On nick .com or on other websites on the web
You can watch it on Hulu.com/h20-just-add-water
If you go there you can get the episodes of H20 season 3 ,so ENJOY !!:)
Its made for teens but children can watch it.
You can watch it on Hulu or Netflix, or you can probably buy the series on ebay.
There isn't a season 4 of H20 yet, but rumours of a fourth season have been neither confirmed nor denied.
www.youku.com www.megavideo.com www.sidereel.com itunes
Netflix, Hulu, Or you can buy all the series on Ebay.
You can watch it on Hulu on the computer.
You can watch it on Hulu.
There are loads of sites just try Googling 'watch h20 just add water online' and take your pick
you can watch it on nickelodeon
You can watch it on Hulu.com/h20-just-add-water
If you go there you can get the episodes of H20 season 3 ,so ENJOY !!:)
Trililu, i think it is called. The episodes themselves are in english, but the site is in spanish or something. So enjoy! They have episode 1-15.
You can find it on youtube. They have each episode in different parts and they are free to watch.
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
It came out last April in 2010. In the U.S. they took it off of Nick or they just play in at night/late morning. They're are a total of 26 episodes. I had to watch it on youtube because I couldn't find it on Nick. The whole season is on there so you can watch it on there. :)