H2O: Just Add Water (2006–2010)

Pressure Cooker 

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.


Jeffrey Walker


Simon Butters, Jonathan M. Shiff (creator)


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Episode cast overview:
Brittany Byrnes ... Charlotte
Cariba Heine ... Rikki
Claire Holt ... Emma
Phoebe Tonkin ... Cleo
Angus McLaren ... Lewis
Tiffany Lamb ... Annette
Cleo Massey ... Kim
Ariu Lang Sio Ariu Lang Sio ... Wilfred
Alan David Lee ... Don Sertori


Cleo catches her father with a woman and makes the mistaken assumption that she is his girlfriend. Things get worse when she discovers that the woman is Charlotte's mother. The girls sabotage dinner when her father invites her and Charlotte over for dinner. Cleo's jealously grows as she watches Charlotte and Lewis together. Written by Anonymous

Plot Summary | Add Synopsis

Plot Keywords:

teenager | mermaid | See All (2) »


Drama | Family | Fantasy



Did You Know?


This episode was delayed in the UK for around two years. The reason why is unknown and it was known as "The lost episode" for a time. See more »


Cleo: I'm not going back down there.
Emma: You don't have to. We'll just say you're not feeling well, and wait for them to leave.
[Cleo nods glumly]
Rikki: Are you kidding? You're just gonna lie down and take it? And let that woman steal your Dad, and let her daughter hit on Lewis without putting up a fight?
Cleo: What can I do?
Rikki: You're a mermaid! You've got some serious kick-butt superpowers. They don't know who they're dealing with. Come on! Am I right?
Cleo: Yeah! You're right! Let's go!
See more »


No Ordinary Girl
(main title theme)
Performed by Kate Alexa
Written by Shelley Rosenberg
(Season 2)
See more »

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Release Date:

2 November 2007 (Australia) See more »

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