H2O: Just Add Water (2006)

Kernel Score: 86% · 694 ratings

Genres: Drama, Family, Sci-Fi & Fantasy

First aired: 2006-07-07

Seasons: 3 · 78 episodes

Where to watch H2O: Just Add Water

US availability, updated 2026-10-22.

Overview

H2O: Just Add Water revolves around three teenage girls facing everyday teen problems with an added twist: they cope with the burden of growing a giant fin and transforming into mermaids whenever they come in contact with water.

H2O: Just Add Water parents' guide: ages 6+

Parents need to know that H2O: Just Add Water is a TV-PG family fantasy series about teenage girls who transform into mermaids.

Fresh Kernels AI-assessed from the official TV-PG rating, publicly documented content. A guide for families, not an official rating.

Shows like H2O: Just Add Water

If you liked H2O: Just Add Water, these are the shows we'd watch next.

Cast

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

H2O: Just Add Water FAQ

Is H2O: Just Add Water good?

H2O: Just Add Water has an 86% Kernel Score on Fresh Kernels from 694 audience ratings.

Where can I watch H2O: Just Add Water?

In the US you can stream H2O: Just Add Water on Netflix and Prime Video, watch it free with ads on Hoopla, The Roku Channel, Fandango at Home, Pluto TV and Tubi and buy it from Prime Video, Apple TV, Google Play and Fandango At Home.

Is H2O: Just Add Water OK for kids?

H2O: Just Add Water is rated TV-PG. Fresh Kernels suggests ages 6+. Parents need to know that H2O: Just Add Water is a TV-PG family fantasy series about teenage girls who transform into mermaids.

What shows are like H2O: Just Add Water?

If you liked H2O: Just Add Water, try Siren, Nancy Drew, Secrets of Sulphur Springs and Mako: Island of Secrets.