How many movies have Koichi Maruyama and Shojuro Yamauchi collaborated on?

They have worked on 5 movies together! Their first movie together was Lupin the Third: The Castle of Cagliostro (1979) and was their highest rated movie together. They have not worked together since Lupin the Third: Greatest Capers (1995). They are most known for their comedy films together.

Lupin the Third: Greatest Capers (1995)

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Lupin the Third: The Legend of the Gold of Babylon (1985)

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Sherlock Hound: The Adventure of the Blue Carbuncle / Treasure Under the Sea (1984)

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Chie the Brat (1981)

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Lupin the Third: The Castle of Cagliostro (1979)

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