All for the Love of Meloetta! - S15.E37

After learning the Unova League conference will not be held for three more months, Ash, Iris, and Clian meet up with Cynthia, the Sinnoh Region Champion. She says she has come to Unova to participate in an exhibition match at the Pokémon World Tournament Junior Cup, held in Lacunosa Town, and Ash learns that the prize of the tournament is a battle with Alder, Unova's reigning Champion. As the four head out of Virbank City for Undella Town, they come across the legendary Melody Pokémon, Meloetta who seems to have fallen ill.