S2·E10 Stage Fight!

Misty meets another female trainer who also is an expert on water Pokémon. The new trainer notices some signs that Misty's Psyduck may be ready to evolve. As the two prepare for a Pokémon battle, a Golduck springs from the water and battles for Misty. With her powerful new Pokémon, can Misty defeat both her newfound friend and Team Rocket?