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H2O: Just Add Water episode list

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The following is an episode list for the Australian television show H2O: Just Add Water, which airs on Network Ten, Disney Channel Australia, Nickelodeon, Nickelodeon UK and other television networks worldwide. The series premiered on July 7, 2006, and series two concluded on March 21, 2008. A third series is planned for early 2009.[1]

Series overview[]

Season Episodes Originally
aired		 DVD release
date
1 26 2006 September 12, 2007 - November 5, 2008
(six volumes)
2 26 2007-2008 January 27, 2009 - 2 September 2009
(three volumes)
3 26 2009-2010 June 27, 2012 - September 5, 2012
(two volumes)

Episode list[]

Series one: 2006[]

Episode Title Original AirDate Production code
01 "Metamorphosis" July 7, 2006 101
Cleo, Emma and Rikki, three different teenage girls, suddenly find they each have a different, extraordinary power over water after a boat trip leaves them stranded on a mysterious island. That is not all: they find that just seconds after touching water, they grow tails! Their lives will change forever as they learn more about their own potential and the power of friendship.
02 "Pool Party" July 14, 2006 102
Despite knowing what water can do, the temptation of Miriam's pool party proves too strong for Cleo and when she is nearly exposed, she must turn to Lewis for help. Rikki, who was the last of the three to discover her power, found out about it when being bugged by Lewis at the juicenet cafe and accidentally heated up a cup of coke.
03 "Catch of the Day" July 21, 2006 103
Cleo does not share her friends' enthusiasm for their new-found abilities. Emma and Rikki's efforts to rescue sea turtles, which are trapped in fishing nets, cause a media frenzy about sharks patrolling the nearby waters. Believing her father to be involved, Cleo takes it upon herself to go after the boat responsible for the illegal fishing practices but finds herself caught in a net. Emma and Rikki save her and Cleo explains everything to her father. It is revealed that an assistant of Cleo's father is to blame. Later, she shows Emma, Rikki and Lewis she can swim.
04 "Party Girls" July 28, 2006 104
Emma travels back to Mako Island where she finds a mysterious locket at the bottom of the moonpool. The risks associated with Cleo's new job at the marine park give her friends cause for concern but Cleo's determination to lead a normal life helps convince Emma to set aside her own concerns and go ahead with her annual sleepover party. Lewis experiments to determine what will change the girls. Miss Chatham makes her first appearance by giving hints to Cleo about her mermaidness when Cleo got splashed by one of the fish that were supposed to be fed to the dolphins.
05 "Something Fishy" August 4, 2006 105
Cleo's secret diary falls into her sister's hands and Kim's suspicions quickly grow into a plot to expose Cleo and rest of the "evil mermaids". Cleo, Rikki, Emma, and Lewis quickly turns their suspicions to Miriam, who Kim thinks is the leader of the pack. Together, Kim and Emma's little brother Elliot, plots to expose all the mermaids during the Miss Sea Queen pageant. Lewis travels to Mako Island to try to find out the cause of the girls' transformation.
06 "Young Love" August 11, 2006 106
While babysitting Emma's brother Elliot, Rikki risks exposing her secret when he gets into trouble surfing. The girls turn to Lewis for advice when Elliot develops a crush on Rikki but the abrasive Rikki has a hard time letting him down gently, resulting in him running away. When Rikki finds him to apologies, however, she risks revealing the mermaid secret to him by almost being locked in a green house that was about to water its plants.
07 "Moon Spell" August 18, 2006 107
Emma throws a birthday party for her dad, but forgets everything and loses her inhibitions when a full moon strikes. Additionally, her mermaid tail will not go away, and her friends must do everything they can to keep their secret.
08 "The Denman Affair" 25 August, 2006 108
The girls reluctantly agree to let Lewis get a research assistant's position with a marine biologist hoping to determine what's behind their transformation, but they have cause for concern when his enthusiasm brings him close to revealing too much information. After leaving behind a DNA sample from Cleo, Lewis is soon offered a lucrative job and has a choice to make about his future.
09 "Dangerous Waters" 1 September, 2006 109
Rikki lands a seemingly harmless job collecting rare fish, but when she learns the man who hired her does not work for the marine park but is instead a dealer selling the fish for big profits, she decides to take on the task of setting things right.
10 "The Camera Never Lies" September 8, 2006 110
A short film contest on the subject of heroes captures the focus of the girls' attention, but a film about Emma's mother is not Rikki's idea of fun and she decides to use her abilities to capture some impressive underwater footage. Ineligible to compete himself, Zane recruits Lewis to document a recreation of his father's famous windsurfing trip to Mako Island and gets trapped by sharks on the shore. Luckily, Rikki was also there filming her "masterpiece" and manages to scare the sharks away with her powers.
11 "Sink or Swim" September 15, 2006 111
Byron asks Emma for training help prior to the school swimming meet. After initially turning him down, she changes her mind but becomes a "heavy training dragon". Lewis continues his experiments on the girls but Rikki does not like being treated like a specimen and does her best to disrupt his research.
12 "The Siren Effect" September 22, 2006 112
After a humiliating public karaoke performance, Cleo's sudden new-found singing ability on the night of a full moon gives her friends cause for concern. When she develops a mysterious Siren-like hold over boys, a sudden rush of admirers gives Cleo the audience she's dreamed of while her panicked father struggles to control the growing crowd.
13 "Shipwrecked" September 28, 2006 113
