Where to watch H2O: Just Add Water Season 1
H2O: Just Add Water season 1 is streaming in Australia on Netflix (subscription). Season 1 was released on 7 July 2006.
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Availability checked 5 November 2026. Streaming availability data from JustWatch.
H2O: Just Add Water Season 1 episodes
S01 E01
Metamorphosis
24 mins · Fri, 7 Jul 2006
Three teenage girls discover a secret pool when they are stranded on Mako Island.
S01 E02
Pool Party
24 mins · Fri, 14 Jul 2006
Cleo, Emma and Rikki fear that their secret will get out when they attend a pool party.
S01 E03
Catch of the Day
24 mins · Fri, 21 Jul 2006
Cleo must overcome her fear of water in order to enjoy being a mermaid.
S01 E04
Party Girls
24 mins · Fri, 28 Jul 2006
Lewis tests the girls' powers; Cleo's younger sister becomes suspicious when she reads Cleo's diary.
S01 E05
Something Fishy
24 mins · Fri, 4 Aug 2006
Cleo gets a job feeding the dolphins at a marine park; Emma has a sleepover party.
S01 E06
Young Love
24 mins · Fri, 11 Aug 2006
Elliot falls in love with Rikki after she saves him from drowning at the beach.
S01 E07
Moon Spell
24 mins · Fri, 18 Aug 2006
The girls ignore Miss Chatham's advice to beware of trouble when there is a full moon.
S01 E08
The Denman Affair
24 mins · Fri, 25 Aug 2006
On the verge of discovering how the girls transform, Lewis considers revealing their secret to a beautiful marine biologist.
S01 E09
Dangerous Waters
24 mins · Fri, 1 Sep 2006
While trying to buy a fish for Cleo, Rikki finds herself involved in a fish-smuggling operation.
S01 E10
The Camera Never Lies
24 mins · Fri, 8 Sep 2006
Zane and Emma each try to make their own short film to enter into a contest at the juice bar.
S01 E11
Sink or Swim
24 mins · Fri, 15 Sep 2006
Byron persuades Emma to train him for a swimming competition; Rikki plays pranks on Lewis to try and unsettle him.
S01 E12
The Siren Effect
24 mins · Fri, 22 Sep 2006
The full moon turns Cleo into a magical siren who attracts boys with her angelic voice.
S01 E13
Shipwrecked
24 mins · Thu, 28 Sep 2006
Emma witnesses Miss Chatham arguing with Zane because she accidentally hit his jet-ski with her boat.
S01 E14
Surprise!
24 mins · Fri, 6 Oct 2006
Zane believes that a mysterious creature is living under the sea and decides to mount an expedition to catch the monster.
S01 E15
The Big Chill
24 mins · Fri, 13 Oct 2006
Wilfred leaves Emma in charge of the juice bar for a weekend while he goes away to a conference.
S01 E16
Lovesick
25 mins · Fri, 20 Oct 2006
A misunderstanding leads everyone to believe that Cleo and Zane are dating and planning on running away together.
S01 E17
Under the Weather
24 mins · Fri, 27 Oct 2006
When a rainy day traps the girls at Emma's house, they all pretend to be sick so that they do not have to go to school.
S01 E18
Bad Moon Rising
24 mins · Fri, 3 Nov 2006
Rikki escapes to Mako Island after accidentally burning Emma during a full moon.
S01 E19
Hurricane Angela
24 mins · Fri, 10 Nov 2006
Cleo and Kim's relationship is strained when their manipulative cousin comes to visit.
S01 E20
Hook, Line and Sinker
24 mins · Fri, 17 Nov 2006
Cleo tries to help Lewis win a fishing competition; Rikki and Zane are trapped together on the balcony of a fancy hotel.
S01 E21
Red Herring
24 mins · Fri, 24 Nov 2006
Zane finds evidence linking Miss Chatham to a decades-old mermaid sea rescue; Zane pursues Rikki.
S01 E22
Fish Out of Water
24 mins · Fri, 1 Dec 2006
Emma and Cleo force Rikki to choose between her friends and Zane; Harrison plans to develop Mako Island into a tourist resort.
S01 E23
In Too Deep
24 mins · Fri, 8 Dec 2006
Rikki is furious when Miriam ruins her plan to buy an old locket from the local jewellery store.
S01 E24
Love Potion No. 9
24 mins · Fri, 15 Dec 2006
Cleo and Emma hope that Lewis and Byron will ask them to the school dance.
S01 E25
Dr. Danger
24 mins · Fri, 22 Dec 2006
Dr. Denman returns to do research on Mako Island; Emma tries to avoid going on a family beachside holiday.
S01 E26
A Twist in the Tail
24 mins · Fri, 29 Dec 2006
The girls use the lunar eclipse to avoid being exposed by Dr. Denman.