Watch H2O Season 3
Episode 26
Graduation
aired: Mon, Apr 2, 2012
Sophie and Ryan damage the Moon Pool in their efforts to obtain the rare crystals. The girls improvise and use their own magic to prevent the impact of the comet and a planet wide catastrophe. Rikki, Cleo and Bella graduate with a surprise.
Episode 25
A Date With Destiny
aired: Mon, Apr 2, 2012
Cleo discovers a comet is causing fish to flee the waters around Mako Island. The girls find a way to restart the message in the Moon Pool and discover the comet will collide with earth. Sophie meets Ryan and with Zane's help they join forces to remove the crystals from the Moon Pool.
Episode 24
Too Close for Comfort
aired: Mon, Apr 2, 2012
Don gets a second job at the Marine Park on the Pirate ship and outshines Cleo, threatening the future of her Dolphin show. Bella and Will find difficulty trying to connect with each others' interests.
Episode 23
Beach Party
aired: Mon, Apr 2, 2012
Bella's eager to ask Will to the end of year party until she sees him asking Rikki. A big misunderstanding occurs which prompts Will to express his true feelings for Bella. Sophie tries to get Zane to change the name of the cafe.
Episode 22
Mako Masters
aired: Mon, Apr 2, 2012
The girls sit their final school exams and have to avoid a water attack in public when the full moon rises early. They confront the water force in the Moon Pool and are given a message about Mako Island.
Episode 21
The Jewel Thief
aired: Mon, Apr 2, 2012
The girls discover the Mako crystals contain immense energy and need to mount a rescue mission when Zane jealously steals one in an effort to gain Rikki's attention.
Episode 20
Queen for a Day
aired: Mon, Apr 2, 2012
Zane installs Sophie as head of staff at the cafe. Bella develops a sneezing allergy that also accidentally triggers her powers. Sophie seizes on the problem and looks to fire Bella and the band.
Episode 19
Breakaway
aired: Mon, Apr 2, 2012
Will competes in the Free-Diving Championships but afterward chooses to break from the sport and shrug off Sophie's influence on his life. Rikki sees Sophie kissing Zane at the event and breaks off their relationship.
Episode 18
Into the Light
aired: Mon, Apr 2, 2012
Rikki fears Ryan's explorations on Mako Island will uncover their secrets but Cleo and Bella discount her concern. She almost goes too far trying to stop Ryan from discovering the crystals in the Moon Pool.
Episode 17
A Magnetic Attraction
aired: Mon, Apr 2, 2012
Cleo's introduced to Ryan, a young geophysicist who's working for Samantha. Rikki doesn't react well to Cleo consulting Ryan about the Mako rock and a fracture begins to appear in the trio.
Episode 16
The Dark Side
aired: Mon, Apr 2, 2012
Rikki's frustrated by the water attacks and goes to Mako Island on a full moon to confront the strange force in the Moon Pool. With Cleo and Bella delayed, Will pursues her and discovers she's been affected by the experience.
Episode 15
Power Play
aired: Mon, Apr 2, 2012
Sophie uses Bella‟s idea for a fundraising concert and presents it as her own to Rikki to gain publicity for the cafe. Cleo's caught in the crossfire with Kim when Samantha moves in and puts her stamp on the Sertori home.
Episode 14
Mermaid Magic
aired: Mon, Apr 2, 2012
Will pushes himself too far when Zane challenges him to prove his skills as a free-diver. The girls discover a unique crystal in the rock from the Moon Pool.
Episode 13
To Have & To Hold Back
aired: Mon, Apr 2, 2012
Kim attempts to derail Don and Samantha's wedding. Lewis receives an opportunity to study in America. Cleo realises she's got to let Lewis live his own life and let him go overseas.
Episode 12
Crime & Punishment
aired: Mon, Apr 2, 2012
Rikki receives counterfeit money at the cafe and is held captive by criminals on a boat. Bella and Cleo are forced to reveal the trio's secret to Will so they can rescue Rikki together.
