H2O: Just Add Water backdrop
Drama•Family•Sci-Fi & Fantasy

The Best Episodes of H2O: Just Add Water Season 3

Every episode of H2O: Just Add Water Season 3 ranked from best to worst. Discover the Best Episodes of H2O: Just Add Water Season 3!

Binge this in 10h 0m•Peaking at 8.1/10

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

Airs on
10
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons3

All123

Episode Rankings

  1. #1 Fan Favorite
    H2O: Just Add Water Season 3 Episode 13 - To Have & To Hold Back
    8.1/10(176 votes)

    S3:E13

    Kim attempts to derail Don and Samantha's wedding. Lewis receives an opportunity to study in America. Cleo realises she's got to let Lewis live his own life and let him go overseas.

    Director:Jeffrey Walker
    Writer:Unknown

    Be the first to start the conversation for this episode

  2. H2O: Just Add Water Season 3 Episode 12 - Crime & Punishment
    8.0/10(179 votes)

    S3:E12

    Rikki receives counterfeit money at the cafe and is held captive by criminals on a boat. Bella and Cleo are forced to reveal the trio's secret to Will so they can rescue Rikki together.

    Director:Jeffrey Walker
    Writer:Unknown

    Be the first to start the conversation for this episode

  3. H2O: Just Add Water Season 3 Episode 26 - Graduation
    8.0/10(200 votes)

    S3:E26

    Sophie and Ryan damage the Moon Pool in their efforts to obtain the rare crystals. The girls improvise and use their own magic to prevent the impact of the comet and a planet wide catastrophe. Rikki, Cleo and Bella graduate with a surprise.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  4. H2O: Just Add Water Season 3 Episode 1 - The Awakening
    7.9/10(216 votes)

    S3:E1

    Cleo and Rikki enter their final year of high school. They make friends with a new girl, Bella, and a new boy, Will. However, they encounter a new force on Mako Island that has the power to turn water against the girls.

    Director:Jeffrey Walker
    Writer:Unknown

    Be the first to start the conversation for this episode

  5. H2O: Just Add Water Season 3 Episode 10 - Revealed
    7.8/10(169 votes)

    S3:E10

    After Bella gives Will a shell-like fossil she found while swimming, Will becomes suspicious as the fossil is of a rare kind. Rikki realises how close Will is to finding out their mermaid secret and warns Bella to stay away from Will.

    Director:Jeffrey Walker
    Writer:Unknown

    Be the first to start the conversation for this episode

  6. H2O: Just Add Water Season 3 Episode 25 - A Date With Destiny
    7.8/10(168 votes)

    S3:E25

    Cleo discovers a comet is causing fish to flee the waters around Mako Island. The girls find a way to restart the message in the Moon Pool and discover the comet will collide with earth. Sophie meets Ryan and with Zane's help they join forces to remove the crystals from the Moon Pool.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

    7. Trending NowTRENDING NOW

    The 20 BEST Episodes of H2O: Just Add Water

    READ
  7. H2O: Just Add Water Season 3 Episode 14 - Mermaid Magic
    7.7/10(165 votes)

    S3:E14

    Will pushes himself too far when Zane challenges him to prove his skills as a free- diver. The girls discover a unique crystal in the rock from the Moon Pool.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  8. H2O: Just Add Water Season 3 Episode 19 - Breakaway
    7.7/10(159 votes)

    S3:E19

    Will competes in the Free-Diving Championships but afterward chooses to break from the sport and shrug off Sophie's influence on his life. Rikki sees Sophie kissing Zane at the event and breaks off their relationship.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  9. H2O: Just Add Water Season 3 Episode 8 - Kidnapped
    7.6/10(164 votes)

    S3:E8

    During a full moon, the girls stay at Cleo's and Bella is attacked by the water creature. At the same time, Will decides to return to the moon pool after making the connection between his previous encounter with the moon pool waterfall and the timing of the full moon.

