How many movies have Hitoshi Ikeda and Shōji Sakai collaborated on?

They have worked on 1 movie together! Their first movie together was Ike-ike Densha: Hamete, Ikasete, Yamenaide! (1997) and was their highest rated movie together. They have not worked together since Ike-ike Densha: Hamete, Ikasete, Yamenaide! (1997).