H2O: Just Add Water Poster

(2006–2010)

Episode List

 OR 

Season 3

26 Oct. 2009
The Awakening
Cleo and Rikki enter their final year of high school. They make friends with a new girl, Bella, and a new boy, Will. However, they encounter a new force on Mako Island that has the power to turn water against the girls.
 
27 Oct. 2009
Jungle Hunt
With Will finding out about Mako Island, Bella tries to misdirect his search so that he will not discover the Moon Pool. However, Lewis and the girls find out that the Moon Pool is different.
 
28 Oct. 2009
Keep Your Enemies Close
At the marine park, Cleo seeks a job as a dolphin trainer. Meanwhile, until she and Bella reach an understanding, Rikki fires Nate's band, preventing them from playing in the cafe.
 
31 Oct. 2009
Valentine's Day
Cleo has to put off Lewis' romance plans in order to help Kim with her crazy love life. Meanwhile, Don meets up with a National Parks Manager, Samantha, and the two decide to date.
 
7 Nov. 2009
Big Ideas
Zane has bought motorbikes to earn rent from clients, but also organizes a rugged range race, offering $1,000, confident to win himself. He actively recruits competitors, greedy for their $200 entry fees, including Will, who has to borrow the cash. Learning Will has experience from his parent's Andes posting, bad loser Zane enlists Nate to cheat roughly, but fails. Will's precise recollections about the aggressive moon pool tentacle help Lewis devise a test which shows the key is mixing water from the ocean itself and the waterfall, albeit apparently very weak except ...
 
14 Nov. 2009
Secrets and Lies
Bella tries to get close to Will but when Bella goes to his place she sees him with another girl. Meanwhile Lewis tries to test the water from the moon pool but gets caught by his teacher.
 
21 Nov. 2009
Happy Families
Cleo is placed in an awkward situation when Don takes the family to the beach to help his daughters bond with his new girlfriend, Samantha.
 
28 Nov. 2009
Kidnapped
Will decides to return to the moon pool after making the connection between his previous encounter with the moon pool waterfall and the timing of the full moon.
 
5 Nov. 2009
The Sorcerer's Apprentice
Cleo starts to experiment on the moon pool water without Lewis' knowledge, but things start going wrong when Cleo's fish Hector gets trapped in the bubble of floating water. Meanwhile, Lewis has to play golf with Cleo's father.
 
12 Dec. 2009
Revealed
After Bella gives Will a shell-like fossil she found while swimming, Will becomes suspicious as the fossil is of a rare kind. Rikki realises how close Will is to finding out their mermaid secret and warns Bella to stay away from Will.
 
18 Jan. 2010
Just a Girl at Heart
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 improvise when the cafe's first corporate function is actually a children's party.
 
19 Jan. 2010
Crime and Punishment
It's Rikki's birthday. Sophie asks Will to make a delivery for the café and he's given fake money. Rikki goes to investigate and gets into trouble. Will, Cleo and Bella come to her rescue.
 
21 Jan. 2010
To Have and to Hold Back
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.
 
28 Jan. 2010
Mermaid Magic
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.
 
23 Feb. 2010
Power Play
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.
 
24 Feb. 2010
The Dark Side
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.
 
25 Feb. 2010
A Magnetic Attraction
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.
 
12 Apr. 2010
Into the Light
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.
 
13 Apr. 2010
Breakaway
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.
 
13 Apr. 2010
Queen for a Day
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.
 
14 Apr. 2010
The Jewel Thief
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.
 
14 Apr. 2010
Mako Masters
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.
 
15 Apr. 2010
Beach Party
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.
 
15 Apr. 2010
Too Close for Comfort
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.
 
16 Apr. 2010
A Date with Destiny
Cleo discovers a comet is causing fish to flee the waters around Mako Island.
 
16 Apr. 2010
Graduation
While the world celebrates the spectacle of the rare comet, Cleo, Rikki and Bella know it's destined to strike earth and set out to stop it.
 

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