You are going to Watch Nadia: The Secret of Blue Water Episode 28 English dubbed online free episodes with HQ / high quality. Stream Anime Nadia: The Secret of Blue Water Episode 28 Online English dub The Floating Island. A giant appears out of nowhere and terrorizes the companions… which turns out to be the Gratan disguised in cloth, and sure enough, Grandis, Sanson, and Hanson are there. The children decide to stay with their friends and are soon living together like a family. Nadia even tries to cook for Jean (perhaps to make amends for all the trouble she caused him).