This article is about the first season of the H2O: Mermaid Adventures series. To view the first season of H2O: Just Add Water click here and to view the first season Mako: Island of Secrets click here.
- Previous season: Season 1
Season 2 of H2O: Mermaid Adventures is currently in production and will consist of twenty-six more episodes.
- The three mermaids have their unique abilities enhanced to higher levels and are given even stronger powers over the elements and various aspects of the weather.