Series / H2O: Just Add Water

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H2O: Just Add Water is an Australian live-action series for preteen-to-teenage girls that has been shown in North America on Nickelodeon and currently shows on Teen NICK as H2O. The story focuses on three friends who gain magical powers over water and after a trip to the mysterious Mako Island, turn into mermaids following "The Splash Method" (when they are wet they turn into mermaids, and when they are dry they aren't) after swimming in a magical pool during a full moon.

The series was created by Jonathan M. Shiff. It is mostly about the girls' powers and dealing with them in real life. There were initially going to be only two seasons, but due to popular demand a third season was added, with several of the characters missing and a new girl, Bella, added to replace Emma. A spinoff series, Mako Mermaids: An H2O Adventure, is available on Netflix. An Animated Adaptation, H2O: Mermaid Adventures is also available on Netflix.

Tropes related to the series

  • Absentee Actor: No explanation is given for Emma not appearing in "The Gracie Code, Part 1".
  • Adults Are Useless: And clueless and easily distracted, and readily accept some really bizarre excuses with no question.
    • Averted with characters like Miss Chatham and Max who have experienced the mermaid problems and offer helpful advice to the girls.
  • All Your Powers Combined: The powers will be divided by those in the moon pool when it's active during the full moon. When Charlotte became a mermaid, she gained all three of the powers because she was the only one in the pool. Bella in the third season also has three powers, as she was alone in her moon pool.
  • Alpha Bitch: Miriam is not a nice person.
  • Annoying Younger Sibling: Cleo's younger sister Kim is a rather extreme case. Elliott, Emma's brother, is an aversion as he is usually nice, friendly and 'squeaky clean' (Rikki's words).
  • As You Know: Two minutes into the season 2 premiere Kim reminds her sister that their parents have now split up, for the audience's benefit.
  • Aww, Look! They Really Do Love Each Other: A sisterly version between Cleo and Kim occasionally shows up throughout the series.
  • The Beautiful Elite: This show is a pretty bad offender of this.
    • Lampshaded in Season 3 when Rikki tells new girl Bella that she only likes Will because "he's the only guy in a five-mile radius not to swoon over her".
  • Back for the Finale: Lewis.
  • Bait the Dog: Charlotte spends most of series 2 trying to be nice to people, it's the main characters that are doing nasty things to her. This changes in the last four episodes.
  • Bare Your Midriff: All the mermaids, in mermaid form and (usually, mostly on the beach) in human form.
  • Beauty, Brains and Brawn: With Cleo as Beauty, although she started off as somewhat Hollywood Homely.
    • When Emma leaves in season 3, Cleo eventually went into Brains territory while Bella took over the Beauty spot.
  • Birthday Episode:
    • There was one for Cleo. The one her dad organised for her was embarrassingly childish while the one her friends organized was much more to her liking.
    • Later, there was one for Lewis.
    • There was one for Emma's dad in an episode.
    • Although not entirely focused on the birthday itself, there is one for Rikki in season 3.
  • Black Best Friend: Tiffany, Miriam's friend in Season 1.
  • Blonde, Brunette, Redhead: Well, blonde, brunette and strawberry blonde. But which one of the blondes is the smart one? It's Emma.
    • In "Red Herring", Emma dyes her hair bright red (a Shout-Out to The Little Mermaid).
    • When Charlotte becomes a mermaid (but then it would be Blonde Blonde Brunette Redhead or Blonde Brunette Redhead (strawberry blond) Redhead
  • Body Horror: When Emma in a Season 2 episode is poisoned after cutting her finger on a piece of coral, she starts mutating into a white scaled monster.
  • Bottle Episode: "The Siren Effect" which takes place almost entirely in Cleo's house, save for two scenes in the Juice Café and one brief shot of Byron on the beach. Also the only episode not to feature a mermaid transformation at all.
    • Also "Under The Weather" which happens entirely in Emma's house apart from a brief ending scene in Cleo's room. No costly special effects are used and the one mermaid transformation scene is very brief.
