H2O: Just Add Water

Graduation (Season 3, Episode 26)

TV-G

TV Episode | 25 min | Adventure, Comedy, Drama

While the world celebrates the spectacle of the rare comet, Cleo, Rikki and Bella know it's destined to strike earth and set out to stop it.

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Cast	+ Add Cast
17 cast members

Name	Known for
Cariba Heine Rikki Chadwick Rikki Chadwick See fewer	Designated Survivor (2016)
Phoebe Tonkin Cleo Sertori Cleo Sertori See fewer	Boy Swallows Universe (2024)
Indiana Evans Bella Bella See fewer	H2O: Just Add Water (2006)
Luke Mitchell Will Benjamin Will Benjamin See fewer	Blindspot (2015)
Burgess Abernethy Zane Zane See fewer	Quietus (II) (2012)
Jamie Timony Nate Nate See fewer	Sleeping Beauty (2011)
Cleo Massey Kim Sertori Kim Sertori See fewer	H2O: Just Add Water (2006)
Taryn Marler Sophie Sophie See fewer	The Hamster Snatcher (2017)
Penni Gray Sam Sam See fewer	H2O: Just Add Water (2006)
Andrew Lees Ryan Ryan See fewer	Mortal Engines (2018)
Mouche Phillips Ms Taylor Ms Taylor See fewer	Playing Beatie Bow (1986)
Ben Timony Jason Jason See fewer	Upgrade (2018)
Jarreau La Castra Lead Guitarist Lead Guitarist See fewer	H2O: Just Add Water (2006)
Hamish Orr Bass Player Bass Player See fewer	H2O: Just Add Water (2006)
Alan David Lee Don Sertori Don Sertori See fewer	The Beast (1996)
Angus McLaren Lewis McCartney Lewis McCartney See fewer	H2O: Just Add Water (2006)
Lucy Fry Lucy Fry (uncredited) Lucy Fry (uncredited) See fewer	Bright (I) (2017)