H2O: Just Add Water

H2O: Just Add Water
The lives of Cleo, Emma and Rikki are changed forever when the three girls stumble upon a pool inside the dreaded Mako Island under a full moon. The next day, they are transformed into mermaids with super powers. With the help of friend Lewis, the girls manage to control their powers and hide their secrets - which becomes difficult with maddening full moons, nosey scientists and local bad boy Zane going on a quest to find them. This Australian TV show stars Claire Holt, Phoebe Tonkin, and Cariba Heine and is set on the Australian Gold Coast.

Genre: Action and Adventure, Children, Fantasy, Science-Fiction

  • Watch H2O: Just Add Water Season 3

    • Episode 26


      aired: Thu, Apr 15, 2010

      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 24

      Too Close for Comfort

      aired: Wed, Apr 14, 2010

      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 21

      The Jewel Thief

      aired: Tue, Apr 13, 2010

      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 12, 2010

      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


      aired: Mon, Apr 12, 2010

      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: Sun, Apr 11, 2010

      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 17

      A Magnetic Attraction

      aired: Wed, Feb 24, 2010

      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: Tue, Feb 23, 2010

      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, Feb 22, 2010

      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 13

      To Have & to Hold Back

      aired: Wed, Jan 20, 2010

      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 9

      The Sorcerer's Apprentice

      aired: Wed, Nov 4, 2009

      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 7

      Happy Families

      aired: Mon, Nov 2, 2009

      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 4

      Valentine's Day

      aired: Thu, Oct 29, 2009

      Cleo's forced to put Lewis' plans for romance on hold to restrain Kim's out of control love life.

    • Episode 3

      Keep Your Enemies Close

      aired: Tue, Oct 27, 2009

      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, Oct 26, 2009

      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.

  • Watch H2O: Just Add Water Season 2

    • Episode 26


      aired: Thu, Mar 20, 2008

      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 all look set to lose their powers.

    • Episode 25

      Sea Change

      aired: Thu, Mar 13, 2008

      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: Thu, Mar 6, 2008

      Charlotte takes over and organises 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. From now on, Charlotte is on her own.

    • Episode 23


      aired: Thu, Feb 28, 2008

      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: Thu, Feb 21, 2008

      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: Thu, Feb 14, 2008

      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, Part 2

      aired: Thu, Feb 7, 2008

      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, Part 1

      aired: Thu, Jan 31, 2008

      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: Thu, Jan 24, 2008

      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


      aired: Thu, Jan 17, 2008

      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: Thu, Jan 10, 2008

      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


      aired: Thu, Jan 3, 2008

      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 13


      aired: Thu, Dec 20, 2007

      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 realises something weird is going on there.

    • Episode 12

      Fish Fever

      aired: Thu, Dec 13, 2007

      Emma starts acting weird after pricking her finger on a barb of coral. Cleo’s fish Hector exhibits the same behaviour. Emma becomes more and more like a fish and Lewis has to find a way to cure her.

    • Episode 9

      Riding for a Fall

      aired: Thu, Nov 22, 2007

      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: Thu, Nov 15, 2007

      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 5

      Hocus Pocus

      aired: Thu, Oct 25, 2007

      Lewis finds an old book on mermaids and tests out a potion recipe on the girls. Cleo tries to get Don and her Mum together by using her powers to grant him a wish. Realising it’s not what he wants, she finally accepts the situation.

    • Episode 4

      Fire and Ice

      aired: Thu, Oct 18, 2007

      Rikki comes to stay at Emma’s house and stirs up the family unit. In trying to compete with Rikki, Emma tries to rebel and throws a party. Nate uses Lewis to make a play for Cleo.

    • Episode 3

      The One That Got Away

      aired: Thu, Oct 11, 2007

      Zane’s back in town and still in love with Rikki. He works out she’s still a mermaid and tries to win her back. Cleo becomes suspicious of Lewis spending time with Charlotte.

    • Episode 2


      aired: Thu, Oct 4, 2007

      Emma uses her new powers to help Elliott win at soccer. Lewis decides to test the girls’ increased powers. Cleo has had enough of Lewis’ smothering and dumps him. Lewis meets Charlotte and they bond.

  • Watch H2O: Just Add Water Season 1

    • Episode 26

      A Twist in the Tail

      aired: Thu, Dec 28, 2006

      Dr Denman has discovered the girlsÕ secret and trapped them on Mako Island. Their only chance to avoid being exposed is to use the lunar eclipse to give up their powers forever!

    • Episode 24

      Love Potion #9

      aired: Thu, Dec 14, 2006

      Lewis thinks heÕs found a way to control the girlÕs mermaidness. The school dance brings all our heroinesÕ Ôboy issuesÕ to the surface.

    • Episode 23

      In Too Deep

      aired: Thu, Dec 7, 2006

      The girls discover a necklace for sale identical to Miss ChathamÕs. Miriam causes a stir by buying it Ð then throwing it in the water. Rikki faces a choice whether to take the necklace and reveal her mermaidness to Zane.

