Currently available on 1 streaming service.

Streaming, rent, or buy H20: Mermaid Adventures – Season 1:

Currently you are able to watch "H2O: Mermaid Adventures - Season 1" streaming on Netflix.

Cast

Katharina von Keller
Emma (voice)
Patrick Bach
Lewis (voice)
Sonja Stein
Cleo (voice)
Robert Missler
Bernie (voice)
Céline Fontanges
Rikki (voice)