Three very different teenage girls, Emma, Cleo and Rikki, facing everyday teenage problems. With a twist: they're mer...

Miriam is having a pool party and Cleo considers going despite the risks of being around water. Meanwhile, Emma conte...

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

Emma decides that she is not going to have her annual sleepover party due to what has happened to them. But Rikki and...

Cleo's sister Kim finds her diary and thinks that Cleo and her friends are 'evil mermaids' and she plans to tell ever...

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

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

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

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

Rikki enters a short film contest on the theme of 'Heroes' and decides to capture some nice underwater footage with h...

Byron asks Emma for help with training the school's swimming team and Emma has some trouble deciding whether or not t...

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

Emma invites Miss Chatham to stay at her place and Zane overhears Miss Chatham's concerns about 'her treasure'.

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

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

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

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

Zane's quest to find the 'sea monster' has led him to Mako Island. Rikki loses control of her powers as a result of t...

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

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

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

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

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

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

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

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