Zane thinks a monster lives under the sea...and he's out to get it!
H2O: "Bad Moon Rising"
Rikki's powers go haywire!
H2O: "Under the Weather"
A rainy day traps the girls inside Emma's house.
H2O: "Fish Out of Water"
Zane's Dad has plans to turn Mako Island into a tourist attraction!
H2O: "Exposed Part 1"
Dr. Denman returns to research Mako Island!
H2O: "Exposed Par t2"
Dr. Denman sets a trap for the girls...
H2O: "Love Potion #9"
Armed with Lewis' water proof spray, the girls go to the school dance!
H2O: "In Too Deep"
Miriam's out to make Rikki's life miserable!
H2O: "Hocus Pocus"
Lewis tests a magical potion on the girls!
H2O: "Stormy Weather"
The girls are in for a night of trouble!
Cleo wants Lewis to just leave her alone!
H2O: "The One that Got Away"
Cleo might be jealous of Lewis's new friend!
H2O: "Fire and Ice"
Does Elliot think Rikki would make a better sister than Emma?
H2O: "In Hot Water"
Will Lewis take the fall for the girls' prank?
H2O: "Wrong Side of the Tracks"
Rikki wants to keep her history secret from Zane.
H2O: "Riding for a Fall"
Yikes! Lewis has TWO dates to his awards dinner!
H2O: "Pressure Cooker"
Don appears to have a girlfriend...and it's Charlotte's mother!
H2O: "Missed the Boat"
Are Lewis and Charlotte an item??!
H2O: "In Over Our Heads"
While searching for a treasure chest, Rikki injures herself!
H2O: "Fish Fever"
Is Emma turning into a fish?
Nate's secret potion has strange powers over Emma, Cleo and Rikki!