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.
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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.
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…
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…
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…
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…
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…
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…
Charlotte demands answers to why Lewis is hanging out with the girls so much. She starts to believe an excuse from Cleo, but then a discovery from inside Max’s research…
Lewis is trying to find more information on the moon pool and stumbles across research on it by Max Hamilton from fifty years ago. Will Lewis reveal the girls secret…