Episode 11
Just a Girl At Heart
aired: Mon, Apr 2, 2012
Bella helps Will with his free-diving training but when she realises he's more interested in her as a mermaid than a girl, she's hurt. Rikki and Cleo have to improvise when the cafe's first corporate function is actually a children‟s party.
Episode 10
Revealed
aired: Mon, Apr 2, 2012
Bella's warned to back off from Will as he's on the trail of the girls' mermaid secrets. She gets too close to him and he finally discovers she's a mermaid.
Episode 9
The Sorcerer's Apprentice
aired: Mon, Apr 2, 2012
Cleo defies Lewis' advice and experiments with the magic Moon Pool water. Using her powers, Rikki accidentally gets the water into Cleo's aquarium and all the girls have to rescue Cleo's fish Hector.
Episode 8
Kidnapped
aired: Mon, Apr 2, 2012
Rikki and Bella hide out at Cleo's to protect themselves from a full moon water attack. Bella's kidnapped by a water tentacle and taken to Mako Island. Lewis tries to keep Will away from the island so the girls can rescue her.
Episode 7
Happy Families
aired: Mon, Apr 2, 2012
A problematic family beach picnic leads Don to end his relationship with Samantha until Cleo encourages him to pursue it. Will's sister Sophie competes with Bella for a job at the cafe and sets her sights on Zane.
Episode 6
Secrets & Lies
aired: Mon, Apr 2, 2012
Bella attempts to start a relationship with Will until she sees he's apparently got another girl. Lewis tests the magic Moon Pool water at school and attracts the attention of their Science teacher.
Episode 5
Big Ideas
aired: Mon, Apr 2, 2012
Zane concocts a dirt bike race to publicise the cafe. When Rikki discovers it's a scam she and Bella decide to teach him and Nate a lesson. Cleo and Lewis make a big discovery about mixing the waters in the Moon Pool.
Episode 4
Valentine's Day
aired: Mon, Apr 2, 2012
Cleo's forced to put Lewis' plans for romance on hold to restrain Kim's out of control love life. During this Don meets Samantha, a National Parks Manager and they start to date.
Episode 3
Keep Your Enemies Close
aired: Mon, Apr 2, 2012
Cleo seeks a new job as an assistant dolphin trainer at the Marine Park. Rikki fires Nate's band from playing at the cafe until she and Bella reach an understanding.
Episode 2
Jungle Hunt
aired: Mon, Apr 2, 2012
Will seeks confirmation of his first experience on Mako Island. Bella volunteers to misdirect his search so he won't find the Moon Pool. The girls and Lewis discover the Moon Pool has changed.
Episode 1
The Awakening
aired: Mon, Apr 2, 2012
Cleo and Rikki face their final year of high school without Emma. They make a new friend in Bella and meet new boy Will – and encounter a strange new force on Mako Island that turns water against them.
Watch H2O Season 2
Episode 26
Unfathomable
aired: Mon, Apr 2, 2012
The full moon rises, and with the planets lining up, it can remove mermaid powers for good. Knowing this, Lewis lures Charlotte to the moon pool but it backfires and Emma, Cleo and Rikki could lose their powers.
Episode 25
Sea Change
aired: Mon, Apr 2, 2012
Cleo is bullied by Charlotte and runs away to the ocean. With Cleo missing, everyone becomes more and more worried. Lewis discovers what Charlotte has been up to and breaks up with her. He finds Cleo and they kiss.
Episode 24
Three’s Company
aired: Mon, Apr 2, 2012
Charlotte takes over and organizes a surprise party for Lewis, annoying Rikki. At the party, Charlotte is jealous of Cleo and traps her and Emma in a pool room. Rikki comes back just in time.
Episode 23
Reckless
aired: Mon, Apr 2, 2012
As the girls continue to have problems accommodating Charlotte as a mermaid, Nate bullies Lewis. Despite the girls’ attempts to keep Charlotte under control, she uses her powers on Nate and almost exposes them all.
Episode 22
Bubble Bubble Toil and Trouble
aired: Mon, Apr 2, 2012
The girls have to deal with a fourth mermaid who turns out to be a loose cannon; Charlotte almost turns into a mermaid at a volleyball competition. Charlotte discovers she has all three mermaid superpowers. Ominous signs.