When Zane causes the enigmatic Miss Chatham to be evicted from her boat, Emma invites her to stay at her home. Overhearing her concern for her "treasure", Zane chases after Miss Chatham seeking compensation for his damaged jet ski when she departs the marina in her boat. Zane attacks Miss Chatham and she passes out. Emma and Lewis arrive in time to help with a medical emergency but when Zane gets trapped on the sinking boat, Emma must risk being seen as a mermaid to save him. When Zane passes out, Emma saves him and he sees her tail. Zane passes out and Emma takes him to Mako Island. Zane wakes up and he decides to find the sea monster who saved him. Emma gives Miss Chatham her treasure, which is a locket. Miss Chatham moves to a retirement home.
14 "Surprise!" October 6, 2006 114
Cleo is counting the days until her sixteenth birthday, fully aware that her big day can only be ruined by one thing: another of her father's embarrassing birthday parties. Zane embarks on a hunt for the "sea monster" he saw when he nearly drowned and recruits Lewis to help, but Lewis has promised the girls to do everything he can to keep Zane well away from them and Mako Island. Cleo is upset for watching the childish party and escapes to Mako Island, but Lewis and Zane are there. Lewis spots Cleo and tries to stop Zane from seeing her as a mermaid. Lewis and the others have a party at the JuiceNet café for Cleo.
15 "The Big Chill" October 13, 2006 115
Emma is excelling at her new job at the JuiceNet café, but when Wilfred leaves her in charge for an entire weekend, her no-nonsense managerial style puts her at odds with her newest employee: Rikki. Rikki upsets everyone and thanks to that she quits. Miriam sneaks into the café's freezer and causes it to warm up. Emma arrives, and upon noticing the freezer open and warming up, uses her powers to freeze the contents, which includes Miriam, who has hidden inside. The girls are forced to put aside their differences so they can defrost Miriam before Wilfred's return.
16 "Lovesick" October 20, 2006 116
Cleo attracts the attention of a new dolphin at the marine park, but rumours about a new boyfriend have her family and friends determined to discover the identity of Cleo's mysterious beau. Meanwhile, Zane uses Cleo to gain access to the marine park's library and continue his sea monster research, while Cleo's family falls under the impression that she and Zane are going to elope.
17 "Under the Weather" October 27, 2006 117
A sudden thunderstorm forces the girls to feign illness to stay home from school, but in faking their symptoms too well, they attract the attention of doctors eager to study their "rare tropical disease". As the number of people in quarantine grows, Kim begins to suspect a ruse, but a more serious threat develops when a containment unit arrives to take the girls to a hospital for study.
18 "Bad Moon Rising" November 3, 2006 118
Haunted by his encounter with the "sea monster", Zane steps up his investigation, which leads him to Mako Island. Rikki catches a glimpse of the full moon, causing her to lose control of her power. Rikki goes to Mako Island, and later Zane arrives. After they find each other on the island, Rikki kisses Zane, causing him to pass out from dehydration. Emma, Cleo and Lewis followed Rikki to Mako and find her sitting beside Zane, who has no memory of that day's events.
19 "Hurricane Angela" November 10, 2006 119
The arrival of Cleo's cousin Angela is seen by the girl's father as an opportunity for Cleo to learn some maturity and responsibility. However, chaperoning a headstrong girl with a fondness for water quickly brings on its challenges.
20 "Hook, Line and Sinker" November 17, 2006 120
Lewis' excitement about testing his new lure in the annual fishing derby is quelled by Cleo's refusal to renew their traditional partnership for fear of getting wet. Rikki and Zane encounter one another at a business seminar and get trapped on a balcony. The time alone together allows them to get to know one another better. Zane stands up to his father.
21 "Red Herring" November 24, 2006 121
An innocent comment about her dependable nature convinces Emma she needs a change, so she decides to colour her hair. Zane's sea monster investigation leads him to Miss Chatham who he's convinced is at the centre of the mystery. Zane spots a mermaid with red hair, which is Emma getting the picture of Miss Chatham and her mermaid friends from the sunken boat.
22 "Fish Out of Water" December 1, 2006 122
When at the movies, Cleo and Emma spot Zane and Rikki on a date and find out that they are going out. Concerned that Zane will find out their secret, Emma gives Rikki an ultimatum: her and Cleo, or Zane. Harrison Bennett's unveiling of plans to develop Mako Island realigns feelings as Emma joins Rikki's vocal opposition and Zane takes a stand against his father.
23 "In Too Deep" December 8, 2006 123
History may be repeating itself as Rikki's ability to keep the girls' secret is tested when she discovers a locket almost identical to Miss Chatham's in a jeweller's shop. She desperately wants the locket but is unable to tell Zane why it is so important. When Miriam buys it first, Rikki's fierce determination to get it back further draws out Zane's suspicions.
24 "Love Potion #9" December 15, 2006 124
With the school dance approaching, Emma and Cleo are fretting about having to ask Byron and Lewis to go with them, relying on the boys to make the first move. But Byron does not ask Emma, who he thinks is too busy heading up the organising committee, and Lewis is too caught up in his work on a new scientific way to make it easier for the girls to be mermaids, by making them waterproof.
25 "Dr. Danger" December 22, 2006 125
The prospect of going on vacation to a resort with her family does not sit well with Emma and her excuses do not go over well with them. The return of marine biologist Dr. Denman concerns Lewis and the girls but Zane sees a possible ally (or worse, a competitor) in the search for his mermaid. With Mako Island firmly in Denman's sights, the girls' secret is on the verge of being blown out of the water.
26 "A Twist in the Tail" December 29, 2006 126
The hunt for the now identified mermaids intensifies as Dr Denman sets a trap for Cleo, Emma, and Rikki at Mako Island, then forcing Zane to make a decision about where his loyalties lie: with his father or with the girls. A lunar eclipse also gives the girls an opportunity to free themselves from further pursuit by losing their powers, forever. While they are led to believe this is permanent, they eventually discover that the effects of the lunar eclipse has only lasted for twelve hours.

