H2O: Just Add Water Red Herring (2006–2010) Online
- Original Title :
- Red Herring
- Genre :
- TV Episode / Adventure / Drama / Family / Fantasy
- Year :
- 2006–2010
- Directror :
- Jeffrey Walker
- Cast :
- Cariba Heine,Claire Holt,Phoebe Tonkin
- Writer :
- Chris Anastassiades,Jonathan M. Shiff
- Type :
- TV Episode
- Time :
- 25min
- Rating :
- 8.9/10
When Byron tells Emma she's dependable with the same look & vibe, she feels predictable and decides to change her look by dying her hair. Zane thinks Miss Chatham holds the key to identifying the "sea monster" he saw when he almost drowned.
| Episode cast overview: | |||
 | Cariba Heine | - | Rikki |
 | Claire Holt | - | Emma |
 | Phoebe Tonkin | - | Cleo |
 | Angus McLaren | - | Lewis |
 | Burgess Abernethy | - | Zane |
 | Christopher Poree | - | Byron |
 | Annabelle Stephenson | - | Miriam |
 | Jamie Timony | - | Nate |
 | Ariu Lang Sio | - | Wilfred |
| Teri Haddy | - | Young Miss Chatham |
| Christine Amor | - | Miss Chatham |
Emma dyes her hair red, but it's only red when she's in mermaid form. This is a tribute to Ariel from The Little Mermaid.
Zane sees Emma (with red hair) in mermaid form but does not see her face.