The last episode of H2O:Just add water is season 3 episode 26 and it is called graduation.
at http://www.yidio.com/show/h2o-just-add-water
offically 78 episodes
Through http://www.yidio.com/show/h2o-just-add-water i think. At http://www.tudou.com/programs/view/BnML00JDPB8/
All of the episodes are on free-tv-video-online.info search for h2o just add water :)
Around 2.4Mil Views Per Average Episode
2010
the finale
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
at http://www.yidio.com/show/h2o-just-add-water
You can watch h20 just add water on Nickelodeon.
at http://www.yidio.com/show/h2o-just-add-water
The awakening
offically 78 episodes
Season 2, episode 2: "Control"