Series two: 2007-2008[]

Episode Title Original airdate Production code
27 "Stormy Weather" September 28, 2007 201
It's the night of a full moon, and all three girls accidentally see it. Under its spell, they swim to Mako Island, with Lewis in pursuit. The moon pool enhances their powers due to a special planetary alignment, with Rikki being able to control fire and lightning; Emma being able to control weather and freeze a whole room even though there's no water; and Cleo being able to create wind storms. Under the spell of the moon, together they create a powerful tempest and attack Lewis. The next day, the girls are surprised when they discover their new powers. Upon arriving at Mako Island, they discover Lewis, who explains everything. The girls must work to control these new abilities. Meanwhile, Cleo's parents have divorced, and Cleo is outraged when her father says she must start watching over her sister Kim, starting with a concert.
28 "Control" October 5, 2007 202
Lewis has little success when he decides to test the girls' new and unpredictable powers. Emma helps her brother Elliot deal with a meddlesome teammate. Lewis' constant attention is driving Cleo crazy, leading to a frank discussion about their relationship. Meanwhile, at school Cleo accidentally wets a new girl called Charlotte with her powers, then Lewis comes and Cleo introduces her to him. Charlotte is attracted to him straight away. By Charlotte's Japanese paint, the girls learn to control their powers.
29 "The One That Got Away" October 12, 2007 203
Zane's reappearance forces Rikki to decide if staying away from him is what she really wants. Can Rikki become involved with Zane again and still keep her secret? As Lewis' new friendship with Charlotte grows to Cleo's dismay, so do Cleo's suspicions about her, but she insists it has nothing to do with jealousy. As repeatedly embarrasses herself trying to reveal to Lewis that she is not as she seems, out of this Charlotte starts to create a negative relationship with Cleo as her and Lewis become closer.
30 "Fire and Ice" October 19, 2007 204
With Emma's parents away for the weekend, Rikki comes over to stay but her behaviour rubs off on Emma, who decides to prove that she too can be a rebel. But is she trying too hard? And can she handle the consequences that come with throwing a party? Lewis tries to become more manly when Nate tells him it may have been why Cleo broke up with him. Also, Cleo gets a secret admirer.
31 "Hocus Pocus" October 26, 2007 205
When Lewis presents the girls with a rare book he discovered about mermaid mythology, Rikki and Emma reluctantly agree to help Lewis and Cleo make a potion that will give the girls the power to grant wishes. For Cleo it's an opportunity to reunite her fractured family, but when the project grows out of control, they must act quickly to clean up the café before Wilfred arrives to shoot a commercial. Charlotte is worried about Lewis spending time with Cleo as her crush on him grows stronger.
32 "Pressure Cooker" November 2, 2007 206
Cleo becomes concerned with Lewis spending time with Charlotte. Lewis insists things between them aren't as they appear, but perhaps he needs to tell that to Charlotte, who is convinced that he's not over Cleo. To make matters worse, Cleo's dad has invited a woman over for dinner. And just when it appears that welcoming a potential stepmother is the worst of Cleo's troubles, she meets her daughter...Charlotte! When Lewis comes over to convince Cleo that there is nothing going on between Charlotte and him, Charlotte tries to convince Cleo that they are dating and flirts with Lewis. Which causes a new enemy and a lost friend.
33 "In Hot Water" November 9, 2007 207
In need of money for a new computer, Lewis decides it is time he finds a job, and as luck would have it, a position becomes available at the aquarium when Cleo is fired. In an effort to help get Cleo her job back, Rikki and Emma set out to prove that serving ice-cream can be the hardest job in the world. But when the the aquarium's star attraction called Ronnie goes missing, Lewis becomes the prime suspect. Emma and Rikki feels they're the blame for Ronnie's disappearance. When Emma and Rikki fails the search, Lewis tells Cleo the blame are Emma and Rikki. Cleo yells at Emma and Rikki and they explain all to Cleo. The girls returns Ronnie to aquarium. The boss apologizes Lewis and rehires Cleo to job.
34 "Wrong Side of the Tracks" November 16, 2007 208
Rikki is embarrassed to tell her friends and Zane where she lives. When Nate and Zane are out riding, Nate steals a tag off Rikki's father's motorbike. Zane is seen when Nate drives off. Zane pressures Rikki to let him meet her father. After much persuasion Rikki takes him to where she lives. He has no problem with it but when he leans in to kiss her, her father catches him and throws him out. Meanwhile Cleo is dealing with a problem concerning Charlotte and Lewis' jacket.
35 "Riding for a Fall" November 23, 2007 209
Emma is forced to take her brother Elliot for riding lessons by her mother. She gets jealous of the riding instructor Ash because he is better than her. Ash asks Emma to leave his horse Rebel to graze and warns her not to let the horse graze on the front yard because of weeds but Rebel does without her seeing. Rebel is poisoned and Emma helps him recover by using her powers. Meanwhile, Lewis is nominated for a prize and invites Cleo, but she thinks it is not a good idea since that they are only friends now, but with Charlotte desperate for wanting to go out with him she invites herself along leading to Lewis to lie to both girls.
36 "Missed the Boat" November 30, 2007 210
