How many movies have Hiroshi Butsuda and Motoi Sasaki collaborated on?

They have worked on 6 movies together! Their first movie together was Engine Sentai Go-Onger vs. Gekiranger (2009) while their highest rated movie together was Gokaiger Goseiger Super Sentai 199 Hero Great Battle (2011). They have not worked together since Kamen Rider Zi-O the Movie: Over Quartzer (2019). They are most known for their adventure films together.