
Phoebe Tonkin
Cleo Sertori
Series

Synopsis
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.
Episodes
1. MetamorphosisNow viewing2006-07-0724m6.8Three 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.
2. Pool Party2006-07-1424m6.0Miriam is having a pool party and Cleo considers going despite the risks of being around water. Meanwhile, Emma contemplates her future as a swimmer and Rikki makes a new discovery.
3. Catch of the Day2006-07-2124m6.1Rikki, 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.
4. Party Girls2006-07-2824m5.8Emma 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.
5. Something Fishy2006-08-0424m6.0Cleo'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.
6. Young Love2006-08-1124m5.8Emma gets into trouble babysitting her little brother Elliot. She goes to Lewis for help when Elliot develops a crush on Rikki.
7. Moon Spell2006-08-1824m5.8Miss 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.
8. The Denman Affair2006-08-2524m5.8Lewis 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
9. Dangerous Waters2006-09-0124m5.5Rikki is offered a job to collect rare fish. At first it seems perfectly fine, until she finds out the person that hired her is selling the fish for large profits.
10. The Camera Never Lies2006-09-0824m6.0Rikki 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.
11. Sink or Swim2006-09-1524m5.9Byron 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.
12. The Siren Effect2006-09-2224m6.0The full moon gives Cleo a power to put guys in a 'trance' and she suddenly gets a rush of admirers.
13. Shipwrecked2006-09-2924m6.3Emma invites Miss Chatham to stay at her place and Zane overhears Miss Chatham's concerns about 'her treasure'.
14. Surprise!2006-10-0624m5.7Cleo'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.
15. The Big Chill2006-10-1324m7.3Emma 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.
16. Lovesick2006-10-2024m7.3Rumour 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.
17. Under the Weather2006-10-2724m7.3The 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.
18. Bad Moon Rising2006-11-0324m7.3Zane'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.
19. Hurricane Angela2006-11-1024m5.0Cleo and Kim are stuck with their cousin Angela who wants to go body boarding and causes a bird brained distraction when Cleo refuses.
20. Hook, Line and Sinker2006-11-1724m6.4Lewis 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.
21. Red Herring2006-11-2424m7.2Emma 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.
22. Fish Out Of Water2006-12-0124m6.4Emma and Cleo are concerned about Rikki going out with Zane. They force Rikki to decide to either be with Zane or with them.
23. In Too Deep2006-12-0824m7.3Rikki finds a locket that looks the same as Miss Chatham's in a Jewellery shop and she is determined to get it.
24. Love Potion #92006-12-1524m7.3With 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.
25. Dr. Danger2006-12-2224m7.5It'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.
26. A Twist in the Tail2006-12-2924m7.3Dr Denman sets up a trap for the girls at Mako Island and Zane is forced to decide who he should be helping.Cast
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H2O: Just Add Water has 3 seasons and 78 episodes.
H2O: Just Add Water first aired in 2006.
H2O: Just Add Water's status on TMDB is: Ended.
H2O: Just Add Water is classified as Drama, Family, Sci-Fi & Fantasy.