Cleo fails the biology exam and she must study in entire weekend to correct test what starts in Monday. Cleo must have a help in study, but the helper is Charlotte, not Lewis. While Cleo is studying, Charlotte asks Lewis to being her to Mako Island for sketching the island. When Charlotte arrives to help Cleo, Cleo finds out Charlotte has give Cleo more homework to spend more time with Lewis. Lewis and Charlotte arrives to Mako Island, but they're followed by the girls. Cleo accidentally falls from rock to water what Charlotte hears. Lewis spots Cleo as a mermaid and stops Charlotte to see Cleo as a mermaid. Charlotte kisses Lewis what makes Cleo angry. The next day, Cleo finally did the exam, but she's still thinking about Lewis and Charlotte.
37 "In Over Our Heads" December 7, 2007 211
Pressured by tight family finances and the promise of a big reward, Rikki agrees to help Zane search the ocean floor for a valuable lost statue. But when she involves Emma and Cleo without telling them the full story, she finds herself alone in a dangerous situation when the truth comes out. Meanwhile, Lewis reassures the girls that he will still be there for them, but with Charlotte working to keep him to herself, he nearly misses a chance to help just when he is needed the most. In the end the girls are alright and Lewis finally stands up to Charlotte. Which causes Charlotte to wear the pants in the relationship.
38 "Fish Fever" December 14, 2007 212
When the girls are searching for a coral for Cleo's fish, Emma finds it, but she accidentally cuts herself in a coral. Emma starts eat fish food and acting weird. Cleo's fish is acting weird too. When Emma arrives to Marine Park to go swimming, a little girl sees her and tells that to her mum, but no one believes the girl. Cleo, Rikki and Lewis must bring Emma back home, but the problem is: Lewis has a date with Charlotte! While searching Lewis, Charlotte ends up bumping into Cleo and assumes Cleo is there to crash her and Lewis' date. After bringing Emma to home, Emma splashes herself in water, but as she turns into mermaid, the white scals appears. It's revealed the blame for white scales, eating fish food and acting weird is a coral!. Lewis brings Cleo's fish to Laurie and Laurie creates the antidote. The antidote cures Cleo's fish. Lewis brings more antidote to help Emma, but she escaped. Later that night when Emma's parents are having a romantic dinner, Emma steals the lobster and eats it. Cleo, Rikki and Lewis arrives and sees Emma as monster with white scals. Lewis splashes Emma with antidote and she returns to normal.
39 "Moonwalker" December 21, 2007 213
The revived Sertori family camping holiday is ill-fated not just by choice of location, Mako Island, but in the unfortunate timing of coinciding with the full moon. Cleo's friends and Charlotte tag along to help one another stay out of trouble but Lewis' plans are soon tested when the girls decide to face the powers of the full moon. When Charlotte and Lewis decide to have a romantic walk, Lewis spots the girls and leaves Charlotte. Scared, Charlotte heads back to camp but bumps into Cleo, she torments Cleo because she thinks Cleo is jealous of her new relationship with with Lewis. Angry, Rikki and Emma who watching nearby struck Charlotte with lightning, scared Charlotte runs away and finds the moon pool but at the height of the full moon may have unforeseen consequences. The girls defeats the power of moon and Emma freezes the moon pool to don't let Charlotte become a mermaid. Lewis arrives and brings Charlotte back to the camp.
40 "Get Off My Tail" December 28, 2007 214
After confiding in her that she misses spending time with Lewis, Cleo takes Rikki's advice to re-establish her friendship with him and to embrace her unique abilities, after all, unlike Charlotte, Cleo is not just an ordinary girl. Emma is disappointed to be passed over for a promotion at work but is even more upset by the identity of her new supervisor and all of his changes to the café.
41 "Irresistible" January 4, 2008 215
When he learns about myths considering ambergris, a substance which can control mermaids, Zane seeks the help of Lewis. But Lewis thinks nothing of it and throws the bottle away, where it falls into the hands of Nate. Whenever the girls are around them they came strangely attractive to him. Can they come to their senses before its too late?
42 "Double Trouble" January 11, 2008 216
When Elliot asks Lewis for advice about girls, no one suspects who he plans to ask out on a date. Cleo and Lewis join the young couple on their first date to the water park and while it takes Elliot a bit longer to learn his lesson, the chaperones also come away a little wiser...and wetter, Cleo and Lewis realize that their friendship is strong and no relationship can stop that and Cleo accidentally falls into one of the show pools which causes Lewis to realize his care for Cleo. Emma gets the wrong idea about Rikki's secret meetings with Ash. Lewis is troubled by a reoccurring dream about Cleo being discovered as a mermaid.
43 "Moonstruck" January 18, 2008 217
The full moon comes around again. When Ash has trouble asking Emma out, he comes to surprise her. Meanwhile Cleo sees the moon and gets Rikki to see it as well. They lead Emma into the bathroom, where she sees the full moon too. Will Lewis arrive in time to save the mermaid secret?
44 "The Heat is On" January 25, 2008 218
Cleo throws a party for the girls' first anniversary as mermaids. But not all goes as planned when Ash and Zane have a fight, resulting in Emma and Rikki falling out. Cleo wonders whether she will have to celebrate by herself. But at the last minute, Emma and Rikki come after they have resolved their differences.
