Pokémon S09E40 - Dules of the Jungle!

Ash and friends continue thier journey to the Battle Pyramid for Ash's final symbol. They come across a injured wild Weavile. They try to help it but it attacks and badly injures Aipom. They find out from a townperson that Weavile was attacked by a member of its own group instead of a Sneasel. Ash and friends then decide to find Weavile and help it beat its adversary.