3 seasons available

H2O: Just Add Water

TVY7 • Drama, Kids, Fantasy, Teen, Science Fiction, Family • TV Series • 2006

Rikki, Cleo and Lewis think they know everything there is to know about Mako Island, but when water attacks the girls in a full moon, they realise a n...more

Rikki, Cleo and Lewis think they know everything there is to know about Mako Island, but when water attacks the girls in a full moon, they realise a n...more

Start watching H2O: Just Add Water

Stream thousands of shows and movies, with plans starting at $5.99/month for 1 year*.

3 seasons available (78 episodes)

3 seasons available

(78 episodes)

Season123
Episode 1

The Awakening

Cleo and Rikki face their final year of high school without Emma. They make a new friend in Bella and meet new boy Will. They encounter a strange new force on Mako Island that turns water against them.
Episode 2

Jungle Hunt

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 3

Keep Your Enemies Close

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 4

Valentine's Day

Cleo's forced to put Lewis' plans for romance on hold to restrain Kim's out of control love life.
Episode 5

Big Ideas

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 6

Secrets & Lies

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 7

Happy Families

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 8

Kidnapped

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 9

The Sorcerer's Apprentice

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 10

Revealed

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 11

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 have to improvise when the cafe's first corporate function is actually a children's party.
Episode 12

Crime & Punishment

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 13

To Have & 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.
Episode 14

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.
Episode 15

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.
Episode 16

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.
Episode 17

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.
Episode 18

Into the Light

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 19

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.
Episode 20

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.
Episode 21

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.
Episode 22

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.
Episode 23

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.
Episode 24

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.
Episode 25

A Date With Destiny

Cleo discovers a comet is causing fish to flee from Mako Island. The girls find a way to restart the message in the Moon Pool and discover the comet will collide with earth. Sophie, Ryan and Zane join forces to remove the crystals from the Moon Pool.
Episode 26

Graduation

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.

Related

Wolfblood
TVPG • Drama, Kids • TV Series (2013)
Dance Academy
TVG • Drama, Kids • TV Series (2010)
A Mermaid's Tale
G • Fantasy, Drama • Movie (2017)
Once Upon a Time
TVPG • Thriller, Family • TV Series (2011)
Harry and His Bucket Full of Dinosaurs
TVY • Fantasy, Animation • TV Series (2005)
The Hive
TVY • Fantasy, Animation • TV Series (2010)
K.C. Undercover
TVY7 • Family, Sitcom • TV Series (2015)
The Thundermans
TVG • Comedy, Sitcom • TV Series (2013)
Deltora Quest
TVY7 • Kids, Anime • TV Series (2007)
The Indian in the Cupboard
PG • Family, Drama • Movie (1995)
Austin & Ally
TVG • Family, Kids • TV Series (2011)
Dog With a Blog
TVG • Family, Sitcom • TV Series (2012)

Select Your Plan

No hidden fees, equipment rentals, or installation appointments.

No Commercials

Get 1 month free, then

$11.99/

month

  • Stream on your favorite devices
  • Unlimited access to streaming content
  • Switch plans or cancel anytime
  • No Commercials
Available add-ons
  • HBO®
  • SHOWTIME®
  • CINEMAX®

Most Popular

Limited Commercials

Get 1 month free, then

$5.99/

month for 1 year*

  • Stream on your favorite devices
  • Unlimited access to streaming content
  • Switch plans or cancel anytime
Available add-ons
  • No Commercials
  • HBO®
  • SHOWTIME®
  • CINEMAX®

Hulu with Live TV

Get 7 days free, then

$39.99/

month

  • Watch Live TV on many of your favorite devices
  • Unlimited access to the Hulu streaming library (Limited Commercials Plan)
  • Stream 50+ top Live and On Demand TV channels
  • Switch plans or cancel anytime
Available add-ons
  • Enhanced Cloud DVR
  • Unlimited Screens
  • HBO®
  • SHOWTIME®
  • CINEMAX®