45 "The Gracie Code (Part One)" February 1, 2008 219
While looking research trying to uncover the secrets of the moon pool, Lewis uncovers the work of Max Hamilton, who fifty years earlier found himself in much the same role that Lewis is in now. To earn the old man's trust, Lewis risks betraying the girls' secret but the story Max has to tell will shed more light on the history of the moon pool and the girls' lockets.
46 "The Gracie Code (Part Two)" February 8, 2008 220
Charlotte wants answers as to why Lewis is spending so much of his time with Cleo and the girls. Charlotte appears to be satisfied with Cleo's vague excuse that Lewis is helping them with a project, but her curiosity is piqued when, amongst Max's research papers, she spots an old photo of Gracie... her grandmother. Lewis is tasked with finding out exactly what Charlotte knows about her grandmother, but while looking for her own answers, Charlotte makes a startling discovery. Ash makes a well-intentioned attempt to help Emma overcome her apparent fear of water.
47 "And Then There Were Four" February 15, 2008 221
Charlotte's persistence in searching out her grandmother's murky past leads her to Max who confirms all of her suspicions. Further research leads her straight to the moon pool on Mako Island where secrets are revealed and another is born: Charlotte becomes the fourth mermaid. Lewis' relationship with Charlotte is put to the test by his inability to confide in her but Charlotte has no such reservations.
48 "Bubble Bubble Toil and Trouble" February 22, 2008 222
Against Rikki's better judgement, the girls agree to make Charlotte feel welcome as the newest member of the "mermaid club". Faced with the prospect of failing physical education in school due to avoiding water, the girls are quickly forced into working together with Charlotte when they find themselves together on the school's beach volleyball team. Charlotte learns there is more to being a mermaid than she thought and although the learning curve is steep, the final result is nothing short of 'super'.
49 "Reckless" February 29, 2008 223
Concerned about Charlotte's ability to use her new-found powers wisely, the girls offer to help her learn about her powers, but Charlotte refuses their help and becomes determined to prove herself as the only "true mermaid". She also reveals that she has a fear of dolphins. Lewis tries to help her, but he leaves to find Cleo, Ronnie the dolphin accidentally splashes Charlotte leaving her to dive into the water, with her fear she screams for help even when she is in mermaid form and almost boils Ronnie. Cleo and Lewis soon return causing Cleo to stand up to Charlotte and Charlotte realizing that Cleo is stronger than she thought. When Lewis runs afoul of Nate, his pacifist nature causes Charlotte to come to his defence. Can she be stopped before she goes too far and exposes the group's secret? Or even hurt Nate?
50 "Three's Company" March 7, 2008 224
Charlotte and the girls clash over the planning for Lewis' birthday. Tired of Charlotte's intrusion into what was once their close friendship group, Rikki excludes herself, promising Zane she'll spend more time with him instead. However, resolved to be the bigger person, Rikki decides to attend Lewis' party after all and arrives just in time to rescue her friends, who had been trapped in a storage closet by Charlotte. Instead of being at the party with all of Charlotte's friends, Lewis decides to hang out with Emma, Cleo, Rikki and all his friends from school. Charlotte's friendship with the other mermaids has come to an end.
51 "Sea Change" March 14, 2008 225
Her short-lived friendship with the other girls is over and Charlotte demands that out of loyalty to her, Lewis is to have no more contact with Rikki, Emma and, most of all, Cleo. Charlotte then steals Cleo's locket telling Cleo that she is pathetic. Cleo leaves a message for Lewis but Charlotte steals his phone. Isolated and intimidated, Cleo runs away from home only to find herself in the company of sharks. Lewis then discovers his phone in Charlotte's bag and leaves with Emma and Rikki to find Cleo. Charlotte then catches up with Lewis demanding that he stops seeing the girls at all. Angry, Lewis tells Charlotte that he knows about what she did to Cleo and breaks up with her. But by choosing sides, a powerful enemy is created. Lewis rescues Cleo, his and Cleo's relationship is back and he takes Cleo back home.
52 "Unfathomable" March 21, 2008 226
The full moon rises again, and Charlotte deliberately looks at it and it makes her obsessed with revenge and determined to be the only mermaid, to make Lewis care about her more. Meanwhile the girls are at Emma's, trying to stay away from the moon, but then Charlotte comes near the house and starts "playing" with the water in Emma's house, just as Ash comes to visit Emma. Lewis convinces Charlotte to stop, and they go to Mako Island together. Cleo is worried about Lewis and follows them. Charlotte was waiting for her, because she realises what Lewis hasn't told her: that if there was any mermaid in the moon pool at the time the moon was passing over it, that mermaid would lose her powers forever! Emma and Rikki arrive in time to save Cleo. They fight with Charlotte and, after falling into the moon pool, she loses her powers permanently. Lewis makes Charlotte give Cleo's locket to him and he gives it back to Cleo. Emma finally reveals to Ash that she is a mermaid. Ash reacts well to the news, and the season ends with Lewis, Zane, and Ash watching the girls run into the ocean and turning into mermaids.

