How many movies have Kazuo Kato and Naruhisa Arakawa collaborated on?

They have worked on 9 movies together! Their first movie together was Mahou Sentai Magiranger vs. Dekaranger (2006) while their highest rated movie together was Tokusou Sentai Dekaranger: 10 YEARS AFTER (2015). They have not worked together since Bakuryū Sentai Abarenjā 20th: Yurusa Rezaru Abare (2023). They are most known for their science fiction films together.