    Director:Jeffrey Walker
    Writer:Unknown

    Be the first to start the conversation for this episode

  10. H2O: Just Add Water Season 3 Episode 16 - The Dark Side
    7.6/10(157 votes)

    S3:E16

    Rikki's frustrated by the water attacks and goes to Mako Island on a full moon to confront the strange force in the Moon Pool. With Cleo and Bella delayed, Will pursues her and discovers she's been affected by the experience.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  11. H2O: Just Add Water Season 3 Episode 22 - Mako Masters
    7.6/10(157 votes)

    S3:E22

    The girls sit their final school exams and have to avoid a water attack in public when the full moon rises early. They confront the water force in the Moon Pool and are given a message about Mako Island.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  12. H2O: Just Add Water Season 3 Episode 23 - Beach Party
    7.6/10(162 votes)

    S3:E23

    Bella's eager to ask Will to the end of year party until she sees him asking Rikki. A big misunderstanding occurs which prompts Will to express his true feelings for Bella. Sophie tries to get Zane to change the name of the cafe.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  13. H2O: Just Add Water Season 3 Episode 6 - Secrets & Lies
    7.5/10(166 votes)

    S3:E6

    Bella tries to get close to Will but when Bella goes to his place she sees him with another girl. Meanwhile Lewis tries to test the water from the moon pool but gets caught by his teacher.

    Director:Jeffrey Walker
    Writer:Unknown

    Be the first to start the conversation for this episode

  14. H2O: Just Add Water Season 3 Episode 9 - The Sorcerer's Apprentice
    7.5/10(168 votes)

    S3:E9

    Cleo starts to experiment on the moon pool water without Lewis' knowledge, but things start going wrong when Cleo's fish Hector gets trapped in the bubble of floating water. Meanwhile, Lewis has to play golf with Cleo's father.

    Director:Jeffrey Walker
    Writer:Unknown

    Be the first to start the conversation for this episode

  15. H2O: Just Add Water Season 3 Episode 20 - Queen For A Day
    7.5/10(161 votes)

    S3:E20

    Zane installs Sophie as head of staff at the cafe. Bella develops a sneezing allergy that also accidentally triggers her powers. Sophie seizes on the problem and looks to fire Bella and the band.

    Director:Unknown
    Writer:Samantha Strauss

    Be the first to start the conversation for this episode

  16. H2O: Just Add Water Season 3 Episode 21 - The Jewel Thief
    7.5/10(158 votes)

    S3:E21

    The girls discover the Mako crystals contain immense energy and need to mount a rescue mission when Zane jealously steals one in an effort to gain Rikki‟s attention.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  17. H2O: Just Add Water Season 3 Episode 11 - Just A Girl At Heart
    7.4/10(168 votes)

    S3:E11

    Bella helps Will with his free-diving training but when she realises he's more interested in her as a mermaid than a girl, she's hurt. Rikki and Cleo have to improvise when the cafe's first corporate function is actually a children‟s party.

    Director:Jeffrey Walker
    Writer:Unknown

    Be the first to start the conversation for this episode

  18. H2O: Just Add Water Season 3 Episode 2 - Jungle Hunt
    7.3/10(180 votes)

    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

    Be the first to start the conversation for this episode

  19. H2O: Just Add Water Season 3 Episode 4 - Valentines Day
    7.3/10(181 votes)

    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

    Be the first to start the conversation for this episode

  20. H2O: Just Add Water Season 3 Episode 5 - Big Ideas
    7.3/10(167 votes)

    S3:E5

    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:Unknown

    Be the first to start the conversation for this episode

  21. H2O: Just Add Water Season 3 Episode 7 - Happy Families
    7.3/10(165 votes)

    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

    Be the first to start the conversation for this episode

  22. H2O: Just Add Water Season 3 Episode 17 - A Magnetic Attraction
    7.3/10(158 votes)

    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

    Be the first to start the conversation for this episode

  23. H2O: Just Add Water Season 3 Episode 3 - Keep Your Enemies Close
    7.2/10(180 votes)

    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

    Be the first to start the conversation for this episode

  24. H2O: Just Add Water Season 3 Episode 18 - Into The Light
    7.2/10(159 votes)

    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

    Be the first to start the conversation for this episode

  25. H2O: Just Add Water Season 3 Episode 24 - Too Close For Comfort
    7.2/10(158 votes)

    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

    Be the first to start the conversation for this episode

Season 3 Ratings Summary

"To Have & To Hold Back" is the best rated episode of "H2O: Just Add Water" season 3. It scored 8.1/10 based on 176 votes. Directed by Jeffrey Walker and written by Unknown, it aired on 1/21/2010. This episode is rated 0.1 points higher than the second-best, "Crime & Punishment".