How many movies have Hideki Mori and Takashi Abe collaborated on?

They have worked on 4 movies together! Their first movie together was 30,000 Miles Under the Sea (1970) while their highest rated movie together was The Three Musketeers in Boots (1972). They have not worked together since Hans Christian Andersen's The Little Mermaid (1975). They are most known for their animation films together.