Currently available on 2 streaming services.

Streaming, rent, or buy H2O: Just Add Water – Season 3:

Currently you are able to watch "H2O: Just Add Water - Season 3" streaming on Netflix, Netflix basic with Ads.

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Cast

Phoebe Tonkin
Cleo Sertori
Cariba Heine
Rikki Chadwick
Indiana Evans
Isabel "Bella" Hartley
Luke Mitchell
Will Benjamin
Burgess Abernethy
Zane Bennett