Series three: 2009-2010[]

The third series is scheduled for broadcast in 2009.[1] The series centres around Cleo and Rikki coming to terms with the loss of Emma, who has left town with her family. New characters are introduced, including Bella, a new mermaid who infuses the group with new energy; and Will, a skilled diver who accidentally unleashes a powerful force from Mako Island which turns water against the mermaids. The girls must also deal with Zane, who attempts to exploit Mako's secrets after Rikki breaks up with him.[2]

Episode Title Original airdate Production code
53 "The Awakening" October 26, 2009 301
Rikki and Cleo are about to face their final year of high school without Emma, who has gone travelling with her family. The JuiceNet cafe has now closed down and is just a vacant building on the coastline until Zane buys it and persuades Rikki to reopen it with him, renaming the cafe Rikki's in honour of her. At the cafe's opening night, Cleo and Rikki meets Bella Hartley, a new girl in town who does Rikki a favour by singing for her in Nate's band. That same night, free-diver Will discovers the Moon Pool and witnesses the full moon's effect on it. A strange creature made entirely of water forms and attacks Will. It then races to the cafe and kidnaps Rikki, dragging her back to Mako Island. To Cleo's horror, this all happens in front of Bella, but she has no choice but to dive in and rescue Rikki. However, Bella dives in after her, revealing that she is also a mermaid. Together, Cleo and Bella rescue Rikki from the water tentacle. Bella befriends Rikki and Cleo and the new trio is determined to find out what caused water to turn against them.
54 "Jungle Hunt" October 27, 2009 302
First day back at school, and the girls are surprised to discover that Will is attending too. Will is thrilled to see them, and asks for help relocating the Moon Pool, so that he can investigate what happened to him during the full moon. Bella (obviously smitten with Will), offers to help him, but promises the others that she will keep him away from the Moon Pool; but a suspicious Rikki follows her. Meanwhile, Lewis and Cleo are convinced that something has happened to change the Moon Pool, but can't figure out what.
55 "Keep Your Enemies Close" October 28, 2009 303
Bella is pleased and Rikki wary when Cleo applies for a new job as an assistant dolphin trainer at the marine park. But she is soon in over her head, when Will visits the park, and takes a swim with Ronnie, and his influence has the dolphin performing tricks that he has never done before. However, head dolphin trainer Laurie mistakenly thinks that it is Cleo making Ronnie perform the tricks, and offers her a spot in the marine park's dolphin show. Meanwhile, Rikki fires the live band from the cafe after hearing Nate's terrible new song, but Bella gets the wrong end of the stick, and thinks that Rikki fired the band because she has an issue with her.
56 "Valentine's Day" October 29, 2009 304
Valentine's Day comes to the Gold Coast, and the girls all seem to be having trouble with love. Rikki finds that the stress of running the cafe is destroying her relationship with Zane, Bella's crush on Will deepens, but she finds it hard to tell him of her feelings, and Cleo is less than impressed with Lewis' idea of a Valentine's date; fishing. Even Kim is having serious ‘boy trouble'. The only person who does seem to be having any luck in love is Cleo's father, Don, who falls for a pretty marine licensing inspector named Samantha. But it seems that he has blown his chance when she gets knocked overboard.
57 "Big Ideas" October 30, 2009 305
Zane's management style is steering the cafe into debt, and Rikki is not impressed with his new idea to hold a dirt bike race at the cafe to bring in more money. Zane has promised to give the winner of the race a prize of $1000, but, knowing full well that he is the best biker in town, enters the competition himself, so that he won't have to hand out the money. But he starts to doubt himself when experienced dirt biker Will enters the race after encouragement from Bella, and so enlists Nate to help him cheat. Meanwhile, Lewis and Cleo continue with their investigations on the Moon Pool, and make an amazing discovery when they mix water from the new waterfall with water from the pool.
58 "Secrets & Lies" November 2, 2009 306
As Bella grows more and more fond of Will, she tries to set up a study date so that they can spend some time together, but is hurt to find herself stood up. Furious, she goes to Will's boatshed to confront him, and is devastated to find him there with another girl. Meanwhile, Lewis' science teacher, Ms. Taylor, is impressed by Lewis' science project – not realising that it is actually his apparatus for studying the floating water from the Moon Pool. Lewis is then forced to show his experiment in class, putting the secret of the Moon Pool and the mermaids in danger. Ignoring Rikki's advice, Bella follows Will and the mystery girl on a diving trip, and they nearly see her, but Bella is relieved when she discovers that the girl is Will's sister, Sophie. Cleo uses her power to help Lewis replicate the effect of the floating Moon Pool water, and he submits an alternative science project, keeping the mermaids' secret safe.
59 "Happy Families" November 3, 2009 307
Cleo and Kim's father Don takes them to the beach to get to know his new girlfriend, Sam. But while Cleo is willing to accept her for her father's sake, Kim hates her from the start, but uses the situation to get expensive gifts out of her father as bribes for her approval, much to Cleo's disgust. But Sam and Don get the wrong idea when Cleo refuses to go swimming with Sam, and think that Cleo is the one who has a problem with her. Meanwhile, Bella applies for a job at the cafe, and Rikki is keen to give it to her... except Zane wants to give the job to Will's ambitious sister, Sophie.
60 "Kidnapped" November 4, 2009 308
The girls prepare to sleep over at Cleo's for the full moon, to try to protect themselves from any water attack. Lewis makes preparations of his own by installing cameras in the Moon Pool cavern, in an attempt to capture the mysterious water tentacle on film, and learn more about how it is created. Will, meanwhile, decides to revisit the Moon Pool to continue with his investigations there, and drops by Cleo's to ask Bella to come with him. But Bella isn't there – she has been kidnapped by the water tentacle! Rikki and Cleo race to Mako Island to save her, while Lewis tries to keep Will away. At Mako, Rikki and Cleo discover that the tentacle seems to be turning Bella into water. But when they manage to pry her away from the tentacle, Bella says that she felt safe when she was with it.
61 "The Sorcerer's Apprentice" November 5, 2009 309
