H2O: Just Add Water

Season 1

TV-PG

81%

Three ordinary teenage girls discover a moon pool on Mako Island that turns them into extraordinary mermaids with special powers over water on the night of a full moon. They must never look in the moon's eye or there will be side effects for each of them.

Where to Watch H2O: Just Add Water • Season 1

26 Episodes

Metamorphosis
E1
MetamorphosisThree very different teenage girls, Emma, Cleo and Rikki, facing everyday teenage problems. With a twist: they're mermaids; after discovering a magic place where they are given incredible powers over water that change their lives forever.
Pool Party
E2
Pool PartyThe girls can't resist an invitation to a pool party thrown for hunky surfer Byron. However it proves impossible to prevent getting wet there, so they're rather lucky to be discovered transforming into mermaids only by Lewis, who is ready to keep their secret.
Catch of the Day
E3
Catch of the DayRikki, Emma and Cleo discover that sea turtles are being captured by fishing nets. When Rikki and Emma attempt to rescue the turtles by cutting the nets, it causes the fisherman to think that there is a rogue shark roaming their ocean.
Party Girls
E4
Party GirlsEmma decides that she is not going to have her annual sleepover party due to what has happened to them. But Rikki and Cleo try to convince her otherwise. Meanwhile, Lewis conducts experiments on the girls.
Something Fishy
E5
Something FishyCleo's sister Kim finds her diary and thinks that Cleo and her friends are 'evil mermaids' and she plans to tell everyone. Meanwhile, Lewis goes to Mako Island to find out more about what happened to the girls.
Young Love
E6
Young LoveEmma gets into trouble babysitting her little brother Elliot. She goes to Lewis for help when Elliot develops a crush on Rikki.
Moon Spell
E7
Moon SpellMiss Chatham gives Cleo a warning that she doesn't quite understand. Until Emma finds herself in a trance and unable to change back from a mermaid under a full moon.
The Denman Affair
E8
The Denman AffairLewis is offered a great job with a marine biologist, but the girls are concerned that his interest will cause him to reveal too much information
Dangerous Waters
E9
Dangerous WatersRikki lands a seemingly harmless job collecting rare fish, but when she learns the man who hired her doesn't work for the marine park but is actually a dealer selling the fish for big profits, she decides to take on the task of setting things right.
The Camera Never Lies
E10
The Camera Never LiesRikki enters a short film contest on the theme of 'Heroes' and decides to capture some nice underwater footage with her 'abilities'. Meanwhile, Emma is interviewing her mum and Zane and Lewis are planning to rennact Dr. Bennet's windsurfing record.
Sink or Swim
E11
Sink or SwimByron asks Emma for help with training the school's swimming team and Emma has some trouble deciding whether or not to help out in her current situation. Meanwhile, Lewis continues to experiment on the girls, which annoys Rikki.
The Siren Effect
E12
The Siren EffectThe full moon gives Cleo a power to put guys in a 'trance' and she suddenly gets a rush of admirers.
Shipwrecked
E13
ShipwreckedWhen Zane's complaint results in the enigmatic Miss Chatham being evicted from her boat at the marina, Emma invites her to stay with her family. After overhearing Miss Chatham and her concern for her "treasure", Zane pursues her boat when she departs the marina. Emma and Lewis catch up with them in time to help with a medical emergency but when Zane gets trapped on the sinking boat, Emma must risk the water to save him.
Surprise!
E14
Surprise!Cleo's 16th birthday is approaching and she thinks that her father is going to throw another embarrasing birthday party. Meanwhile, Zane tries to find the 'sea monster' that he saw when he almost drowned.
The Big Chill
E15
The Big ChillEmma is doing well at her new job at the JuiceNet cafe, but when she is left in charge, she has trouble managing her new employee, Rikki.
Lovesick
E16
LovesickRumour has it that Cleo has a boyfriend and her friends and family are trying to find out who he is. Meanwhile, Zane continues his search for the 'sea monster' he saw.
Under the Weather
E17
Under the WeatherThe girls have to fake sick as a result of a thunderstorm, so their secret won't be discovered at school. But their 'sickness' attracts the attention of doctors.
Bad Moon Rising
E18
Bad Moon RisingZane's quest to find the 'sea monster' has led him to Mako Island. Rikki loses control of her powers as a result of the full moon and Zane finds her.
Hurricane Angela
E19
Hurricane AngelaCleo and Kim are stuck with their cousin Angela who wants to go body boarding and causes a bird brained distraction when Cleo refuses.
Hook, Line and Sinker
E20
Hook, Line and SinkerLewis enters the annual fishing derby. When Cleo sees him struggling, she decides to help him out with disastorous consequnces. Meanwhile, Rikki and Zane are trapped on a hotel balcony.
Red Herring
E21
Red HerringEmma decides to change her look by colouring her hair red. Though nothing is that simple when you're half-mermaid. Zane asks Rikki out on a date.
Fish Out Of Water
E22
Fish Out Of WaterEmma and Cleo are concerned about Rikki going out with Zane. They force Rikki to decide to either be with Zane or with them.
In Too Deep
E23
In Too DeepRikki finds a locket that looks the same as Miss Chatham's in a Jewellery shop and she is determined to get it.
Love Potion #9
E24
Love Potion #9With the school dance coming up, Emma and Cleo hope Byron and Lewis will ask them out. Meanwhile, Miss Chatham and Lewis argue about which has more merit – magic or science.
Dr. Danger
E25
Dr. DangerIt's time for Emma's family's annual vacation trip, but she can't go as the risks are too high. But all her excuses don't go very well with her family. Meanwhile, with the return of Dr Denman, Zane is closer than ever to cracking the girl's secret.
A Twist in the Tail
E26
A Twist in the TailDr Denman sets up a trap for the girls at Mako Island and Zane is forced to decide who he should be helping.