On the way to the next contest, Ash and friends meet a trainer who is training for a competition known as the Pokéathlon. Interested in what it is, they decide to go check it out. Ash then decide to enter the competition.

Dawn and Ursula have made it past the first round and must now face each other in battle. Although Mamoswine and Cyndaquil are doing great, Ursula has a secret plan for Plusle and Minun. Will Dawn be able to defeat Ursula and win her fifth and final ribbon?