Ash goes to Seafoam Island to help Professor Oak to discover the mystery of how Slowpoke evolves into Slowbro. There, Professor Westwood V is also trying to solve the mystery. Jessie captures Shellder, and tries to rush a Slowpoke's evolution, forcing Psyduck to stall the evolution.
Genres: Action & Adventure , Animation , Sci-Fi & Fantasy
Keywords: adventure , adventurer , anime , based-on-video-game , creature , fantasy-world , tournament , travel , watch-series-online , watch-anime-series-online , quest