How many movies have Akatsuki Yamatoya and Hideaki Sorachi collaborated on?

They have worked on 5 movies together! Their first movie together was Gintama: The Movie (2010) while their highest rated movie together was Gintama: The Movie 2: The Final Chapter: Be Forever Yorozuya (2013). They have not worked together since Gintama on Theater 2D: Kintama Arc (2024). They are most known for their animation films together.