H2O: Just Add Water revolves around three teenage girls facing everyday teen problems with an added twist: they cope with the burden of growing a giant fin and transforming into mermaids whenever they come in contact with water.
Metamorphosis
Pool Party
Catch of the Day
Party Girls
Something Fishy
Young Love
Moon Spell
The Denman Affair
Dangerous Waters
The Camera Never Lies
Sink or Swim
The Siren Effect
Shipwrecked
Surprise!
The Big Chill
Lovesick
Under the Weather
Bad Moon Rising
Hurricane Angela
Hook, Line and Sinker
Red Herring
Fish Out Of Water
In Too Deep
Love Potion #9
Dr. Danger
A Twist in the Tail
Goodbye Again
Randall and Hopkirk (Deceased)
Skins
Ah! My Goddess
The Agatha Christie Hour
Govengers
Meow Ears Up!
One of Us Is Lying
Tasokare Hotel
Eagles
I'm Inside Mari
Destiny's Love
The World God Only Knows
Rounin
Buffy the Vampire Slayer
Higher Ground
Sabrina, the Teenage Witch
The Helpful Fox Senko-san
He's Coming To Me
Zodiac Slayer