While heading to Asatsuki Town for Hikari's next contest, Satoshi and his friends find a trampoline in the middle of a forest. Suddenly a Kabigon appears and bounces Pikachu and Pochama off it and sends them flying. Yūta appears and informs them that he is training for the upcoming Tsubaki Town Pokéthlon. Satoshi decides to enter the event but will he win?!