During a training match against Ash's Grovyle, Brock's Mudkip evolves into Marshtomp and with its new power injures a nearby Flaaffy. They offer to help Flaaffy, but it turns out the girl, Mariah, has a Grandma that owns a pharmacy nearby. At the pharmacy, Flaaffy is healed. Ash and the others then learn that Grandma Katie has a student named McCauley that is learning the secrets behind medicine. Meanwhile, Team Rocket decides to steal all of Katie's medicine.
Elenco: Sarah Natochenny , Christa Lips , Jeroen Keers , Hilde De Mildt , Ikue Ōtani , Frank Frankson , J.T. Ross , Jayne Grand , Jimmy Zoppi , Joseph Shore , Kerry Williams , Lee Quick , Mike Pollock , Nathan Price , Phillip Bartlett , Rachael Lillis , Ross Charap , Scottie Ray , Ted Lewis , Wayne Grayson .