  • Bragging Theme Tune:
    I've got a special power/that I'm not afraid to use...
    Cause I'm no ordinary girl/I'm from the deep blue underworld...
  • Bratty Half-Pint: Kim, Cleo's sister.
  • Brother Chuck: Some of the Season 1 characters are no where to be found in Season 2, such as Miriam and Byron. Also Ash in Season 3.
  • Brought Down to Normal: In the Season 1 finale the girls lose their powers for twelve hours after entering the moon pool during an eclipse. And in the Season 2 finale Charlotte tries to get the girls into the moon pool during the fifty year moon in order to make them permanently lose their powers, thinking that she would be the only special girl for Lewis if she did. The other girls manage to overpower her and drop her into the moon pool, causing her to lose her powers forever.
  • Calling the Old Man Out: Zane does this to his father, after helping the mermaids escape from Dr. Denman in the Season 1 finale.
  • Cast Calculus: Personality gets divided up between the three main characters, Emma being cool and organized, Rikki fiery and temperamental, and Cleo somewhere in between, being the more passive who acts as peacemaker when Rikki and Emma fight.
    • They are even color coded in Season 1- Emma wears blue, Rikki wears Red, and Cleo wears purple.
  • Clingy Jealous Girl: Season 2 character Charlotte. Sophie from Season 3 is rather clingy towards her own brother.
  • Cloudcuckoolander: Louise Chatham appears to be one of these.
    • Looking at a full moon (or even at just a reflection of one) has the effect of turning the mermaids into this. It wears off at sunrise the next morning, but until then, you can expect some crazy things to happen.
  • Coconut Super Powers: We rarely see Emma actually freezing anything. We see her pointing her hands at an object, a CGI shot of molecules freezing and then it cuts to the object already frozen. While there is an effect to show the girls turning into mermaids, they more often show the girls falling to the floor and being in mermaid form in the next shot, or else diving into the water already transformed.
  • Color-Coded Characters: Not obvious at first but in Season 1 the girls are often coded by the color of their clothing: Rikki (the brawny one, heating power) wears red, Emma (the restrained one, ice power) light blue and Cleo (who gets often caught in the middle) wears purple/pink.
  • Control Freak: Emma, and later Charlotte.
  • "Do It Yourself" Theme Tune: Even though the 3rd season reused the OP from the 1st two seasons, this version is sang by Bella's actress, Indiana Evans.
  • Does This Remind You of Anything?: The girls waking up after the Full Moon is quite similar to any teen/college student waking up after a particularly boozy night out not having a clue what they might have done.
  • Evil Redhead: Charlotte, sort of. And Sophie in Season 3.
  • Evolving Music: Played with. The show used the same theme song throughout its entire run, but it was performed by a different artist each season.
  • Fanservice: Season 1 not so much since they were all about 15 but being able to turn into mermaids doesn't stop the girls from walking around in bikinis a lot of the time. And the character of Will who spent the majority of his first episode of the series shirtless.
    • Fanservice Pack: All three girls, as well as Louis in season 2. All the actors were much older so it was okay to have them used for Fanservice.
  • Floating Water: Cleo's power lets her do this.
    • In Season 3, the water from the wall of the cave the moon pool is in combined with the water in the moon pool creates an anti-gravity ball of water.
  • Freudian Trio: Rikki is the id, Cleo is the ego, and Emma is the superego.
  • Getting Crap Past the Radar: See Kick the Dog below for the specifics but one episode has Cleo left depressed and she swims out into the middle of a known shark breeding ground. Yep, probably the first kids' programme to show a character nearly committing suicide.
  • Heel–Face Turn: Charlotte in Season 2. Sophie in Season 3.
  • Hollywood Nerd: Cleo's boyfriend Lewis.
  • Hollywood Tone-Deaf: Cleo, as demonstrated in "The Siren Effect". The same episode has Rikki doing some truly awful karaoke as well though she's clearly doing it badly on purpose.
  • Hot Scientist: Dr. Denman. The characters even mention she looks more like a Baywatch actress than a scientist.
