How many movies have Hideki Kawaguchi and Shunsuke Ikeda acted in together?

They have worked on 3 movies together! Their first movie together was Return of Ultraman (1971) while their highest rated movie together was Return of Ultraman: Terror of the Waterspout Monsters (1971). They have not worked together since Return of Ultraman: Jiro Rides a Monster (1972). They are most known for their fantasy films together.