Program. She is relocated to Louisiana, where she stays with a covert agent and his tomboyish daughter, and must learn how to behave like an ordinary teenager.



The Great Gilly Hopkins

Young and feisty Gilly Hopkins devises a scheme to escape from her new foster home and reunite with her birth mother.



Sierra Burgess Is a Loser

A case of mistaken identity results in unexpected romance when the most popular girl in high school and the biggest loser must come together to win over their crushes.



Johnny Tsunami
5.9

A Hawaiian teenage surfer shows off his skills when he takes to the snow slopes in Vermont.



The Little Mermaid: Ariel's Beginning

Follow Ariel's adventures before she gave up her fins for true love. When Ariel wasn't singing with her sisters, she spent time with her mother, Queen Athena. Ariel is devastated when Athena is killed by pirates, and after King Triton outlaws all singing. Along with pals Flounder and Sebastian, Ariel sets off in hopes of changing her father's decision to ban music from the kingdom.



Splitting Adam
6.9

After accidentally stumbling into his uncle's mysterious "tanning bed", Adam learns the answer to all of his problems - multiple Adams. With his new collection of clones, Adam is hopping on one wild summer ride with an epic splash.



My Father the Hero
5.3

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.



Sabrina the Teenage Witch

A girl, sent by her parents to live with her two eccentric aunts, finds out on her sixteenth birthday that she is a witch.



My Old Ass
6.817

An 18th birthday mushroom trip brings free-spirited Elliott face-to-face with her wisecracking 39-year-old self. But when Elliott’s "old ass" starts handing out warnings about what her younger self should and shouldn't do, Elliott realizes she has to rethink everything about family, love, and what's becoming a transformative summer.



Eighth Grade
7.2

Thirteen-year-old Kayla endures the tidal wave of contemporary suburban adolescence as she makes her way through the last week of middle school — the end of her thus far disastrous eighth grade year — before she begins high school.



Twilight
Twilight(2008)
6.284

When Bella Swan moves to a small town in the Pacific Northwest, she falls in love with Edward Cullen, a mysterious classmate who reveals himself to be a 108-year-old vampire. Despite Edward's repeated cautions, Bella can't stay away from him, a fatal move that endangers her own life.



Spellbound
6.7

When a powerful spell turns her parents into giant monsters, a teenage princess must journey into the wild to reverse the curse before it's too late.



3 Generations
6.362

A teenager transitions from female to male, and his family must come to terms with that fact.



Jim Button and the Wild 13

A year has gone by since Jim Button and his best friend, the engine driver Luke, returned from their dangerous adventure in Dragon City. Life on Morrowland goes its leisurely way again. Suddenly, dark clouds are gathering over the tranquil island of Morrowland: the notorious pirate gang "The Wild 13" has learned that the dragon Mrs Grindtooth has been conquered by Jim and Luke and now swears revenge. To protect Morrowland from another threat, the two of them set off with their steam engines Emma and Molly on a dangerous journey where they meet old friends like princess Li Si, Mr. Tur Tur and Nepomuk and make new friends with Sursulapichi, a real mermaid. On their adventure, Jim's most fervent wish might also come true: to find out the truth about his mysterious origins.



13 Going on 30
6.763

After total humiliation at her thirteenth birthday party, Jenna Rink wants to just hide until she's thirty. Thanks to some magic wishing dust, Jenna's prayer has been answered. With a knockout body, a fabulous wardrobe, an athlete boyfriend, a dream job, and superstar friends, this can't be a better life. But soon Jenna realizes that adult life isn’t as easy as she hoped for.



Love, Simon
8

Everyone deserves a great love story, but for 17-year-old Simon Spier, it's a little more complicated. He hasn't told his family or friends that he's gay, and he doesn't know the identity of the anonymous classmate that he's fallen for online.



Laggies
Laggies(2014)
6.1

Overeducated and underemployed, 28 year old Megan is in the throes of a quarterlife crisis. Squarely into adulthood with no career prospects, no particular motivation to think about her future and no one to relate to, Megan is comfortable lagging a few steps behind - while her friends check off milestones and celebrate their new grown-up status. When her high-school sweetheart proposes, Megan panics and- given an unexpected opportunity to escape for a week - hides out in the home of her new friend, 16-year old Annika and Annika's world-weary single dad Craig.



Mermaid Down
6.476

A mermaid is ripped from the Pacific, her tail is chopped off and she's thrown into a mental home where no one believes she is a mermaid.



Geography Club
6.2

A coming-of-age movie that tells a story unfolding in every high school around the country -- a story of kids hiding their true identities in plain sight, even as they feverishly pursue their hearts' desires.



