How many movies have Keiji Fujiwara and Toshiyuki Arakawa collaborated on?

They have worked on 10 movies together! Their first movie together was Crayon Shin-chan: The Hidden Treasure of the Buri Buri Kingdom (1994) while their highest rated movie together was Crayon Shin-chan: A Storm-invoking Jungle (2000). They have not worked together since Crayon Shin-chan: Fast Asleep! Dreaming World Big Assault! (2016). They are most known for their comedy films together.