the finale
The last episode of H2O:Just add water is season 3 episode 26 and it is called graduation.
http://vids.tv/H2O-Just-Add-Water/tv/season-2/episode-12-Monster
free-tv-video-online.info search h2o just add water :)
yes they do :)
Metamorphis
2010
You can watch h20 just add water on Nickelodeon.
at http://www.yidio.com/show/h2o-just-add-water
at http://www.yidio.com/show/h2o-just-add-water
The awakening
offically 78 episodes
Season 2, episode 2: "Control"