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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!

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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

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Episode Rankings

  1. #1 Worst Episode
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    H2O: Just Add Water Season 1 Episode 11 - Sink or Swim
    7.1/10(212 votes)

    #1 - Sink or Swim

    S1:E11

    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

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  2. H2O: Just Add Water Season 3 Episode 15 - Power Play
    7.1/10(145 votes)

    #2 - Power Play

    S3:E15

    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:Unknown
    Writer:Unknown

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  3. H2O: Just Add Water Season 1 Episode 3 - Catch of the Day
    7.2/10(277 votes)

    #3 - Catch of the Day

    S1:E3

    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

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  4. H2O: Just Add Water Season 1 Episode 14 - Surprise!
    7.2/10(207 votes)

    #4 - Surprise!

    S1:E14

    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

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  5. H2O: Just Add Water Season 1 Episode 19 - Hurricane Angela
    7.2/10(201 votes)

    #5 - Hurricane Angela

    S1:E19

    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:Unknown

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  6. H2O: Just Add Water Season 1 Episode 4 - Party Girls
    7.3/10(266 votes)

    #6 - Party Girls

    S1:E4

    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

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  7. H2O: Just Add Water Season 1 Episode 8 - The Denman Affair
    7.3/10(227 votes)

    #7 - The Denman Affair

    S1:E8

    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

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  8. H2O: Just Add Water Season 1 Episode 9 - Dangerous Waters
    7.3/10(229 votes)

    #8 - Dangerous Waters

    S1:E9

    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

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  9. H2O: Just Add Water Season 2 Episode 14 - Get Off My Tail
    7.3/10(172 votes)

    #9 - Get Off My Tail

    S2:E14

    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:Unknown
    Writer:Unknown

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  10. H2O: Just Add Water Season 2 Episode 22 - Bubble Bubble, Toil and Trouble
    7.3/10(168 votes)

    #10 - Bubble Bubble, Toil and Trouble

    S2:E22

    The girls decide that they should accept Charlotte, and the four work together when they need to join the volleyball team to avoid failing Physical Education.

    Director:Unknown
    Writer:Unknown

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  11. H2O: Just Add Water Season 3 Episode 2 - Jungle Hunt
    7.3/10(164 votes)

    #11 - Jungle Hunt

    S3:E2

    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:Unknown

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  12. H2O: Just Add Water Season 3 Episode 3 - Keep Your Enemies Close
    7.3/10(163 votes)

    #12 - Keep Your Enemies Close

    S3:E3

    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:Unknown

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  13. H2O: Just Add Water Season 3 Episode 7 - Happy Families
    7.3/10(147 votes)

    #13 - Happy Families

    S3:E7

    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:Unknown

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  14. H2O: Just Add Water Season 3 Episode 17 - A Magnetic Attraction
    7.3/10(146 votes)

    #14 - A Magnetic Attraction

    S3:E17

    Cleo's introduced to Ryan, a young geophysicist who's working for Samantha. Rikki doesn't react well to Cleo consulting Ryan about the Mako rock and a fracture begins to appear in the trio.

    Director:Unknown
    Writer:Unknown

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  15. H2O: Just Add Water Season 3 Episode 18 - Into The Light
    7.3/10(147 votes)

    #15 - Into The Light

    S3:E18

    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:Unknown
    Writer:Unknown

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  16. H2O: Just Add Water Season 3 Episode 24 - Too Close For Comfort
    7.3/10(145 votes)

    #16 - Too Close For Comfort

    S3:E24

    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:Unknown
    Writer:Unknown

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  17. H2O: Just Add Water Season 1 Episode 2 - Pool Party
    7.4/10(310 votes)

    #17 - Pool Party

    S1:E2

    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

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  18. H2O: Just Add Water Season 1 Episode 5 - Something Fishy
    7.4/10(259 votes)

    #18 - Something Fishy

    S1:E5

    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

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  19. H2O: Just Add Water Season 1 Episode 6 - Young Love
    7.4/10(241 votes)

    #19 - Young Love

    S1:E6

    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

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  20. H2O: Just Add Water Season 2 Episode 1 - Stormy Weather
    7.4/10(182 votes)

    #20 - Stormy Weather

    S2:E1

    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:Unknown

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  21. H2O: Just Add Water Season 2 Episode 2 - Control
    7.4/10(199 votes)

    #21 - Control

    S2:E2

    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:Unknown

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  22. H2O: Just Add Water Season 2 Episode 6 - Pressure Cooker
    7.4/10(177 votes)

    #22 - Pressure Cooker

    S2:E6

    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:Unknown
    Writer:Unknown

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  23. H2O: Just Add Water Season 2 Episode 7 - In Hot Water
    7.4/10(175 votes)

    #23 - In Hot Water

    S2:E7

    Everyone is shocked when Cleo is fired at the Ice Cream Stand, and even more so when Lewis takes her place! Rikki and Emma strike back at him but end up going too far

    Director:Unknown
    Writer:Unknown

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  24. H2O: Just Add Water Season 2 Episode 9 - Riding for a Fall
    7.4/10(173 votes)

    #24 - Riding for a Fall

    S2:E9

    Emma has to take Eliot for horse riding lessons and the competitive perfectionist tries to be better than the instructor. Meanwhile, Lewis double dates with Charlotte and Cleo.

    Director:Unknown
    Writer:Unknown

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  25. H2O: Just Add Water Season 3 Episode 4 - Valentines Day
    7.4/10(161 votes)

    #25 - Valentines Day

    S3:E4

    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:Unknown

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Worst Episodes Summary

"Sink or Swim" is the worst rated episode of "H2O: Just Add Water". It scored 7.1/10 based on 212 votes. Directed by Colin Budds and written by Max Dann, it aired on 9/15/2006. This episode scored 0.0 points lower than the second lowest rated, "Power Play".