Pokémon the Series: Sun & Moon Episode 39: Mallow and the Forest Teacher!
Episode 39 of 146 of Pokémon the Series: Sun & Moon, aired August 24, 2017, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Mallow is excited when her family restaurant is featured on TV—but it comes with a rush of customers, and her dad is too busy talking to the reporter to help. Eventually, she gets overwhelmed and storms off into the forest, where she falls and hurts her leg!