Ash mom and friends are going to go to Seafoam Islands. Misty and Brock are going to go surfing. Ash goes to Oaks lab to discover that Oak is trying to find out why Slowpoke evolves into Slowbro.
Satoshi goes to Binnes to help Professor Orchid to discover the mystery of how Yadon evolves into Yadoran. There, Professor Nishinomori V is also trying to solve the mystery. Musashi captures Shellder, and tries to rush a Yadon's evolution, forcing Koduck to stall the evolution.—Lucas Quaresma, edited by Tobias Clark