Episode 21
And Then There Were Four
aired: Mon, Apr 2, 2012
Charlotte follows Lewis to Max Hamilton. Max tells all to Charlotte when he discovers she’s the granddaughter of his one true love. Charlotte and Lewis almost break up until she goes to the moonpool, becoming a mermaid herself!
Episode 20
The Gracie Code Pt 2
aired: Mon, Apr 2, 2012
Ash comes close to finding out about Emma. Meanwhile, the girls discover that Charlotte’s grandmother was Gracie. Old wounds open up for Charlotte and she finds part of Max’s research: an old movie of Gracie – as a mermaid!
Episode 19
The Gracie Code Pt 1
aired: Mon, Apr 2, 2012
Lewis discovers someone called Max Hamilton did research fifty years ago on the strange properties of Mako Island. Lewis tracks the old man down and finds that he knows a lot more about mermaids than Lewis first thought.
Episode 18
The Heat is On
aired: Mon, Apr 2, 2012
When Zane and Ash clash at the juice bar, Rikki and Emma take their boyfriend’s sides. Cleo is left alone celebrating their one year anniversary of becoming a mermaid – until Lewis arrives just in time to help.
Episode 17
Moonstruck
aired: Mon, Apr 2, 2012
Cleo and Rikki push Ash into asking Emma out again – little did they know he’d turn up at Emma’s place in time for a full moon! Rikki and Cleo are both moonstruck and Ash looks set to discover Emma’s secret.
Episode 16
Double Trouble
aired: Mon, Apr 2, 2012
Lewis has a bad dream about mermaids being discovered. It threatens to come true when Elliot asks Kim out on a date to the marine park and Cleo finds herself in trouble underwater in front of a crowd of people.
Episode 15
Irresistible
aired: Mon, Apr 2, 2012
Lewis and Zane find an old myth about mermaids is true – the scent of ambergris sends them wild. But it backfires when sleazy Nate gets hold of the scent and has all three mermaid girls on his arm!
Episode 14
Get Off My Tail
aired: Mon, Apr 2, 2012
Emma thinks she’s going to get a promotion at the juice bar but Ash is given the job. Emma and Ash clash over the job, but we discover it’s over a lot more. Meanwhile, Lewis stands up to Charlotte over spending time with Cleo.
Episode 13
Moonwalker
aired: Mon, Apr 2, 2012
Don takes the family camping on Mako Island during a Full Moon. The girls are affected and need the moon pool for sanctuary. Charlotte almost slips in the moon pool and realizes something weird is going on there.
Episode 12
Fish Fever
aired: Mon, Apr 2, 2012
Emma starts acting weird after pricking her finger on a barb of coral. Cleo's fish Hector exhibits the same behavior. Emma becomes more and more like a fish and Lewis has to find a way to cure her.
Episode 11
In Over Our Heads
aired: Mon, Apr 2, 2012
Zane hears of a treasure under the ocean and enlists the girls to find it. Rikki is injured in the search. Zane gives Rikki’s dad the $10000 reward. Charlotte contrives to keep Lewis from the girls.
Episode 10
Missed the Boat
aired: Mon, Apr 2, 2012
Cleo is failing at school and is assigned a tutor - Charlotte. Cleo wants Lewis back but her attitude to Charlotte only drives him further away. Cleo discovers Lewis and Charlotte kissing.
Episode 9
Riding for a Fall
aired: Mon, Apr 2, 2012
Emma meets Ash - a handsome horse riding instructor. A horse falls ill and Emma must use her powers to fix it. Lewis accidentally invites both Charlotte and Cleo to an awards dinner.
Episode 8
Wrong Side of the Tracks
aired: Mon, Apr 2, 2012
Zane has an argument with a man in a trailer park but little does he know it’s Rikki’s dad. Rikki has to overcome her shame about her background and introduce her dad to Zane.
Episode 7
In Hot Water
aired: Mon, Apr 2, 2012
A mermaid prank gone wrong leads to a dolphin going missing at the Marine Park and Lewis has to take the fall to protect the girls. In the end the girls figure out a way to clear him without risking exposure.