Virtual Sexuality
5.151

A frustrated teenage girl creates her perfect man in a virtual reality machine and in a freak accident, gives him life.



My Year of Dicks
6.4

An imaginative 15-year-old is stubbornly determined to lose her virginity despite the pathetic pickings in the outskirts of Houston in the early '90s.



Three Months
7

Caleb, a South Florida teen, loves his camera, his weed and his grandmother. On the eve of his high school graduation, everything changes when he's exposed to HIV. While he waits three months for his results, Caleb finds love in the most unlikely of places.



SPF-18
SPF-18(2017)
4.423

Eighteen-year-old Penny Cooper spent years pining for heartthrob surfer Johnny Sanders Jr. before his father’s tragic death brought them closer together. But now high school is over, and when mysterious country musician Ash Baker shows up on the beach, Penny is torn.



Starbuck
Starbuck(2011)
6.894

David Wozniak is a perpetual adolescent who discovers that, as a sperm donor, he has fathered 533 children. He is advised that more than 100 of his offspring are trying to force the fertility clinic to reveal the true identity of "Starbuck," the pseudonym he used when donating his sperm. To make matters worse, his girlfriend Valérie is pregnant with his child, but doesn't feel that he is mature enough to be a father.



Hairbrained
5.4

A fourteen-year-old genius gets rejected by Harvard and ends up at a much lower ranked school where he makes friends with a mature student.



C.R.A.Z.Y.
7.465

A young French Canadian, one of five boys in a conservative family in the 1960s and 1970s, struggles to reconcile his emerging identity with his father's values.



The Invisible Thread
6.552

The teenage son of two fathers makes a documentary film about his parents but is surprised when a real-life plot twist occurs in his family.



Summer '03
5.8

16-year-old Jamie Winkle and her extended family are left reeling after her calculating grandmother unveils an array of secrets on her deathbed. As her family deals with her grandmother's surprising dying messages, Jamie sets out to make the most of her summer and explores her sexuality.



The Secret of Roan Inish

Ten-year-old Fiona is sent to live with her grandparents in a small fishing village in Donegal, Ireland. She soon learns the local legend that an ancestor of hers married a Selkie – a seal who can turn into a human. Years earlier, her baby brother was washed out to sea and never seen again, so when Fiona spies a naked little boy on the abandoned Isle of Roan Inish, she is compelled to investigate.



Hard Feelings
5.868

Teenagers Charly and Paula worry that sex could ruin their friendship, while their suddenly and surprisingly bossy private parts urge them to go for it.



Hatching Pete
5.5

Pete is very inconspicuous at school, unlike his extrovert mate Cleatis who's happy to don a chicken suit and be the school mascot, but unfortunately, Cleatis is allergic to the suit. When there's an uproar at the chicken's disappearance, Pete is forced into the limelight as the school's basketball reputation is at stake.



Freaky Friday
6.565

Mother and daughter bicker over everything -- what Anna wears, whom she likes and what she wants to do when she's older. In turn, Anna detests Tess's fiancé. When a magical fortune cookie switches their personalities, they each get a peek at how the other person feels, thinks and lives.



The Late Bloomer
5.419

A sex therapist goes through puberty after the successful removal of a benign tumor resting against his pituitary gland. He experiences all the changes and effects of puberty over a three-week period.



Nico and Dani
5.882

While his parents are away for the summer, 16-year-old Dani invites his best friend, the irrepressible Nico, to stay for the holidays. Jealously rears its head when Nico appears more interested in the local girls than in Dani. Hot summer nights and too many joints lead to experimentation which neither boy can talk about, a situation complicated by the appearance of the older and openly gay Julián, a published writer and old friend of Dani’s father.



Genius
Genius(1999)
6.134

Charlie Boyle finds that even his high IQ can't solve all of his problems when he takes on a double life in order to make friends his own age.



The Invisible Boy
6.276

Michele is thirteen year old, shy, unpopular at school, and in love with Stella. After wearing a costume for a Halloween party, he finds out that he's invisible.



Spirited Away
8.534

A young girl, Chihiro, becomes trapped in a strange new world of spirits. When her parents undergo a mysterious transformation, she must call upon the courage she never knew she had to free her family.



Finding Dory
7

Dory is reunited with her friends Nemo and Marlin in the search for answers about her past. What can she remember? Who are her parents? And where did she learn to speak Whale?



Misfit
Misfit(2017)
6.358

Moving back to her native Netherlands after years of living in the United States, a teenage girl navigates the intricacies of Dutch high school life.



