Ash is visiting Vermillion City, and he can't wait to discover more about Pokemon in the lab there. Professor Cerise has so much to teach him! But there's another new student at the lab. His name is Goh, and he's the complete opposite of Ash. Every Ash goes, Goh is there ... and Professor Cerise wants them to team up and work together. There's plenty of adventure to go around ... but will Ash and Goh become best buddies or bitter rivals? One thing's for sure: they're bound to meet some amazing Pokemon!