Movies Like H2O: Just Add Water: Metamorphosis

If you liked H2O: Just Add Water: Metamorphosis (2009), a family and fantasy movie directed by Colin Budds and Jeffrey Walker, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
Aquamarine (2006)
★ 6.5/10Also fantasy and family
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…
2
Ruby Gillman, Teenage Kraken (2023)
★ 7.1/10Also family and fantasy
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…
3
Invisible Sister (2015)
★ 6.7/10Also fantasy and tv movie
Teenager Cleo's school science project goes quite awry, causing her popular older sister Molly to go invisible.
4
Barbie Fairytopia: Mermaidia (2006)
★ 6.9/10Also family and fantasy
In this animated follow-up to Fairytopia, Elina enlists the help of a mermaid, Nori, to save her friend Nalu, a merman prince who has been captured by the wicked Laverna.
5
The Thirteenth Year (1999)
★ 6.6/10Also tv movie and family
A teen learns that his birth mother is a mermaid after he begins to grow fins and slimy scales on his thirteenth birthday.
6
Sofia the First: Once Upon a Princess (2012)
★ 7.4/10Also family and fantasy
Set in the storybook world of Enchancia, the music-filled movie follows Sofia, an average girl whose life suddenly changes when her mother marries the king and she is whisked off to live in a castle with her mom, new…
7
Teen Beach 2 (2015)
★ 6.8/10Also tv movie and family
When characters from the movie musical “Wet Side Story” get stuck in the real world, teens Brady and Mack must find a way to return them home.
8
Barbie in A Mermaid Tale (2010)
★ 7.3/10Also family and fantasy
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.
9
The King's Daughter (2022)
★ 7/10Also fantasy and family
King Louis XIV's quest for immortality leads him to capture and steal a mermaid's life force, a move that is further complicated by his illegitimate daughter's discovery of the creature.
10
The Little Mermaid (2023)
★ 6.3/10Also family and fantasy
The youngest of King Triton’s daughters, and the most defiant, Ariel longs to find out more about the world beyond the sea, and while visiting the surface, falls for the dashing Prince Eric. With mermaids forbidden to…
11
Barbie: Dolphin Magic (2017)
★ 6.6/10Also family and fantasy
Barbie and her sisters take off on another exciting, global adventure to visit their friend Ken at his summer internship at a beautiful and exotic coral reef.
12
The Academy of Magic (2020)
★ 7.1/10Also family and fantasy
Aura is gifted with magical abilities; she and her friends have many exciting adventures at the academy, but soon Aura learns that the school hatches many dark secrets that she must uncover. Will she be able to unveil…
13
Elena and the Secret of Avalor (2016)
★ 7.3/10Also fantasy and family
In the Kingdom of Avalor, Elena takes Naomi up a mountain to show her favorite view of the kingdom. Elena laments to Naomi how she was trapped in the Amulet of Avalor for forty-one years, and then presents to her a…
14
Descendants (2015)
★ 7.2/10Also family and fantasy
A present-day idyllic kingdom where the benevolent teenage son of King Adam and Queen Belle offers a chance of redemption for the troublemaking offspring of Disney's classic villains: Cruella De Vil (Carlos)…
15
Twitches Too (2007)
★ 6.7/10Also family and fantasy
Reunited witch twins Camryn and Alex adjust to their new life as supernatural beings while at the same time trying to maintain a normal existence in this sequel to the magical Disney Channel original movie Twitches…
16
The Pagemaster (1994)
★ 6.4/10Also family and fantasy
Rich knows a lot about accidents. So much so, he is scared to do anything that might endanger him, like riding his bike, or climbing into his treehouse. While in an old library, he is mystically transported into the…
17
Gabby's Dollhouse: The Movie (2025)
★ 6.7/10Also family and fantasy
When her beloved dollhouse is accidentally claimed by an eccentric cat lady during a road trip to Cat Francisco, Gabby embarks on a real-world adventure to reunite the Gabby Cats and rescue her most prized possession…
18
Princess (2008)
★ 6.2/10Also fantasy and family
A reclusive princess and a directionless young man embark on a quest to save the world's mythical creatures from becoming extinct.
19
Descendants: Wicked Wonderland (2026)
★ 7.5/10Also fantasy and tv movie
Now that the Queen of Hearts is nice and Cinderella is safe, things seem perfect for Red and Chloe… But little do they know that changing the past created a new villain — Maddox Hatter. When Maddox captures the Queen…
20
Casper Meets Wendy (1998)
★ 5.9/10Also family and fantasy
When a warlock threatens Wendy the Good Little Witch, she and her aunts hide out at a resort where Casper the Ghost is vacationing with his uncles. Although Casper and Wendy are told ghosts and witches don't get along…