H2O: Just Add Water

Watch H2O: Just Add Water

  • TV-PG
  • 2006
  • 3 Seasons
  • 7.2  (15,067)

This fantasy series revolves around three teenage mermaids as they struggle with the typical problems that teenagers have to face. It just happens that they also have to deal with the problems that teenage mermaids have to face. The series aired on Australia's Network Ten between 2006 and 2010. The series subsequently aired in the UK and the United States.

H2O: Just Add Water
Filter by Source

26. Graduation
April 16, 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.
A Date With Destiny
25. A Date With Destiny
April 16, 2010
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.
Too Close for Comfort
24. Too Close for Comfort
April 15, 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.
Beach Party
23. Beach Party
April 15, 2010
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.
Mako Masters
22. Mako Masters
April 14, 2010
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.
The Jewel Thief
21. The Jewel Thief
April 14, 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.
Queen for a Day
20. Queen for a Day
April 13, 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.
19. Breakaway
April 13, 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.
Into the Light
18. Into the Light
April 12, 2010
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.
A Magnetic Attraction
17. A Magnetic Attraction
February 25, 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.
The Dark Side
16. The Dark Side
February 24, 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.
Power Play
15. Power Play
February 23, 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.
Mermaid Magic
14. Mermaid Magic
February 22, 2010
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.
To Have & To Hold Back
13. To Have & To Hold Back
January 21, 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.
Crime & Punishment
12. Crime & Punishment
January 19, 2010
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.
Just a Girl at Heart
11. Just a Girl at Heart
January 18, 2010
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.
10. Revealed
November 6, 2009
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.
The Sorcerer's Apprentice
9. The Sorcerer's Apprentice
November 5, 2009
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.
8. Kidnapped
November 4, 2009
During a full moon, the girls stay at Cleo's and Bella is attacked by the water creature. At the same time, 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.
Happy Families
7. Happy Families
November 3, 2009
Cleo's family and Sam go on a picnic to the beach, which leads to tension when Cleo refuses to go near the water. Kim abuses the fact that her father is happy in order to get lots of gifts. Will's sister Sophie competes with Bella to get the job Bella wanted at Rikki's Cafe.
Secrets & Lies
6. Secrets & Lies
November 2, 2009
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.
Big Ideas
5. Big Ideas
October 30, 2009
To get more interest in the cafe, Zane develops a dirt bike race. However, Rikki finds out that it is a scam. She and Bella decide to team up to teach him a lesson. Meanwhile, Lewis and Cleo find out something interesting about mixing the waters in the Moon Pool
Valentine's Day
4. Valentine's Day
October 29, 2009
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.
Keep Your Enemies Close
3. Keep Your Enemies Close
October 28, 2009
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.
Jungle Hunt
2. Jungle Hunt
October 27, 2009
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.
The Awakening
1. The Awakening
October 26, 2009
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.

This fantasy series revolves around three teenage mermaids as they struggle with the typical problems that teenagers have to face. It just happens that they also have to deal with the problems that teenage mermaids have to face. The series aired on Australia's Network Ten between 2006 and 2010. The series subsequently aired in the UK and the United States.

H2O: Just Add Water is a series that is currently running and has 3 seasons (78 episodes). The series first aired on July 6, 2006.

Where to Watch H2O: Just Add Water

H2O: Just Add Water is available for streaming on the Network Ten website, both individual episodes and full seasons. You can also watch H2O: Just Add Water on demand at Netflix, Amazon, Hoopla, Apple TV and Amazon Prime.

  • Premiere Date
    July 6, 2006
  • IMDB Rating
    7.2  (15,067)