H2O: Just Add Water

Three teenage girls discover a secret pool when they are stranded on Mako Island.

Cleo, Emma and Rikki fear that their secret will get out when they attend a pool party.

Cleo must overcome her fear of water in order to enjoy being a mermaid.

Lewis tests the girls' powers; Cleo's younger sister becomes suspicious when she reads Cleo's diary.

Cleo gets a job feeding the dolphins at a marine park; Emma has a sleepover party.

Elliot falls in love with Rikki after she saves him from drowning at the beach.

The girls ignore Miss Chatham's advice to beware of trouble when there is a full moon.

On the verge of discovering how the girls transform, Lewis considers revealing their secret to a beautiful marine biologist.

While trying to buy a fish for Cleo, Rikki finds herself involved in a fish-smuggling operation.

Zane and Emma each try to make their own short film to enter into a contest at the juice bar.

Byron persuades Emma to train him for a swimming competition; Rikki plays pranks on Lewis to try and unsettle him.

The full moon turns Cleo into a magical siren who attracts boys with her angelic voice.

Emma witnesses Miss Chatham arguing with Zane because she accidentally hit his jet-ski with her boat.

Zane believes that a mysterious creature is living under the sea and decides to mount an expedition to catch the monster.

Wilfred leaves Emma in charge of the juice bar for a weekend while he goes away to a conference.

A misunderstanding leads everyone to believe that Cleo and Zane are dating and planning on running away together.

When a rainy day traps the girls at Emma's house, they all pretend to be sick so that they do not have to go to school.

Rikki escapes to Mako Island after accidentally burning Emma during a full moon.

Cleo and Kim's relationship is strained when their manipulative cousin comes to visit.

Cleo tries to help Lewis win a fishing competition; Rikki and Zane are trapped together on the balcony of a fancy hotel.

Zane finds evidence linking Miss Chatham to a decades-old mermaid sea rescue; Zane pursues Rikki.

Emma and Cleo force Rikki to choose between her friends and Zane; Harrison plans to develop Mako Island into a tourist resort.

Rikki is furious when Miriam ruins her plan to buy an old locket from the local jewelry store.

Cleo and Emma hope that Lewis and Byron will ask them to the school dance.

Dr. Denman returns to do research on Mako Island; Emma tries to avoid going on a family beachside holiday.

The girls use the lunar eclipse to avoid being exposed by Dr. Denman.