Three very different teenage girls, Emma, Cleo and Rikki, facing everyday teenage problems. With a t...

Annoying Miss Popularity, Miriam, is having a pool party and the girls want to go. But being around...

Rikki, Emma and Cleo discover that sea turtles are being captured by fishing nets. When Rikki and Em...

Emma decides that she is not going to have her annual sleepover party due to what has happened to th...

Cleo's sister Kim finds her diary and thinks that Cleo and her friends are 'evil mermaids' and she p...

Emma gets into trouble babysitting her little brother Elliot. She goes to Lewis for help when Elliot...

Miss Chatham gives Cleo a warning that she doesn't quite understand. Until Emma finds herself in a t...

Lewis is offered a great job with a marine biologist, but the girls are concerned that his interest...

Rikki is offered a job to collect rare fish. At first it seems perfectly fine, until she finds out t...

Rikki enters a short film contest on the theme of 'Heroes' and decides to capture some nice underwat...

Byron asks Emma for help with training the school's swimming team and Emma has some trouble deciding...

The full moon gives Cleo a power to put guys in a 'trance' and she suddenly gets a rush of admirers.

Emma invites Miss Chathams to stay at her place and Zane overhears Miss Chathams concerning about 'h...

Cleo's 16th birthday is approaching and she thinks that her father is going to throw another embarra...

Emma is doing well at her new job at the JuiceNet cafe, but when she is left in charge, she has trou...

Rumour has it that Cleo has a boyfriend and her friends and family are trying to find out who he is....

The girls have to fake sick as a result of a thunderstorm, so their secret won't be discovered at sc...

Zane's quest to find the 'sea monster' has led him to Mako Island. Rikki loses control of her powers...

Cleo and Kim are stuck with their cousin Angela who wants to go body boarding and causes a bird brai...

Lewis enters the annual fishing derby. When Cleo sees him struggling, she decides to help him out wi...

Emma decides to change her look by colouring her hair red. Though nothing is that simple when you're...

Emma and Cleo are concerned about Rikki going out with Zane. They force Rikki to decide to either be...

Rikki finds a locket that looks the same as Miss Chatham's in a Jewellery shop and she is determined...

With the school dance coming up, Emma and Cleo hope Byron and Lewis will ask them out. Meanwhile, Mi...

It's time for Emma's family's annual vacation trip, but she can't go as the risks are too high. But...

Dr. Denman sets up a trap for the girls at Mako Island and Zane is forced to decide who he should be...

With Cleo's parents now divorced, Cleo is ordered by her dad to take more care of Kim, starting with...

The girls have problems with their new powers and Cleo finds that Lewis isn't helping. A new girl ca...

Rikki tries to avoid Zane when he comes back, but needs his help after an incident with a speedboat....

Trouble arises when Emma throws a party to prove she is as fun as Rikki. Meanwhile, Lewis is trying...

Trouble is in the air as the Setori's start to suffer and the JuiceNet is endangered by a new bar. B...

Cleo is worried when she sees her dad around with another woman. When she arrives at their house, sh...

Everyone is shocked when Cleo is fired at the Ice Cream Stand, and even more so when Lewis takes her...

Zane is curious by Rikki's reluctancy to reveal where she lives. So one day, he eventually convinces...

Emma has to take Eliot for horse riding lessons and the competitive perfectionist tries to be better...

Cleo starts to struggle at school and gets help from the new tutor. But there are bigger problems wh...

In need of cash, Rikki decides to go and searching for a lost statue with a huge reward. But she lie...

Emma gets poisioned after cutting her finger on some coral and she begins to turn into a white scale...

On the night of a full moon, Lewis, Emma, Rikki and Charlotte accompany Cleo's family for a camping...

Cleo decides to restart her friendship with Lewis and embrace her abilities, while Emma is shocked w...

Zane learns of the myth of Ambergris, a fragrance that can make mermaids fall for any man that wears...

Lewis is puzzled when he dreams about Cleo being photographed by people. Later, he and Cleo take Eli...

It's full moon and the girls insist that they don't need Lewis to assit his help as all three girls...

For the first anniversary of the girls being mermaids, Cleo decides to throw a party. However, Emma...

Lewis is trying to find more information on the moon pool and stumbles across research on it by Max...

Charlotte demands answers to why Lewis is hanging out with the girls so much. She starts to believe...

Charlotte's stubborn nature and thirst for knowledge leads her to Max, who confirms her suspicions a...

The girls decide that they should accept Charlotte, and the four work together when they need to joi...

Charlotte is determined to prove her love for Lewis and show she is better than the other three, and...

More friction arises, this time over Lewis' birthday party. Charlotte takes control and drives Rikki...

Angry over the short friendship with the girls, Charlotte forces Lewis to choose between her and his...

A unusual and rare planetary alingment is set to cause the full moon to remove a mermaids powers if...

Cleo and Rikki enter their final year of high school. They make friends with a new girl, Bella, and...

With Will finding out about Mako Island, Bella tries to misdirect his search so that he will not dis...

At the marine park, Cleo seeks a job as a dolphin trainer. Meanwhile, until she and Bella reach an u...

Cleo has to put off Lewis' romance plans in order to help Kim with her crazy love life. Meanwhile, D...

To get more interest in the cafe, Zane develops a dirt bike race. However, Rikki finds out that it i...

Bella tries to get close to Will but when Bella goes to his place she sees him with another girl. Me...

Cleo's family and Sam go on a picnic to the beach, which leads to tension when Cleo refuses to go ne...

During a full moon, the girls stay at Cleo's and Bella is attacked by the water creature. At the sam...

Cleo starts to experiment on the moon pool water without Lewis' knowledge, but things start going wr...

After Bella gives Will a shell-like fossil she found while swimming, Will becomes suspicious as the...

Bella helps Will with his free-diving training but when she realises he's more interested in her as...

Rikki receives counterfeit money at the cafe and is held captive by criminals on a boat. Bella and C...

Kim attempts to derail Don and Samantha's wedding. Lewis receives an opportunity to study in America...

Will pushes himself too far when Zane challenges him to prove his skills as a free- diver. The girls...

Sophie uses Bella's idea for a fundraising concert and presents it as her own to Rikki to gain publi...

Rikki's frustrated by the water attacks and goes to Mako Island on a full moon to confront the stran...

Cleo's introduced to Ryan, a young geophysicist who's working for Samantha. Rikki doesn't react well...

Rikki fears Ryan's explorations on Mako Island will uncover their secrets but Cleo and Bella discoun...

Will competes in the Free-Diving Championships but afterward chooses to break from the sport and shr...

Zane installs Sophie as head of staff at the cafe. Bella develops a sneezing allergy that also accid...

The girls discover the Mako crystals contain immense energy and need to mount a rescue mission when...

The girls sit their final school exams and have to avoid a water attack in public when the full moon...

Bella's eager to ask Will to the end of year party until she sees him asking Rikki. A big misunderst...

Don gets a second job at the Marine Park on the Pirate ship and outshines Cleo, threatening the futu...

Cleo discovers a comet is causing fish to flee the waters around Mako Island. The girls find a way t...

Sophie and Ryan damage the Moon Pool in their efforts to obtain the rare crystals. The girls improvi...