Pokémon

Early in the morning Ash saw the freakiet thing ever: A Rhydon emerging from the water. After hearing this tale Misty thinks he's making it up, until they meet a girl named Pietra who is looking for a Rhydon who knows Surf. Team Rocket thinks this is unusual and decide to get the Rhydon as a gift for the boss. Can Ash and co. help Pietra get the Rhydon before Team Rocket does?