When Lewis tells Cleo not to experiment with the floating water they collected from Mako, she cannot resist, and sends Lewis off for a day of golfing with her father, so that he won't discover her. But when Rikki accidentally gets the water in Cleo's fish tank, her goldfish, Hector, becomes imprisoned in a bubble of floating water! The girls' attempts to free Hector result in him going down the drain, and they must use their mermaid abilities to retrieve him from the canal. Also, the girls try to keep Will, who is in the house while looking for Bella with whom he has to do a project for school, from seeing Hector. Meanwhile, somewhere on the golf course, Lewis is pretending to lose to Cleo's father at golf, so that he can get into his good books.
62 "Revealed" November 6, 2009 310
When Rikki and Cleo realise that Will has made a connection between Bella, Mako, and the full moon, they warn Bella to stay away from him, but she can't. Will is also growing incredibly interested in her, and wants to spend time with her; but when he realises that Bella won't swim, he deliberately spills some water on her, thinking her secret might be something to do with water. In a panic, Bella dives into the water, but Will follows her... and discovers that she is a mermaid. Afterwards, Bella tells Will how she became a mermaid. Can he keep her secret?
63 "Just a Girl at Heart" January 18, 2010 311
Will's ruthless sister, Sophie, is training him to be a professional free-diver, only he'd rather spend time swimming with Bella. Irritated, Sophie tells Bella to stay away from Will, as she sees her as a distraction for him, but Bella doesn't listen. While watching Will train in a public pool, Bella dives in to help him with his swimming technique... just as Sophie turns up. Although Will manages to hide her, Bella is still worried, not about Sophie, but about Will. She thinks he only likes the mermaid side of her. Meanwhile, Rikki comes up with a brilliant idea to hold corporate events at the cafe, but after Zane makes a mistake with the booking, the cafe is overrun by a wild children's party.
64 "Crime & Punishment" January 19, 2010 312
On Rikki's birthday, Cleo and Bella travel to the Moon Pool, and make her a present using their powers; an elegant mermaid statue that Cleo moulds from water, and Bella hardens with her gelatine power. But when Will discovers the unusual present on Rikki's desk, he suspects that Cleo and Rikki know Bella's mermaid secret. Meanwhile, Sophie takes it upon herself to organise the cafe's first food delivery order, and sends Will to make the delivery, but he comes back with a payment of fake dollar bills. Realising that something is amiss, Rikki returns the fake bills to the address – a houseboat in the middle of nowhere – and discovers that the people on board are printing counterfeit money. When the criminals kidnap her on board the boat, Rikki manages to get a desperate message to Cleo and Bella, before her captors take her phone, and Bella and Cleo get Will to tell them where Rikki has gone – but not before he makes them admit that all three of them are mermaids. Realising that they must now all trust each other, Cleo, Bella and Will set off together to save Rikki.
65 "To Have & to Hold Back" January 21, 2010 313
The day of Don and Sam's wedding arrives, and selfish Kim tries to ruin everything. Meanwhile, Lewis gets the chance to spend three years working at a scientific research centre in America, but frets about telling Cleo... until Kim tells her for him. Cleo is distraught, thinking that Lewis planned to leave without telling her, and refuses to talk to him. Don and Sam's big day is then completely ruined when Kim turns on the sprinklers (nearly making Cleo, Rikki and Bella grow tails in front of everyone). In the end, Lewis tells Cleo that he is not going to America because he loves her, and Cleo forgives him. But she decides to let him go after all, and they part promising to see each other again. The girls organise another wedding ceremony for Don and Sam on Mako Island, and Kim at last warms to Sam.
66 "Mermaid Magic" February 22, 2010 314
Cleo finds an unusual crystal in a rock from the Moon Pool, identical to the one in Bella's necklace, which she collected from the Moon Pool in which she was transformed. Could this be the source of Moon Pool magic? Meanwhile, after discovering that Zane cheated in a free-diving competition, Will challenges him, and dives to a depth of 60 metres. But Will pushes himself too hard, and ends up passing out, forcing Rikki to dive down and save him.
67 "Power Play" February 23, 2010 315
After seeing the work done at the marine park by the charity Dolphin Rescue, Bella comes up with an idea to hold a fundraising event for them at the cafe, but is deflated when Sophie overhears, and steals her idea, presenting it to Rikki and Zane as her own. What is more, as Sophie is organising the event, she spitefully refuses to let Bella and the band perform. But she gets into trouble with Rikki and Zane, when all of the bands she has booked instead of Bella's pull out, after hearing that Sophie has tried to make Dolphin Rescue pay a fee for the concert. Sophie is fired from the cafe, and Bella and the band perform to save the night. Meanwhile, Cleo, Sam, and Kim have difficulties sharing the bathroom, until Sam realizes what Kim is up to and finds a way to repay her for Cleo after Kim gets her in trouble.
68 "The Dark Side" February 24, 2010 316
Frustrated by the water tentacle's constant attacks on them, Rikki travels to Mako Island at the full moon in order to confront it. With Bella and Cleo delayed, Will hurries after Rikki, but instead of finding the tentacle attacking her, he finds her somehow controlling it. Rikki appears to form some sort of connection with the tentacle, but when the full moon passes, she makes Will swear not to tell Bella or Cleo what happened.
69 "A Magnetic Attraction" February 25, 2010 317
Cleo is introduced to Ryan, a geophysicist working for Sam. Thinking that he might be able to help, Cleo shows him the magnetic crystal rock she found at Mako, which infuriates Rikki, who thinks that Cleo is putting their secret at risk. Cracks are beginning to form in the girls' relationship, and Cleo and Bella become worried when Rikki starts spending all of her time in the Moon Pool. This prompts Will to confess to them what happened on the night of the full moon when Rikki confronted the tentacle. Back at the Moon Pool, Rikki discovers that bonding with the tentacle has strengthened her powers.
70 "Into the Light" April 12, 2010 318
Kim lets slip to geophysicist Ryan that Cleo and the others spend a lot of time on Mako Island, and Ryan goes there in search of more magnetic rocks like the one Cleo showed him. Rikki discovers this, and tries to warn the others that Ryan is on to them, but Bella and Cleo don't believe her, as they are beginning to lose trust in Rikki. Rikki goes to Mako Island herself (with Will tailing her), and uses her powers to destroy Ryan's equipment, but when she starts going too far, Will springs out, and stops her. The two of them are then forced to run and hide in the Moon Pool cavern when Ryan hears them and chases after them, but this leads to Ryan accidentally discovering the Moon Pool. Rikki forces Ryan out with her powers, but Will tells her that she has only made things worse. Realising that he is right, Rikki apologises, and, when she arrives home, reconciles with the others, and tells them of her experience with the tentacle, and how it has affected her. Rikki says she doesn't think the tentacle is trying to harm them, which opens up a new mystery. The girls must also figure out how they are going to put Ryan off the scent.
