How many movies have Chieko Baisho and Tsugio Saito collaborated on?

They have worked on 4 movies together! Their first movie together was Lover's Duet (1967) while their highest rated movie together was Tora-san, the Good Samaritan (1971). They have not worked together since Tora-san, the Good Samaritan (1971). They are most known for their comedy films together.