As of July 2026, H2O: Just Add Water Season 2 aired in 2007 with 26 episodes — streaming now on Netflix. Full episode guide and where to watch below.
H2O: Just Add Water Season 2 poster
← Back to H2O: Just Add Water

H2O: Just Add Water Season 2

2007 26 Episodes Drama · Family ⭐ 8/10

If you want science fiction that respects its own premise, H2O: Just Add Water Season 2 is available on and right now. A compact run that never overstays its welcome. With 708 viewer ratings on TMDB, this is not a title flying under the radar. Phoebe Tonkin anchors it with a performance that grounds the bigger ideas in something human. There is no real reason to keep putting it off.

There is a reason H2O: Just Add Water Season 2 keeps coming up in conversation. H2O: Just Add Water Season 2 treats its concept seriously enough to follow it all the way through. Season 2 of H2O: Just Add Water includes 26 episodes. It aired from September 2007 to March 2008. This season stars Phoebe Tonkin, Claire Holt and Cariba Heine. Phoebe Tonkin and Claire Holt lead a cast that brings real weight to the material. It was aired in 2007. What separates H2O: Just Add Water Season 2 from lesser genre entertainment is a willingness to let the concept cost the characters something. The consistency throughout is what elevates it — not every moment is the best, but none of them are a reason to stop watching.

For late-night viewing or a proper weekend binge, H2O: Just Add Water Season 2 fits the bill. It rewards viewers regardless of what else is in their watch history. The complete run is available and best experienced without too much prior knowledge of where it goes. Phoebe Tonkin grounds the bigger ideas in something human. Once you are in, you will want to talk about it.

📡 Where to Watch H2O: Just Add Water Season 2

🇦🇺 Australia
🇺🇸 United States
🇬🇧 United Kingdom
🇨🇦 Canada
🇳🇿 New Zealand
TV Butler Pro app
🎩 TV Butler Pro
You find it. Your history remembers it.

🎬 H2O: Just Add Water Season 2 — Episode Guide

E1
Stormy Weather
2007-09-28
The girls catch a glimpse of the full moon and Lewis tries to keep them grounded. Drawn back to Mako Island during a rare planetary alignment, they experience unpredictable shifts in their abilities. Cleo navigates some difficult new family dynamics at home.
E2
Control
2007-10-05
The girls have problems with their new powers and Cleo finds that Lewis isn't helping. A new girl called Charlotte arrives and hits it off with a certain someone.
E3
The One That Got Away
2007-10-12
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.
E4
Fire and Ice
2007-10-19
Trouble arises when Emma throws a party to prove she is as fun as Rikki. Meanwhile, Lewis is trying to prove his manhood and Cleo is receiving cards from a secret admirer.
E5
Hocus Pocus
2007-10-26
Trouble is in the air as the Setori's start to suffer and the JuiceNet is endangered by a new bar. But when Lewis finds a book of mermaid spells, the girls attempt to use a potion to fix everything. However, things aren't so easy when you have special powers.
E6
Pressure Cooker
2007-11-02
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.
E7
In Hot Water
2007-11-09
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
E8
Wrong Side of the Tracks
2007-11-16
Zane is curious by Rikki's reluctancy to reveal where she lives. So one day, he eventually convinces her to reveal her home: a trailer park with her grouchy father.
E9
Riding for a Fall
2007-11-23
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.
E10
Missed the Boat
2007-11-30
Cleo starts to struggle at school and gets help from the new tutor. But there are bigger problems when Charlotte starts to get closer to Mako Island with the help of Lewis.
E11
In Over Our Heads
2007-12-07
In need of cash, Rikki decides to go and searching for a lost statue with a huge reward. But she lies to Emma and Cleo, which causes danger when Rikki is knocked out!
E12
Fish Fever
2007-12-14
Emma gets poisioned after cutting her finger on some coral and she begins to turn into a white scaled monster! Meanwhile Charlotte thinks Cleo is trying to break her and Lewis apart.
E13
Moonwalker
2007-12-21
On the night of a full moon, Lewis, Emma, Rikki and Charlotte accompany Cleo's family for a camping trip at Mako. When all three girls are affected by the moon, they are unable to stop the curious Charlotte...
E14
Get Off My Tail
2007-12-28
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.
E15
Irresistable
2008-01-04
Zane learns of the myth of Ambergris, a fragrance that can make mermaids fall for any man that wears it. When he buys it, Nate ends up wearing it and Emma, Cleo and Rikki all fall for him!
E16
Double Trouble
2008-01-11
Lewis is puzzled when he dreams about Cleo being photographed by people. Later, he and Cleo take Eliot and Kim to the marine park. Meanwhile, Emma thinks something is up between Ash and Rikki.
E17
Moonstruck
2008-01-18
It's full moon and the girls insist that they don't need Lewis to assit his help as all three girls are staying at Emma's and Ash is coming over. When Cleo and Rikki fall under the moon spell, can Lewis stop them from revealing their secret to Ash?
E18
The Heat Is On
2008-01-25
For the first anniversary of the girls being mermaids, Cleo decides to throw a party. However, Emma and Rikki fall out following a fight between Ash and Zane and Cleo may have to celebrate alone.
E19
The Gracie Code (1)
2008-02-01
Lewis is trying to find more information on the moon pool and stumbles across research on it by Max Hamilton from fifty years ago. Will Lewis reveal the girls secret to him in order to complete the puzzle?
E20
The Gracie Code (2)
2008-02-08
Charlotte demands answers to why Lewis is hanging out with the girls so much. She starts to believe an excuse from Cleo, but then a discovery from inside Max's research brings her to the secret! Meanwhile, Ash decides to help Emma with her "fear of water"

🎭 Cast of H2O: Just Add Water Season 2

Phoebe Tonkin
Phoebe Tonkin
Cleo Sertori
Claire Holt
Claire Holt
Emma Gilbert
Cariba Heine
Cariba Heine
Rikki Chadwick
Angus McLaren
Angus McLaren
Lewis McCartney

📋 All Seasons of H2O: Just Add Water

Season 1Season 3

Never Lose Track of H2O: Just Add Water

TV Butler Pro lets you search every streaming service in seconds, tracks what you've watched, and works completely free. No app download needed.

🎩 Try TV Butler Pro Free