    • In season 3, Cleo becomes one of these.
  • How Do I Shot Web?: Each girl spends an episode wondering what her power is. When Rikki tries to find her power the first gesture she makes is the one Spider-Man uses to shoot web.
  • Ice Magic Is Water: Emma's powers are ice-themed as extensions of her water control.
  • Idiot Ball: So much of the drama could be resolved if the characters would actually try to properly communicate with each other instead of just being snide and evasive with each other.
  • I Just Want to Be Normal: Gracie, one of the three original mermaids felt this way. Louise Chatham also mentions that she also eventually found the burden of being a mermaid too much and gave it up. Mostly averted with the main trio, although Emma and Cleo at first had some trouble adjusting to their new situation, since Emma had to quit the swim team and Cleo hadn't yet learned how to swim and was somewhat afraid of water.
  • I Just Want to Be Special: When Charlotte learns that her grandmother Gracie was a mermaid, and later discovers that Cleo, Emma and Rikki are mermaids as well, she decides that she wants to become a mermaid herself. She succeeds.
  • Idiosyncratic Wipes: Splashes of water.
  • Image Song: Bella is fond of these (and the only one of he mermaids to do so), due to singing songs in Season 3.
  • Insists on Paying: Zane buys gifts, like an engraved iPod for Rikki, who resists.
  • Irony: Becoming a mermaid ended Emma's career as the champion of the school swim team.
  • Jerk with a Heart of Gold: Rikki.
  • Kick the Dog: Charlotte stealing Cleo's locket and making her believe that Lewis no longer cares about her.
  • Kissing Under the Influence: All three girls kissed their love interests in Season 1 while under the influence of the full moon.
  • Letting Her Hair Down: The mermaid transformation does this to the girls for no apparent reason. Also Rikki is rarely shown with her hair down at first but wears it down more often as she undergoes Character Development.
  • Lonely Rich Kid: Zane.
  • Love Potion: In one episode, Nate gets hold of some ambergris which makes him irresistible to the mermaids.
  • Love Triangle: Sort of, between Cleo, Lewis and Charlotte in Season 2.
  • MacGuffin Location: Mako Island often seems to serve this purpose.
  • Magical Girls
  • Magic Pants: During the shift from human to mermaid form not only do clothes disappear until the girls become human again but any hair decorations and hair spray also disappear, leaving the transformee's hair untied. This seems to work both ways, as when Emma dyed her hair red in mermaid form, it reverts to her natural blonde color when she is human.
  • Making a Splash: Seldom used offensively, though, except as a prank.
  • Manipulative Bastard: Charlotte may count as a minor version of this.
  • Nice Job Breaking It, Hero: In one episode, the mermaids and Lewis make a magic potion that can supposedly allow mermaids to grant wishes. However, when it apparently doesn't work, Rikki declares it a waste of time, and she uses her powers on it one more time before leaving. This causes the potion to start growing and it spreads all over the coolroom in the Juicenet café and eventually starts spreading into the café itself. Later in the episode, she also suggests to Emma that she try to use her power to freeze the stuff, which only causes the stuff to spread even faster.
  • Organic Bra: In mermaid form, the girls have scales in exactly the same pattern as a bra, complete with straps.
  • Our Mermaids Are Different: Like in films like Splash, a dry mermaid has human legs and a wet mermaid has fins. Mermaids also hold Elemental Powers and magic.
  • Overprotective Dad: Cleo's, who seems to be afraid that his daughter will get pregnant with triplets if a boy so much as holds her hand. Averted with Emma's father who is nice and normal, and Rikki's is only hostile to Zane because of a misunderstanding.
  • Parental Bonus: Emma's behaviour at her first Full Moon is going to make most parents chuckle with how similar it is to a teenager getting drunk for the first time at a family gathering.
  • Playing Sick: The girls had to do this in one episode because it was raining outside, however things got a bit out of hand...
