Where To Stream H2O Just Add Water Season 1 Episode 21

Emma wants to try something new and dies her hair red while in her mermaid form. Zane is on a trail to his "monster" which leads him back to sea to check the ship wreckage. There he saws Emma from the back exiting the wreckage but nobody believes him. Rikki agrees to go out with Zane but only if he stops with his obsession of wanting to prove that mermaid he was is the real thing.