H2O

TV Show

Full Episodes(77)

Latest Episode: Graduation

Jun 13, 2012 Season 3 Episode 26 watch on

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.

Unfathomable

Jan 16, 2012 Season 2 Episode 26

The full moon rises, and with the planets lining up, it can remove mermaid powers for good. Knowing this, Lewis lures Charlotte to the moon pool but it backfires and Emma, Cleo and Rikki could lose their powers.
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Sea Change

Jan 16, 2012 Season 2 Episode 25

Cleo is bullied by Charlotte and runs away to the ocean. With Cleo missing, everyone becomes more and more worried. Lewis discovers what Charlotte has been up to and breaks up with her. He finds Cleo and they kiss.
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Three's Company

Jan 16, 2012 Season 2 Episode 24

Charlotte takes over and organises a surprise party for Lewis, annoying Rikki. At the party, Charlotte is jealous of Cleo and traps her and Emma in a pool room. Rikki comes back just in time. From now on, Charlotte is on her own.
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Reckless

Jan 16, 2012 Season 2 Episode 23

As the girls continue to have problems accommodating Charlotte as a mermaid, Nate bullies Lewis. Despite the girls’ attempts to keep Charlotte under control, she uses her powers on Nate and almost exposes them all.
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Bubble Bubble Toil and Trouble

Jan 16, 2012 Season 2 Episode 22

The girls have to deal with a fourth mermaid who turns out to be a loose cannon; Charlotte almost turns into a mermaid at a volleyball competition. Charlotte discovers she has all three mermaid superpowers. Ominous signs.
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And Then There Were Four

Jan 16, 2012 Season 2 Episode 21

Charlotte follows Lewis to Max Hamilton. Max tells all to Charlotte when he discovers she’s the granddaughter of his one true love. Charlotte and Lewis almost break up until she goes to the moonpool, becoming a mermaid herself!
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The Gracie Code, Part 2

Jan 16, 2012 Season 2 Episode 20

Ash comes close to finding out about Emma. Meanwhile, the girls discover that Charlotte’s grandmother was Gracie. Old wounds open up for Charlotte and she finds part of Max’s research: an old movie of Gracie – as a mermaid!
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The Heat is On

Jan 16, 2012 Season 2 Episode 18

When Zane and Ash clash at the juice bar, Rikki and Emma take their boyfriend’s sides. Cleo is left alone celebrating their one year anniversary of becoming a mermaid – until Lewis arrives just in time to help.
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Moonstruck

Jan 16, 2012 Season 2 Episode 17

Cleo and Rikki push Ash into asking Emma out again – little did they know he’d turn up at Emma’s place in time for a full moon! Rikki and Cleo are both moonstruck and Ash looks set to discover Emma’s secret.
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Double Trouble

Jan 16, 2012 Season 2 Episode 16

Lewis has a bad dream about mermaids being discovered. It threatens to come true when Elliot asks Kim out on a date to the marine park and Cleo finds herself in trouble underwater in front of a crowd of people.
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Irresistible

Jan 16, 2012 Season 2 Episode 15

Lewis and Zane find an old myth about mermaids is true – the scent of ambergris sends them wild. But it backfires when sleazy Nate gets hold of the scent and has all three mermaid girls on his arm!
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Get Off My Tail

Mar 21, 2009 Season 2 Episode 14

Emma thinks she’s going to get a promotion at the juice bar but Ash is given the job. Emma and Ash clash over the job, but we discover it’s over a lot more. Meanwhile, Lewis stands up to Charlotte over spending time with Cleo.
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Moonwalker

Mar 07, 2009 Season 2 Episode 13

Don takes the family camping on Mako Island during a Full Moon. The girls are affected and need the moon pool for sanctuary. Charlotte almost slips in the moon pool and realizes something weird is going on there.
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Fish Fever

Feb 28, 2009 Season 2 Episode 12

Emma starts acting weird after pricking her finger on a barb of coral. Cleo's fish Hector exhibits the same behavior. Emma becomes more and more like a fish and Lewis has to find a way to cure her.
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In Over Our Heads

Jan 17, 2009 Season 2 Episode 11

Zane hears of a treasure under the ocean and enlists the girls to find it. Rikki is injured in the search. Zane gives Rikki’s dad the $10000 reward. Charlotte contrives to keep Lewis from the girls.
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Missed the Boat

