H2O: Just Add Water - Season 1 Episode 23 In Too Deep
Rikki finds a locket that looks the same as Miss Chatham's in a Jewellery shop and she is determined to get it.
- Genre: Drama, Family, Sci-Fi & Fantasy
- Studio: Network Ten
- Keyword: mermaid, supernatural, teen drama
- Cast: Phoebe Tonkin, Cariba Heine, Indiana Evans, Luke Mitchell, Burgess Abernethy