How many movies have Atsuko Nishida and Megumi Hayashibara collaborated on?

They have worked on 4 movies together! Their first movie together was Pokémon: Mewtwo Returns (2001) while their highest rated movie together was Pokémon: Zoroark - Master of Illusions (2010). They have not worked together since Pokémon the Movie: Genesect and the Legend Awakened (2013). They are most known for their family films together.