On their way to Veilstone, Pachirisu gets stuck in a Hippowdon. While trying to get it out, Ash & Co. discover that not one, but two Team Rocket groups are trying to capture the Hippowdon and the Hippopotas. With the help of his old Hippopotas friend, Ash must stop them. Will Team Rocket be stopped and will Pachirisu be rescued?

In an idea to boost both of their confidence, Dawn & Maylene are to have an informal battle. It's a tense time as both have to regain their faith in themselves. With Dawn using Buneary, Piplup & Ambipom and Maylene using her gym trained team including Lucario, a fierce battle is to ensue. Who will win?