Episode 6
Pressure Cooker
aired: Mon, Apr 2, 2012
Don appears to have a girlfriend - Cleo is shocked to find it is Charlotte’s mother. Lewis becomes aware of Charlotte’s feelings for him.
Episode 5
Hocus Pocus
aired: Mon, Apr 2, 2012
Cleo notes that Don seems to be down since her mother left. Later, Lewis finds an old book on mermaids and tests out a potion recipe on the girls, supposed to grant wishes. Cleo instantly thinks it could help get Don and her Mum back together. They make the potion and it doesn’t seem to work. Annoyed, Rikki gives it a zap with her heat powers – and the potion goes berserk in the café overnight, turning it into an algae covered mess! With Wilfred and Charlotte trying to get inside the café, the guys have to keep them out until they can restore everything back to normal. Cleo’s mother doesn’t return and she comes to realize this is the way life is going to be.
Episode 4
Fire and Ice
aired: Mon, Apr 2, 2012
Rikki comes to stay at Emma’s house and stirs up the family unit by messing up the order of things. In trying to compete with Rikki, Emma tries to rebel and throws a party. Meanwhile Lewis wants to know why Cleo broke up with him; concerned that he’s not masculine enough for her. Nate uses this to put pressure on Lewis, teaching him karate – but at the same time, Nate makes a play for Cleo. The party gets out of hand: one of Emma’s mother’s figurines is smashed, Lewis confronts Nate and Emma is drenched in front of everyone. In the end, Emma proves she is a rebel – well, almost.
Episode 3
The One That Got Away
aired: Mon, Apr 2, 2012
Zane’s back in town and still in love with Rikki. Although he believes she’s not a mermaid anymore, things are still tense between them. Rikki assures Emma she can handle Zane; they broke up and that’s all there is to it. As Zane continues to try to win Rikki’s affections, he realizes she’s still a mermaid and saves her from the threat of discovery. Meanwhile, Lewis conceals his hurt about breaking up with Cleo. Charlotte takes the opportunity to spend more time with him, drawing Cleo’s ire. Suspicious of Charlotte, Cleo tries to find out more about her but only manages to embarrass herself.
Episode 2
Control
aired: Mon, Apr 2, 2012
Cleo uses her mermaid powers to avoid a sprinkler and inadvertently splashes Charlotte, the new girl at school. Lewis and Charlotte meet and it’s clear she likes him straight away. With the girls’ mermaid powers turned up to max, Lewis tries his best to help but his attempts only cause Cleo to feel crowded by him. Frustrated, Cleo finally has enough of Lewis’ smothering and reluctantly dumps him. Lewis is devastated but he meets Charlotte once again and they bond. Meanwhile, Emma uses her new powers to help Elliott win at soccer.
Episode 1
Stormy Weather
aired: Mon, Apr 2, 2012
Emma, Rikki and Cleo are teenage girls with a secret – they’re still mermaids. They’re handling life pretty well but the threat of the full moon, and the strange effects it has on mermaids, looms. This time Lewis is certain he can help but things go awry and the girls are moonstruck. Under the influence of a full moon the girls’ powers are hugely enhanced and they wreak havoc on Lewis in his boat. The next day the girls have no memory of the night before as they each discover their powers are out of control. Lewis is missing and the girls are worried. They find him on Mako Island, fearful of them. They all realize things have drastically changed.
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Episode 26
A Twist In the Tail
aired: Mon, Apr 2, 2012
Zane tells Rikki that Denman and his father have photographic evidence of mermaids. The girls freak. Denman lures Lewis to her boat in a bid to get the girls to follow. It works and when the girls surface at the moon pool, Denman is there waiting for them and traps them.
Episode 25
Dr Danger
aired: Mon, Apr 2, 2012
Dr Denman returns to do research on Mako Island and the girls fear this means trouble. Meanwhile, Emma is having family dramas of her own – trying to avoid going on the family beachside holiday. Zane hears about Denman's research and is intrigued – perhaps she can help him find the mermaid. He suggests she place cameras near Mako Island. She does and in doing so, finds the moon pool and a mermaid scale!