Nov 16, 2008 Season 2 Episode 10

Cleo is failing at school and is assigned a tutor - Charlotte. Cleo wants Lewis back but her attitude to Charlotte only drives him further away. Cleo discovers Lewis and Charlotte kissing.
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Riding for a Fall

Nov 02, 2008 Season 2 Episode 9

Emma meets Ash - a handsome horse riding instructor. A horse falls ill and Emma must use her powers to fix it. Lewis accidentally invites both Charlotte and Cleo to an awards dinner.
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Wrong Side of the Tracks

Oct 25, 2008 Season 2 Episode 8

Zane has an argument with a man in a trailer park but little does he know it’s Rikki’s dad. Rikki has to overcome her shame about her background and introduce her dad to Zane.
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In Hot Water

Oct 11, 2008 Season 2 Episode 7

A mermaid prank gone wrong leads to a dolphin going missing at the Marine Park and Lewis has to take the fall to protect the girls. In the end the girls figure out a way to clear him without risking exposure.
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Pressure Cooker

Aug 03, 2008 Season 2 Episode 6

Don appears to have a girlfriend - Cleo is shocked to find it is Charlotte’s mother. Lewis becomes aware of Charlotte’s feelings for him.
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Hocus Pocus

Jul 11, 2008 Season 2 Episode 5

Cleo notes that Don seems to be down since her mother left. Later, Lewis finds an old book on mermaids and tests out a potion recipe on the girls, supposed to grant wishes. Cleo instantly thinks it could help get Don and her Mum back together.  They make the potion and it doesn’t seem to work. Annoyed, Rikki gives it a zap with her heat powers – and the potion goes berserk in the café overnight, turning it into an algae covered mess! With Wilfred and Charlotte trying to get inside the café, the guys have to keep them out until they can restore everything back to normal. Cleo’s mother doesn’t return and she comes to realize this is the way life is going to be.
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Fire and Ice

Jul 10, 2008 Season 2 Episode 4

Rikki comes to stay at Emma’s house and stirs up the family unit by messing up the order of things. In trying to compete with Rikki, Emma tries to rebel and throws a party. Meanwhile Lewis wants to know why Cleo broke up with him; concerned that he’s not masculine enough for her. Nate uses this to put pressure on Lewis, teaching him karate – but at the same time, Nate makes a play for Cleo. The party gets out of hand: one of Emma’s mother’s figurines is smashed, Lewis confronts Nate and Emma is drenched in front of everyone. In the end, Emma proves she is a rebel – well, almost.
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The One That Got Away

Jul 09, 2008 Season 2 Episode 3

Zane’s back in town and still in love with Rikki. Although he believes she’s not a mermaid anymore, things are still tense between them. Rikki assures Emma she can handle Zane; they broke up and that’s all there is to it. As Zane continues to try to win Rikki’s affections, he realizes she’s still a mermaid and saves her from the threat of discovery. Meanwhile, Lewis conceals his hurt about breaking up with Cleo. Charlotte takes the opportunity to spend more time with him, drawing Cleo’s ire. Suspicious of Charlotte, Cleo tries to find out more about her but only manages to embarrass herself.
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Control

Jul 08, 2008 Season 2 Episode 2

Cleo uses her mermaid powers to avoid a sprinkler and inadvertently splashes Charlotte, the new girl at school. Lewis and Charlotte meet and it’s clear she likes him straight away. With the girls’ mermaid powers turned up to max, Lewis tries his best to help but his attempts only cause Cleo to feel crowded by him. Frustrated, Cleo finally has enough of Lewis’ smothering and reluctantly dumps him. Lewis is devastated but he meets Charlotte once again and they bond.  Meanwhile, Emma uses her new powers to help Elliott win at soccer.
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Stormy Weather

Jul 07, 2008 Season 2 Episode 1

Emma, Rikki and Cleo are teenage girls with a secret – they’re still mermaids. They’re handling life pretty well but the threat of the full moon, and the strange effects it has on mermaids, looms. This time Lewis is certain he can help but things go awry and the girls are moonstruck. Under the influence of a full moon the girls’ powers are hugely enhanced and they wreak havoc on Lewis in his boat. The next day the girls have no memory of the night before as they each discover their powers are out of control. Lewis is missing and the girls are worried. They find him on Mako Island, fearful of them. They all realize things have drastically changed.
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