How many movies have Hideki Sonoda and Satoshi Tajiri collaborated on?

They have worked on 15 movies together! Their first movie together was Pokémon 4Ever (2001) while their highest rated movie together was Pokémon: Arceus and the Jewel of Life (2009). They have not worked together since Pokémon the Movie: Diancie and the Cocoon of Destruction (2014). They are most known for their adventure films together.