Yeah on Sidereel. Its the best. Also it has the direct link to some of the best websites so all bạn do is click on the series, then wich episode, the choose an option.
bạn go in các diễn đàn then click on either page 4 hoặc 5 click on download h2o season 3 part 1 and on page 1 part 2 it's better than watching online and bạn can watch it as many times as u want.