7.0/10189 votesLoading...#1 - 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
7.1/10131 votesLoading...#2 - Power Play
Season 3 Episode 15 - Aired 2/23/2010
Sophie uses Bella's idea for a fundraising concert and presents it as her own to Rikki to gain publicity for the cafe. Cleo's caught in the crossfire with Kim when Samantha moves in and puts her stamp on the Sertori home.
Director: N/A
Writer: N/A
7.2/10237 votesLoading...#3 - 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
7.2/10202 votesLoading...#4 - 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
7.2/10182 votesLoading...#5 - 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
7.3/10247 votesLoading...#6 - 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
7.3/10229 votesLoading...#7 - 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 votesLoading...#8 - 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
7.3/10199 votesLoading...#9 - 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
7.3/10179 votesLoading...#10 - 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
7.3/10154 votesLoading...#11 - Get Off My Tail
Season 2 Episode 14 - Aired 12/28/2007
Cleo decides to restart her friendship with Lewis and embrace her abilities, while Emma is shocked with the new supervisor who has big changes planned.
Director: N/A
Writer: N/A
7.3/10135 votesLoading...#12 - Too Close For Comfort
Season 3 Episode 24 - Aired 4/15/2010
Don gets a second job at the Marine Park on the Pirate ship and outshines Cleo, threatening the future of her Dolphin show. Bella and Will find difficulty trying to connect with each others' interests.
Director: N/A
Writer: N/A
7.4/10272 votesLoading...#13 - 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
7.4/10148 votesLoading...#14 - Jungle Hunt
Season 3 Episode 2 - Aired 10/27/2009
With Will finding out about Mako Island, Bella tries to misdirect his search so that he will not discover the Moon Pool. However, Lewis and the girls find out that the Moon Pool is different.
Director: Jeffrey Walker
Writer: N/A
7.4/10149 votesLoading...#15 - Keep Your Enemies Close
Season 3 Episode 3 - Aired 10/28/2009
At the marine park, Cleo seeks a job as a dolphin trainer. Meanwhile, until she and Bella reach an understanding, Rikki fires Nate's band, preventing them from playing in the cafe.
Director: Jeffrey Walker
Writer: N/A
7.4/10148 votesLoading...#16 - Valentines Day
Season 3 Episode 4 - Aired 10/29/2009
Cleo has to put off Lewis' romance plans in order to help Kim with her crazy love life. Meanwhile, Don meets up with a National Parks Manager, Samantha, and the two decide to date.
Director: Jeffrey Walker
Writer: N/A
7.4/10136 votesLoading...#17 - Big Ideas
Season 3 Episode 5 - Aired 10/30/2009
To get more interest in the cafe, Zane develops a dirt bike race. However, Rikki finds out that it is a scam. She and Bella decide to team up to teach him a lesson. Meanwhile, Lewis and Cleo find out something interesting about mixing the waters in the Moon Pool
Director: Jeffrey Walker
Writer: N/A
7.4/10135 votesLoading...#18 - Happy Families
Season 3 Episode 7 - Aired 11/3/2009
Cleo's family and Sam go on a picnic to the beach, which leads to tension when Cleo refuses to go near the water. Kim abuses the fact that her father is happy in order to get lots of gifts. Will's sister Sophie competes with Bella to get the job Bella wanted at Rikki's Cafe.
Director: Jeffrey Walker
Writer: N/A
7.4/10136 votesLoading...#19 - Into The Light
Season 3 Episode 18 - Aired 4/12/2010
Rikki fears Ryan's explorations on Mako Island will uncover their secrets but Cleo and Bella discount her concern. She almost goes too far trying to stop Ryan from discovering the crystals in the Moon Pool.
Director: N/A
Writer: N/A
7.5/10204 votesLoading...#20 - 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
7.5/10201 votesLoading...#21 - 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
7.5/10162 votesLoading...#22 - Stormy Weather
Season 2 Episode 1 - Aired 9/28/2007
With Cleo's parents now divorced, Cleo is ordered by her dad to take more care of Kim, starting with taking her to a concert. But on the night, Cleo, Rikki and Emma all accidentally see the full moon, and take off to Mako Island, with Lewis in hot pursuit. Once there, the girls undergo another magical transformation in the Moon Pool, as a rare planetary alignment intensifies the power of the full moon – Emma's power is enhanced so that she can produce snow and frost, Rikki can conjure lightning, and Cleo can now control wind as well as water. After the moonstruck girls nearly harm Lewis, they realise that they must work to control their new powers, before anyone else gets hurt.
Director: Jeffrey Walker
Writer: N/A
7.5/10179 votesLoading...#23 - Control
Season 2 Episode 2 - Aired 10/5/2007
The girls have problems with their new powers and Cleo finds that Lewis isn't helping. A new girl called Charlotte arrives and develops a crush on a certain charecter
Director: Jeffrey Walker
Writer: N/A
7.5/10167 votesLoading...#24 - The One That Got Away
Season 2 Episode 3 - Aired 10/12/2007
Rikki tries to avoid Zane when he comes back, but needs his help after an incident with a speedboat. Meanwhile, Charlotte continues to flirt with Lewis and Cleo worries for their secret.
Director: Jeffrey Walker
Writer: N/A
7.5/10158 votesLoading...#25 - Pressure Cooker
Season 2 Episode 6 - Aired 11/2/2007
Cleo is worried when she sees her dad around with another woman. When she arrives at their house, she turns out to be Charlotte's mother! Meanwhile, Rikki and Emma attempt to save the Sertori's dinner with their powers.
Director: N/A
Writer: N/A
The Worst Episodes of H2O: Just Add Water
Every episode of H2O: Just Add Water ranked from worst to best. Explore the Worst Episodes of H2O: Just Add Water!
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
Worst Episodes Summary
"Sink or Swim" is the worst rated episode of "H2O: Just Add Water". It scored 7/10 based on 189 votes. Directed by Colin Budds and written by Max Dann, it aired on 9/15/2006. This episode scored 0.1 points lower than the second lowest rated, "Power Play".