On their way to the next city, Ash & Co. come across a Mysterious Unofficial Gym run, unknown to them, by Team Rocket. While there, Brock makes friends with a Croagunk that has been following and helping Team Rocket out. What are Team Rocket's Plans & will Ash & Co. stop them?

Ash and friends finally arrive in Jubilife City, and Dawn is ready for the upcoming Pokemon Contest. However, she wants to go get a Poketch for the contest, but they are all gone! At a street corner, Team Rocket disguised as clowns are giving free ones out, and Dawn, Ash, and Brock take one. At a park, a boy comes up to them and reveals that they are fake. It turns out that the fake ones are a scheme to hypnotize the Pokemon of the trainers who took one and capture. However, Ash, Dawn, and Brock soon catch onto this and plan to stop Team Rocket.