Cleo, Emma and Rikki are stuck on the mysterious Mako Island!
H2O: Pool Party"
Miriam's having a pool party but the girls must avoid water at all costs!
H2O: "Catch of the Day"
Sharks on the loose! Or are they?
H2O: "Party Girls"
The girls' attempts to live normal lives backfires!
H2O: "Young Love"
Elliot falls hard for Rikki!
H2O: "Hurricane Angela"
It's sister vs. sister when Cleo and Kim babysit for their cousin!
H2O: "Hook, Line, and Sinker"
Locked out on a balcony, Rikki and Zane are stuck with each other!
H2O: "Red Herring"
There's only one way to distract Zane from his mermaid hunt...a date with Rikki!
H2O: "Moon Spell"
The moon has a mysterious pull on mermaids...
H2O: "Denman Affair"
Lewis is on the verge of discovering how the girls transform into mermaids!
H2O: "Dangerous Waters"
Rikki's searching for a replacement pet fish for Cleo!
H2O: "Camera Never Lies"
Rikki saves Zane's life in a daring shark attack rescue!
H2O: "Sink or Swim"
Is a romance brewing between Byron and Emma?
H2O: "The Siren Effect"
It's another full moon...but this time the girls take precautions!
Emma's out to save Miss Chatham!
Are Cleo and Zane an item??
H2O: "The Big Chill"
Rikki's not cut out for a job at the Juice Bar!
Zane thinks a monster lives under the sea...and he's out to get it!