On the way to Olivine City, Ash and friends run into a girl who is trying to build a tunnel threw a mountain, but leaking water is causing her Rock Pokémon to stop digging. In order to finish the tunnel, Ash and friends decide to help her capture a Rhydon that likes water that lives nearby.
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 .