Episode 24
Love Potion #9
aired: Mon, Apr 2, 2012
It's the school dance and Cleo and Emma have boy issues. Cleo wants Lewis to ask her and Emma wants Byron, but neither boy gets the message. On top of this, as much as they want to attend, there is the very real risk of water disasters at the dance. Lewis thinks he’s found a way to control the girl's mermaidness in the form of a waterproof spray. It works a treat until of course the girls start going redder than beetroots.
Episode 23
In Too Deep
aired: Mon, Apr 2, 2012
Rikki is shocked when she finds an old locket, identical to Cleo's, for sale at the local jewelers. When Miss Chatham is told about her discovery, she is immediately distressed, fearing the worst for her long lost friend Julia, the original owner of the locket. Rikki calms her by promising she'll buy it back. But Miriam, sensing the chance to cause trouble, buys the locket for herself and proudly displays it in front of a furious Rikki.
Episode 22
Fish Out of Water
aired: Mon, Apr 2, 2012
Emma and Cleo discover Zane and Rikki are an item and force her to choose – him or them. Rikki is not impressed that her friends have put her in this position and so sides with Zane. Wearing a stunning dress that Zane has given her, Rikki accompanies him to his father's development lunch, much to the upset of Harrison. Emma is also dragged along to the lunch by her parents. There, they discover that Harrison plans to develop Mako Island into a multi-million dollar tourist resort. Emma and Rikki are horrified and Rikki tries to turn off the investors.
Episode 21
Red Herring
aired: Mon, Apr 2, 2012
On the monster hunt, Zane finds evidence linking Miss Chatham to a decades old mermaid sea rescue. He turns up at Emma's in search some answers and catches Emma at a very awkward moment. She is in the middle of dying her hair red and the water in the dye has morphed her into a mermaid so is forced to pretend act quickly to avoid being caught. She's not the only one acting strange – Rikki who has been staving off Zane's advances is more than a little uncomfortable at his arrival. After Zane leaves the girls go into panic mode, enlisting Lewis to help sabotage Zane's dive on Miss Chatham’s boat. Lewis manages to slow Zane down but not quite enough – because at the wreck Zane catches sight of a red headed mermaid (Emma)!
Episode 20
Hook, Line and Sinker
aired: Mon, Apr 2, 2012
Lewis enters the fishing competition but the other competitors see him as a bit of a joke so Cleo swims out to sea to find him an impressive fish to put on his hook. Problem is, it's a little too impressive. The judges suspect he's a cheat. Lewis is forced out of the competition. In the meantime, Rikki and Zane get stuck together on a balcony of a fancy hotel. Zane has a fear of heights but Rikki is calm, until Zane points out it looks like rain.
Episode 19
Hurricane Angela
aired: Mon, Apr 2, 2012
Things heat up between Cleo and Kim as their warring ways come to a head. The situation gets more out of hand when their cousin, the manipulative Angela, comes to stay. When Cleo is roped into babysitting, she and Lewis decide to take the girls to the Marine Park. But things go haywire when the group separate and Angela and Kim go missing.
Episode 18
Bad Moon Rising
aired: Mon, Apr 2, 2012
It's another full moon and this time the girls are prepared. They decide to moon proof Emma's house and camp out there for the night. Things seem fine until a glimmer of moon from a quickly shut door lands on Rikki. Her powers start to boil everything dry and she accidentally burns Emma! Rikki escapes to Mako so she won't put anyone else in danger, but there she finds she dries up and burns everything too!
Episode 17
Under the Weather
aired: Mon, Apr 2, 2012
A rainy day traps the girls at Emma's house. One by one the girls pretend to be sick so that Lisa won't make them go to school and hence go out into the downpour. They use their magic to mimic symptoms to such a convincing degree that Lisa calls in the doctor and the girls have to try to fool her too. They do it so well that Dr Holt believes they have a rare tropical disease!
