7.6/10376 votes#1 - Metamorphosis
Season 1 Episode 1 - Aired 7/7/2006
Three 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.
Director: Colin Budds
Writer: Philip Dalkin
7.4/10272 votes#2 - Pool Party
Season 1 Episode 2 - Aired 7/14/2006
Annoying Miss Popularity, Miriam, is having a pool party and the girls want to go. But being around water is risky, especially when Zane tosses Cleo into the pool. Lewis is the only one around to help so he finds out their secret.
Director: Colin Budds
Writer: Deb Cox
7.3/10247 votes#3 - Catch of the Day
Season 1 Episode 3 - Aired 7/21/2006
Rikki, 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.
Director: Colin Budds
Writer: Simon Butters
7.2/10237 votes#4 - Party Girls
Season 1 Episode 4 - Aired 7/28/2006
Emma 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.
Director: Colin Budds
Writer: Anthony Morris
7.3/10229 votes#5 - Something Fishy
Season 1 Episode 5 - Aired 8/4/2006
Cleo'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.
Director: Colin Budds
Writer: Joanne Watson
7.3/10213 votes#6 - Young Love
Season 1 Episode 6 - Aired 8/11/2006
Emma gets into trouble babysitting her little brother Elliot. She goes to Lewis for help when Elliot develops a crush on Rikki.
Director: Colin Budds
Writer: Sam Carroll
7.6/10220 votes#7 - Moon Spell
Season 1 Episode 7 - Aired 8/18/2006
Miss 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.
Director: Colin Budds
Writer: Max Dann
7.3/10199 votes#8 - The Denman Affair
Season 1 Episode 8 - Aired 8/25/2006
Lewis 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
Director: Colin Budds
Writer: Chris Anastassiades
7.2/10202 votes#9 - Dangerous Waters
Season 1 Episode 9 - Aired 9/1/2006
Rikki 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.
Director: Colin Budds
Writer: Anthony Morris
7.5/10204 votes#10 - The Camera Never Lies
Season 1 Episode 10 - Aired 9/8/2006
Rikki 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.
Director: Colin Budds
Writer: Deb Cox
7.0/10189 votes#11 - Sink or Swim
Season 1 Episode 11 - Aired 9/15/2006
Byron 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.
Director: Colin Budds
Writer: Max Dann
7.5/10201 votes#12 - The Siren Effect
Season 1 Episode 12 - Aired 9/22/2006
The full moon gives Cleo a power to put guys in a 'trance' and she suddenly gets a rush of admirers.
Director: Colin Budds
Writer: Susan MacGillicuddy
7.6/10189 votes#13 - Shipwrecked
Season 1 Episode 13 - Aired 9/29/2006
Emma invites Miss Chathams to stay at her place and Zane overhears Miss Chathams concerning about 'her treasure'.
Director: Colin Budds
Writer: Philip Dalkin
7.2/10182 votes#14 - Surprise!
Season 1 Episode 14 - Aired 10/6/2006
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.
Director: Jeffrey Walker
Writer: Chris Anastassiades
7.6/10180 votes#15 - The Big Chill
Season 1 Episode 15 - Aired 10/13/2006
Emma 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.
Director: Jeffrey Walker
Writer: N/A
7.7/10187 votes#16 - Lovesick
Season 1 Episode 16 - Aired 10/20/2006
Rumour 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.
Director: Jeffrey Walker
Writer: N/A
7.8/10190 votes#17 - Under the Weather
Season 1 Episode 17 - Aired 10/27/2006
The 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.
Director: Jeffrey Walker
Writer: N/A
8.1/10198 votes#18 - Bad Moon Rising
Season 1 Episode 18 - Aired 11/3/2006
Zane'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.
Director: Jeffrey Walker
Writer: N/A
7.3/10179 votes#19 - Hurricane Angela
Season 1 Episode 19 - Aired 11/10/2006
Cleo and Kim are stuck with their cousin Angela who wants to go body boarding and causes a bird brained distraction when Cleo refuses.
Director: Jeffrey Walker
Writer: N/A
7.8/10191 votes#20 - Hook, Line and Sinker
Season 1 Episode 20 - Aired 11/17/2006
Lewis 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.
Director: Jeffrey Walker
Writer: N/A
7.9/10182 votes#21 - Red Herring
Season 1 Episode 21 - Aired 11/24/2006
Emma 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.
Director: Jeffrey Walker
Writer: N/A
8.0/10186 votes#22 - Fish Out Of Water
Season 1 Episode 22 - Aired 12/1/2006
Emma and Cleo are concerned about Rikki going out with Zane. They force Rikki to decide to either be with Zane or with them.
Director: Jeffrey Walker
Writer: N/A
8.0/10188 votes#23 - In Too Deep
Season 1 Episode 23 - Aired 12/8/2006
Rikki finds a locket that looks the same as Miss Chatham's in a Jewellery shop and she is determined to get it.
Director: Jeffrey Walker
Writer: N/A
7.9/10184 votes#24 - Love Potion #9
Season 1 Episode 24 - Aired 12/15/2006
With the school dance coming up, Emma and Cleo hope Byron and Lewis will ask them out. Meanwhile, Miss Chatham and Lewis are arguing about which is more important, magic and science.
Director: Jeffrey Walker
Writer: N/A
8.0/10180 votes#25 - Dr. Danger
Season 1 Episode 25 - Aired 12/22/2006
It'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.
Director: Jeffrey Walker
Writer: N/A
The Best Episodes of H2O: Just Add Water Season 1
Every episode of H2O: Just Add Water Season 1 ranked from best to worst. Discover the Best Episodes of H2O: Just Add Water Season 1!
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...
Genres:DramaFamilySci-Fi & Fantasy
Network:Network Ten
Season 1 Ratings Summary
"Metamorphosis" is the best rated episode of "H2O: Just Add Water" season 1. It scored 7.6/10 based on 376 votes. Directed by Colin Budds and written by Philip Dalkin, it aired on 7/7/2006. This episode is rated 0.2 points higher than the second-best, "Pool Party".