71 "Breakaway" April 13, 2010 319
Will is getting sick of Sophie's pressuring him into competitive free-diving, but agrees to compete in a competition to set a new depth record. Sophie is delighted with Will's record breaking dive of 80 metres, but after the competition, Will gives up competitive free-diving to shrug off Sophie's influence. As Will sets his record, however, Rikki witnesses Sophie and Zane kissing, and her relationship with Zane is ended.
72 "Queen for a Day" April 13, 2010 320
After breaking up with Zane, Rikki leaves the cafe in order to get away from him, and Zane re-hires Sophie as the new manager. Thrilled with her new position, Sophie immediately starts making changes to the cafe, and hires Cleo's sister Kim as a waitress. Meanwhile, Will's new after shave gives Bella a sneezing allergy, which also inadvertently triggers her powers. Unable to perform without sneezing (and unleashing her mermaid powers on everyone), Bella is close to being fired from the cafe by the brutal Sophie.
73 "The Jewel Thief" April 14, 2010 321
Since saving his life when he passed out during a dive, Rikki has formed a close friendship with Will, and is touched when he makes her a necklace, similar to Bella's, using the magnetic crystal found on Mako Island. Rikki and Bella experiment with their crystals, and are fascinated by how they react when near each other; the crystals produce a blue glow that mesmerises the girls, similar to the effect of a full moon, and, when actually touched together, they release a powerful energy burst, that causes an electrical blackout! The girls decide to keep the crystals apart until they learn more about them, and Rikki leaves hers with Will. But a jealous Zane, mistakenly thinking that Rikki and Will are going out, breaks into Will's boatshed, and steals the necklace. A furious Rikki gets it back from him, and tells him once again that their relationship is over. Will makes another necklace for Cleo, and the girls wear them as a symbol of their friendship.
74 "Mako Masters" April 14, 2010 322
A stressed out Cleo is trying to plan study sessions for the girls' final exams, but Bella and Rikki are more preoccupied with finding out about the tentacle. The girls are forced to make a quick exit when, during their science exam, the full moon rises early, and the tentacle tries to reach them through a water cooler in the classroom. They travel to Mako Island, and confront the tentacle, this time without fear, and realise that it is not trying to harm them, but get a message to them. The girls all place their crystal necklaces in a hole in the cave wall, triggering a projection to appear in the air. The girls watch it, and see a comet travelling towards the Earth, but before they can watch the whole message, Zane and Will interrupt them, and the projection stops. The girls are confused as to whether the Moon Pool was showing them the past (the creation of the Moon Pool itself), or the future.
75 "Beach Party" April 15, 2010 323
The Gold Coast is playing host to a massive beach party, and Bella wants to ask Will if he will go with her. But she is upset when she misunderstands a conversation she hears between Rikki and Will, and thinks that they are going together. Bella then has no alternative but to ask Nate, which confuses Will (as he was about to ask her). Things are straightened out at the party, however, when Zane tells Will to stay away from Rikki, and Will exclaims that he likes Bella. Bella and Will become a couple. Meanwhile, Sophie is trying to persuade Zane to change the name of the cafe.
76 "Too Close for Comfort" April 15, 2010 324
When Kim demands an expensive holiday, Cleo's father gets a second job doing a pirate show at the marine park, so that he can afford it. At first, Cleo is worried that her father will humiliate himself; but when the dolphin shows start emptying out, Cleo realises that her father is more popular than she thought, and his shows threaten to end Cleo's job. Meanwhile, there is trouble between Bella and Will, when they struggle to find things in common.
77 "A Date with Destiny" April 16, 2010 325
The girls find a way to simulate a full moon, so that they can finish watching the message the Moon Pool was trying to show them. They discover that the comet they saw is being drawn towards the Earth by the Moon Pool's magnetic pull, and is going to hit Mako Island. The girls must try to harness the power of Mako Island's magnetic crystals to force the comet away, and save the Earth. Meanwhile, the cafe is in danger of going bankrupt, and Sophie is searching for ways to earn more money. She gets her chance when Ryan (who is annoyed that Sam has ended his research on Mako Island), spots the crystal in Bella's necklace, and tells her that it might be valuable. After finding out where Will got the crystal from, Sophie leads Ryan to Mako Island (with a reluctant Zane close behind), and they discover the magnetic crystals in the walls of the Moon Pool cave.
78 "Graduation" April 16, 2010 326
By harvesting the magnetic crystals, Zane, Sophie and Ryan have severely damaged the Moon Pool, and the girls find that it no longer has enough power to push the incoming comet away from the Earth. All seems lost, but Bella, Cleo and Rikki band together, and use their own magic to create a tower of water and light, that knocks the comet off course, making it miss the Earth. With the Earth saved, the girls then graduate from school, and celebrate in the cafe, but there is one more surprise in store for them... Lewis has returned home. Zane and Rikki became friends again.

Television films[]

H2O: Metamorphosis[]

In the United States "Metamorphosis" and "Pool Party" premiered as a one hour movie.

H2O: Exposed[]

In the United States "Dr. Danger" and "A Twist in the Tail" premiered as a one hour movie called "Exposed".

DVD releases[]

(Note: Release in Australian First because it an Australian Series, and trying to cover releases in many countries would quickly bloat the article out of reason.)

Series one and series two have been released on DVD in Region 4 PALformat. Series one comprises six individual DVD sets released between September 2007 and November 2008, and a complete series compilation released in June 2009. Series two comprises three individual sets released between February and September 2009, and a complete series compilation released in November 2009.

References[]

  1. ↑ 1.0 1.1 "Making a Splash Around the World". Cite error: Invalid <ref> tag; name "newsfocus" defined multiple times with different content
  2. ↑ "Production Info - H20: Just Add Water - Series 3".

External links[]

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