Pokémon Season 9 Episode 38

On the way to Fennel Valley and the Battle Pyramid, Ash and friends stop for lunch. After they are done eating, Aipom tries to show Ash the flowers it gathered, but when Pikachu jumps on Ash’s shoulder, Aipom gets jealous, grabs Ash’s hat, and runs off. Ash, Pikachu, and Brock run off after it and wind up in a village where people are stretching.