Duma
Duma(2005)
7.3

An orphaned cheetah becomes the best friend and pet of a young boy living in South Africa.



The Secret World of Arrietty

14-year-old Arrietty and the rest of the Clock family live in peaceful anonymity as they make their own home from items "borrowed" from the house's human inhabitants. However, life changes for the Clocks when a human boy discovers Arrietty.



Tuck Everlasting
6.647

Teenager Winnie Foster is growing up in a small rural town in 1914 with her loving but overprotective parents, but Winnie longs for a life of greater freedom and adventure.



Junior
Junior(2011)
6.5

A pimple-faced 13-year-old tomboy starts morphing in bizarre ways after catching stomach flu.



Falcon Lake
6.9

A shy teenager on a summer vacation experiences the joy and pain of young adulthood when he forges an unlikely bond with an older girl.



Fish Tank
Fish Tank(2009)
6.9

Fifteen-year-old Mia is in a constant state of war with her family and the world around her. When she meets her party-girl mother’s charming new boyfriend Connor, she is amazed to find he returns her attention, and believes he might help her start to make sense of her life.



Hatching
Hatching(2022)
6.229

12 year old Tinja is desperate to please her mother, a woman obsessed with presenting the image of a perfect family. One night, Tinja finds a strange egg. What hatches is beyond belief.



ReLIFE
ReLIFE(2017)
7.507

Arata Kaizaki, a jobless adult, undergoes an experiment that makes him 10 years younger. He goes back to high school and falls in love with Chizuru Hishiro, who is more than she seems.



You Wish!
You Wish!(2003)
5.6

A frustrated teen's careless wish sends his little brother into a world of forgotten dreams. Now, he must navigate whimsical challenges and learn the true value of family before time runs out to bring him back!



A Whisker Away
7.9

A peculiar girl transforms into a cat to catch her crush's attention. But before she realizes it, the line between human and animal starts to blur.



Feather
Feather(2016)
6.368

Ferro and Cate, two kids trying to get to grips with an unplanned pregnancy, their families (rebellious Ferro’s hospitable, ‘normal’ family, and level-headed Cate’s unhinged, atypical one), exams at school, friends and a general lack of jobs.



Boys and Girls
5.943

Ryan and Jennifer are opposites who definitely do not attract. At least that's what they always believed. When they met as twelve-year-olds, they disliked one another. When they met again as teenagers, they loathed each other. But when they meet in college, the uptight Ryan and the free-spirited Jennifer find that their differences bind them together and a rare friendship develops.



The Sea Beast
7.326

When a young girl stows away on the ship of a legendary sea monster hunter, they launch an epic journey into uncharted waters — and make history to boot.



Blue Lagoon: The Awakening

Two high school students become stranded on a tropical island and must rely on each other for survival. They learn more about themselves and each other while falling in love.



The Life List
6.98

When her mother sends her on a quest to complete a teenage bucket list, a young woman uncovers family secrets, finds romance — and rediscovers herself.



The To Do List
5.8

Feeling pressured to become more sexually experienced before she goes to college, Brandy Klark makes a list of things to accomplish before hitting campus in the fall.



Penguin Highway
7.1

A fourth-grader investigates the mysterious reason behind the sudden appearance of penguins in his village, which is somehow related to a power from a young woman working at a dental clinic.



Teen Witch
5.984

Louise is not very popular at her highschool. Then she learns that she's descended from the witches of Salem and has inherited their powers. At first she uses them to get back at the girls and teachers who teased her and to win the heart of the handsome footballer's captain. But soon she has doubts if it's right to 'cheat' her way to popularity.



Deep Sea
Deep Sea(2023)
6.94

Shenxiu has felt a deep sadness since her mother left. A storm plunges her into a dreamlike world of swirling colour. Led by the Hyjinx, and joined by inventive underwater chef Nanhe, she embarks on a quest to find solace in the Eye of the Deep Sea.



The Adventures of Sharkboy and Lavagirl

Everyone always knew that Max had a wild imagination, but no one believed that his wildest creations -- a boy raised by watchful great white sharks and a girl with the force of a volcano -- were real. Now, these two pint-sized action masters will show Max that even an ordinary kid has what it takes to be extraordinary.



The Party
The Party(1980)
6.604

A thirteen-year-old French girl deals with moving to a new city and school in Paris, while at the same time her parents are getting a divorce.



Au Pair
Au Pair(1999)
5.7

A young MBA mistakenly interviews for the wrong job... and ends up as an Au Pair for a pair of snotty rich kids.

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