Pokémon - Season 7 Episode 50 Pokéblock, Stock, and Berry Gotta catch 'em all!
Overview: As they arrive in Lilycove City, the heroes meet Kelly, a fellow Coordinator, who knows how to make good Pokéblocks. As Max stays with Ash, who wants to teach Swellow Aerial Ace, Brock goes with May, who wants to learn more about Pokéblocks from Kelly.