  • Power Trio
  • Puppy Love: in-universe. One episode had Emma's younger brother Elliot trying to ask Cleo's younger sister Kim out. Kim just took advantage of him and kept bossing him around. He eventually got tired of her attitude and ditched her at the end of the episode.
  • Put on a Bus: Multiple cases.
    • Between the first and second season, Cleo and Kim's mother leaves and divorces their father, never to be seen again.
    • In Season 3, Emma and her family has left town to travel around the world. Later that season Lewis leaves to go study in America.
  • Reed Richards Is Useless: The rare mermaid guide Lewis bought. The girls don't seem interested until Cleo thinks of a way to reunite her parents, and then it's lost while dealing with the wish-granting potion. There's no telling what other information was lost - even a way to only change in seawater, and stay human in freshwater?
  • Rich Suitor, Poor Suitor
  • Running Gag: When the mermaid trio get wet by accident and transform while in a standing position, this is immediately followed by falling to the ground as their tails can't hold them in a standing position.
  • Scenery Porn / Real Place Background: Sponsored by Australia's Gold Coast tourist board and Sea World. Many Americans hadn't really heard of the Gold Coast before this, but wow, is it pretty.
  • Screw the Rules, I Have Supernatural Powers!: Charlotte entered the moon pool alone. She developed all three of the girls' powers, and turned out to be the most talented at learning them. To put it mildly, this went to her head to the point of nearly killing Nate, and then Cleo's favorite dolphin, Ronnie.
  • Shout-Out:
  • Slap-Slap-Kiss: Rikki and her on-and-off again boyfriend.
  • Super Power Meltdown: Happens every time there's a full moon to the three girls. Which is often, and quite painful and scary for them.
  • Tempting Fate: All three episodes of the second season that features the girls being affected by the full moon has an early scene in which at least one of the girls tells Lewis that they can handle the full moon without his help. All three times, all three girls end up under the moon's influence anyway.
  • Theme Tune Cameo:
    • In "Sink or Swim", Emma refers to herself as "Not an ordinary girl."
    • In the Season 3 finale, Bella performs the theme song at Rikki's Cafe.
  • They Would Cut You Up: Part of the girls' justification for hiding their status as mermaids.
  • Tomboy: Rikki.
  • Too Dumb to Live: The girls have been warned of the effects of the full moon. Yet it - an inanimate hunk of rock - manages to outwit them every single night it's visible (at least for the first season and a half or so; after that, they just become... more immune to it, rather than mastering the art of not looking at it).
  • Tsundere: Rikki.
  • Tranquil Fury: Rikki lapsed into this when she found out that she was tricked into working for an illegal fish selling operation.
  • Transformation Fiction: A major focus of the story is how the Involuntary Shapeshifter status of the girls and aim to keep their mermaid status a secret effects their lives.
  • Transformation Sequence: The girls' mermaid transformation is initiated ten seconds after touching water, in which they flash blue for a moment before changing.
  • Walk On The Wild Side Episode: Emma gets this twice. The first is a small one where she decides to dye her hair red after being called predictable and the second has her completely slacking off and throwing a Wild Teen Party in her house. She's learnt her lesson by the end of the episode of course. Rikki of all people has to calm her down.
  • Weird Moon: Moonlight, when seen through the Moon Pool, turns people into mermaids and grants them powers.
    • The effects of a full moon cause the girls' powers to lose control.
    • In the final episode, the full moon is overhead at 7:32. The full moon should only be overhead within an hour or so of midnight.
  • What Did I Do Last Night?: The girls usually find themselves wondering this having been affected by the full moon.
  • Who Wears Short Shorts?: All the girls, though justified since it's Australia.
  • Wild Teen Party: Emma throws one of these to show she can be fun and it naturally gets out of hand with her mother's crystal ornament getting broken. In another episode Rikki trashes the kitchen with her powers and Emma lies saying they had a party.
  • You're Just Jealous: This gets thrown around a couple of times in the episode where the mermaids are infatuated with Nate.

Alternative Title(s): H 2 O Just Add Water

http://tvtropes.org/pmwiki/pmwiki.php/Series/H2OJustAddWater