How many movies have Akihiro Hirasawa and Hiroshi Kato collaborated on?

They have worked on 4 movies together! Their first movie together was Slayers Return (1996) while their highest rated movie together was Evangelion: 1.0 You Are (Not) Alone (2007). They have not worked together since Evangelion: 1.0 You Are (Not) Alone (2007). They are most known for their animation films together.