Lara Cox

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. Also available on Nickelodeon

When teenagers Cleo (Phoebe Tonkin), Emma (Claire Holt) and Rikki (Cariba Heine) wander into a mystical pool while stranded on an isolated island during a full moon, they turn into mermaids with magical powers in this fantasy television series from Australia. With a little help from their friend Lewis (Angus McLaren), the girls struggle to keep their secret safe -- which means staying far away from the water.

Rikki, Cleo and Lewis think they know everything about Mako Island, but when water attacks the girls during a full moon, they realize a potentially dangerous force is developing on the mysterious island. Thankfully, they meet a new ally who can help!

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.

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.

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.

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.

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.

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.