Episode 16
Lovesick
aired: Mon, Apr 2, 2012
At the Marine Park, Ronnie the dolphin will only eat from Cleo's hand so the head Dolphin Trainer, Mitch calls Cleo at home to come back and help with feeding. Bev overhears part of the conversation and thinks Cleo has a boyfriend. Don is horrified. Suspecting Lewis, he takes him aside for a man to man. Lewis assures Don he’s not her boyfriend so they team up to find out who is.
Episode 15
The Big Chill
aired: Mon, Apr 2, 2012
Emma is put in charge of managing the juice bar. Miriam decides to cause trouble and cuts the power to the cool room, then is unwittingly frozen by Emma who uses her powers to fix the freezer. Will the girls be able to thaw Miriam out?
Episode 14
Surprise!
aired: Mon, Apr 2, 2012
Cleo's dad plans an embarrassing surprise party for her birthday so she escapes to Mako Island. Zane and Lewis almost spot her there on their expedition to catch the sea monster.
Episode 13
Shipwrecked
aired: Mon, Apr 2, 2012
At the marina, Emma witnesses Miss Chatham arguing with Zane because she accidentally knocked into his jet-ski with her decrepit boat. When Miss Chatham's living situation comes under threat, Emma helps her out, arranging for her to stay at her place for a while. In talking to Miss Chatham, the girls soon discover she knows their secret. They want to help her but she is determined to remain living on her old boat and drives it out to sea in the night. When Zane follows Miss Chatham and boards her boat he causes a fire and becomes trapped in the cabin. Emma rushes to save him and as the door to the cabin is mysteriously opened, Zane just about to pass out, sees something incredible under the waves: a mysterious tail! But belonging to what?
Episode 12
The Siren Effect
aired: Mon, Apr 2, 2012
Another full moon strikes – but this time the girls are prepared; they are going to stay indoors and watch DVDs. Everything seems to be going well until Cleo is transfixed by the reflection of the moon in a pool of water in the bathroom sink. Cleo is suddenly turned into a magical siren, attracting all the young males in the vicinity with her angelic voice! Even Lewis can't resist her and they share a kiss. Cleo revels in all the attention and even calls a radio station to sing them her magical song.
Episode 11
Sink or Swim
aired: Mon, Apr 2, 2012
Against her better judgment, Emma is persuaded by Byron to train him for the swimming competition. When they get to the pool, she discovers Byron isn't a very dedicated swimmer. In an effort to whip him into shape, Emma becomes the training super dragon. Byron takes this at first, and they even share a romantic kiss, but soon her rigid regime becomes too much and he fires her. Emma is devastated and asks the girls if she really is that mean. Well, she can be. Meanwhile, Rikki is trying some nasty tricks of her own. She can't believe Lewis never loses his cool and tries all sorts of pranks to make it happen.
Episode 10
The Camera Never Lies
aired: Mon, Apr 2, 2012
There's a short film competition at the juice bar. Zane, in an effort to impress his father, enters the competition attempting to film himself breaking his father's windsurfing record around Mako Island. Emma is busy organizing everyone to partake in her own film. She's a demanding director and, one by one, people find ways of getting out of it. Rikki takes off underwater to film sharks while Lewis is roped into work with Zane. But when Zane falls off the windsurfer, he finds himself surrounded by sharks! Rikki, as a mermaid, surreptitiously saves him. Zane ends up winning the prize at the competition – but no-one believes Zane about the sharks; no-one that is, but Rikki.
Episode 9
Dangerous Waters
aired: Mon, Apr 2, 2012
One of Cleo's favorite pet fish, Pluto, has died. When Rikki tries to buy a replacement, she makes the mistake of getting a fresh water fish when Cleo collects saltwater fish. Using her abilities as a mermaid, she finds a wild fish – and as she's taking it to Cleo, she's offered big bucks for it. Sensing an opportunity to earn some quick cash, Rikki finds herself unwittingly involved in a fish smuggling operation. But you don't cross someone like Rikki and get away with it lightly, especially when she has mermaid powers!
Episode 8
The Denman Affair
aired: Mon, Apr 2, 2012
Lewis studies the girls and is on the verge of discovering how they transform into mermaids. It's all mind-numbingly boring to the girls until Lewis meets a charismatic newcomer, Dr Denman. She's a drop-dead gorgeous marine biologist and Lewis is tempted into telling her too much about his friends' secret. Cleo is immediately jealous but when Denman steals Lewis' samples, the mermaid secret comes under threat. Will Lewis abandon his friends and risk their secret, all in the name of science?
