through http://www.yidio.com/show/h2o-just-add-water i think
H2O: Just Add Water can legally be watched via Hulu and DailyMotion.
www.youku.com www.megavideo.com www.sidereel.com itunes
You can find it on youtube. They have each episode in different parts and they are free to watch.
Nope, there is no 4th season of H2O: Just Add Water.
There are loads of sites just try Googling 'watch h20 just add water online' and take your pick
Hulu.com
you can watch i think most of them online athttp://www.yidio.com/show/h2o-just-add-water
watch online through http://www.yidio.com/show/h2o-just-add-water
You can watch it on Hulu.com/h20-just-add-water
through http://www.yidio.com/show/h2o-just-add-water i think
http://vbox7.com/search/?offline=1&vbox_q=h2o+just+add+water&page=4
If you are in England you can watch h20 just add water on nickelodeon or you can watch it in youtube just tipe down h20 just add water season 3
i watch it on netflix but youtube.com will work also.
H2O: Just Add Water can legally be watched via Hulu and DailyMotion.
Search: H2O_ Just Add Water 1x14 Suprise - Veoh - Video Search
free-tv-video-online.info search h2o just add water :)