DP167: Teaching the Student Teacher!

Episode Plot
With Ash's battle at Sunyshore Gym postponed, the gang are now headed to Valor Lakefront so Dawn can participate in the Grand Festival. However, this too is interrupted when the gang meet Johanna, who asks Dawn and the others if they can help out at a coastal Pokémon school as she is filling in for Nurse Joy as a judge at the upcoming Neighborly Town Contest. Dawn decides to take the opportunity to try some new contest combinations to help her in the Grand Festival. And Jessie wins her fourth ribbon in a contest.