Episode 7
Hotaru
aired: Thu, Feb 14, 2008
It's the night of Emma's father's birthday party and also a full moon. Miss Chatham warns Cleo of impending trouble during full moons but the girls ignore her advice. When Emma touches the moon's reflection on water - she is turned into a carefree, wild mermaid; the exact opposite of her usual, careful self.
Episode 6
Young Love
aired: Mon, Apr 2, 2012
Rikki, as a mermaid, saves Elliot from drowning at the beach. She succeeds without Elliot seeing her tail – but there’s another problem; he falls in love with her!
Episode 5
Otoha
aired: Thu, Jan 31, 2008
Lewis is busy testing the girls' powers, attempting to discover how they became mermaids. He warns them to stay on their toes if they want to keep their secret. Meanwhile, Cleo's younger sister, Kim, finds Cleo's diary, full of mysterious symbols and drawings of mermaids. Kim is totally intrigued and when she spots evidence of mermaidness, she comes close to finding out the girls' secret! But the girls put her off the scent, directing her attention to Miriam – and Kim's suspicions about mermaids are allayed when she mistakenly douses Miriam with a fire hose at the Queen of the Sea contest.
Episode 4
Party Girls
aired: Mon, Apr 2, 2012
Determined to live her life as normal, Cleo confronts her fears and lands a job at the Marine Park, helping out to feed the dolphins. Despite her precautions, she gets splashed and, just as she's about to turn into a mermaid, a mysterious Old Woman, Miss Chatham, comes to her rescue. Cleo is certain Miss Chatham knows more than she's letting on. Meanwhile, out exploring the Moon Pool at Mako Island, Emma find a necklace; more proof that the girls are possibly not the first to have been there. Also determined to live a normal life, Emma goes ahead with a sleepover party. When Cleo is splashed at the sleepover, Cleo has to hide in a closet before she morphs. Cleo is revealed to the party – as a mermaid but in her sleeping bag! After this, our girls realise life will never be the same.
Episode 3
Catch of the Day
aired: Mon, Apr 2, 2012
Emma and Rikki love being mermaids and exploring the underwater realms but Cleo, with her fear of water, still won't go in. Out on one of their amazing mermaid adventures underwater, Emma and Rikki save a sea turtle from a fishing trawler's net, and they are mistaken for sharks! A shark hunt ensues. Cleo overcomes her fear of water to save another turtle but finds herself trapped in a fishing net. Emma and Rikki free her just in time. Cleo is saved and has also discovered how amazing it is under the sea as a mermaid.
Episode 2
Hayami
aired: Thu, Jan 10, 2008
Annoying Miss Popularity, Miriam, is having a pool party that the girls don't want to miss. But it's a risky activity for three mermaids: their secret could be out. Spurned by Lewis, Rikki discovers her mermaid power is to boil water at will! For a hot-head like Rikki, this is dangerous. Meanwhile, Cleo's close friend Lewis is getting closer to finding out about the girls; almost busting Emma and Rikki, as mermaids. At the pool party, Cleo's plan not to go swimming goes out the window as Zane and his mates toss her into the pool. But luckily the guys walk away before she turns into a mermaid. The only thing is – she needs someone who's not a mermaid to get her out – Lewis.
Episode 1
Takuma
aired: Thu, Jan 3, 2008
H20 takes place on the sunny coast; surf, sand and never-ending sunshine. Here we meet Emma, champion swimmer, her friend Cleo and rebellious new girl Rikki. When bad boy Zane plays a prank on Cleo, the three girls find themselves stranded on Mako Island. There, they discover a secret pool where, by the magical powers of the full moon, they are turned into mermaids! Any contact with water makes them sprout a tail in ten seconds – but once they dry off, they return to human form. They also now have strange powers over water which Cleo uses to get even with Zane. Can the girls be normal teenagers with this crazy secret?