    • Episode 22

      Fish Out of Water

      aired: Thu, Nov 30, 2006

      Emma and Cleo find out Zane and Rikki are an item and force her to choose Ð him or them. When Zane appears to side with Harrison over the Mako island development RikkiÕs decision is clear. Now itÕs ZaneÕs turn to make a choiceÉ

    • Episode 21

      Red Herring

      aired: Thu, Nov 23, 2006

      Zane thinks Miss Chatham holds the key to the sea monster. Emma needs a change so dyes her hair red. While Zane gets closer to the secret, he also gets closer to Rikki. Zane dives to Miss ChathamÕs boat and sees a mermaid!

    • Episode 20

      Hook, Line and Sinker

      aired: Thu, Nov 16, 2006

      Emma and Cleo help Lewis catch a huge fish in the fishing competition leading the judges to suspect heÕs a cheat. Meanwhile Zane and Rikki are stuck together on a balcony of a fancy hotel where after much argument, they kiss again.

    • Episode 19

      Hurricane Angela

      aired: Thu, Nov 9, 2006

      Cleo and Kim are fighting like crazy and Cleo is pushed to breaking point. Then cousin Angela comes to stay and things just get worse. Cleo realises there are more challenging things than an annoying sister.

    • Episode 17

      Under the Weather

      aired: Thu, Oct 26, 2006

      A rainy day traps the girls inside. In an effort to "play sick" the girls create a situation where their families become part of a dire medical emergency.

    • Episode 16


      aired: Thu, Oct 19, 2006

      A dolphin at Sea World will only eat from Cleo's hand and when she has to sneak out to feed him, everyone thinks she has a boyfriend.

    • Episode 15

      The Big Chill

      aired: Thu, Oct 12, 2006

      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


      aired: Wed, Oct 4, 2006

      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


      aired: Wed, Sep 27, 2006

      When the mysterious old woman's boat and home is declared unseaworthy Emma invites her over to stay. Zane gets trapped on the sinking boat and Emma tries to save him but he sees a tail.

    • Episode 12

      The Siren Effect

      aired: Thu, Sep 21, 2006

      The full moon strikes Cleo, turning her into a magical siren, attracting all the young males in the vicinity. Cleo enjoys the attention and is encouraged to sing for them, but a concert at the Juice Bar as the moon sets reveals her truly awful voice.

    • Episode 11

      Sink or Swim

      aired: Thu, Sep 14, 2006

      Emma trains Byron for the swimming competition. At first they get along well and even share a kiss, but too soon Emma becomes the training dragon. Byron fires Emma but when he wins the comp he tries to hug her and she recoils.

    • Episode 10

      The Camera Never Lies

      aired: Thu, Sep 7, 2006

      Zane tries to impress his dad by entering in the local film competition, filming his attempt to break his DadÕs windsurfing record around Mako Island. He gets into trouble with sharks and unbeknownst to him, is saved by mermaid Rikki.

    • Episode 9

      Dangerous Waters

      aired: Thu, Aug 31, 2006

      Rikki uses her abilities as a mermaid to earn some quick cash but when she accidentally becomes involved in a fish smuggling operation she sets out to get her revenge.

    • Episode 8

      The Denman Affair

      aired: Thu, Aug 24, 2006

      A charismatic newcomer, Dr Denman, tempts Lewis with the promise of scientific fame and fortune. Will he abandon his friends and risk their secret, all in the name of science?

    • Episode 7

      Moon Spell

      aired: Thu, Aug 17, 2006

      The effects of the full moon turns Emma into a carefree, wild mermaid. At her fatherÕs birthday party sheÕs the opposite to her usual, organised self. Can the other girls stop her before all is revealed?

    • Episode 6

      Young Love

      aired: Thu, Aug 10, 2006

      Rikki gains an admirer in Emma's younger brother Elliot when she saves him from drowning. She lets him down hard causing him to run away and hide in the fernery. The girls find him just as the watering system is about to start.

    • Episode 5

      Something Fishy

      aired: Thu, Aug 3, 2006

      Kim reads Cleo's diary and finds evidence of mermaidness. She spies on the girls and decides Miriam is the head mermaid. Miriam and Cleo enter the Queen of the Sea contest where Kim tries to prove her theory but only succeeds in upsetting Miriam.

    • Episode 4

      Party Girls

      aired: Thu, Jul 27, 2006

      Determined to live a normal life, Cleo encourages Emma to have her annual sleepover. Cleo gets splashed, causing her to have to hide her tail in a sleeping bag. Cleo meets a mysterious old woman who seems to know their secret.

    • Episode 1


      aired: Thu, Jul 6, 2006

      Cleo and Emma meet new girl, Rikki, and find themselves stuck on Mako Island where they are transformed into mermaids. As well as growing tails, the girls find they have powers over water.

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