How many movies have Hiroshi Ôtake and Isamu Tanonaka acted in together?

They have worked on 5 movies together! Their first movie together was Flying Phantom Ship (1969) while their highest rated movie together was Dr. Slump and Arale-chan: Hoyoyo! The Great Race Around The World (1983). They have not worked together since Dr. Slump and Arale-chan: Hoyoyo! The Treasure of Nanaba Castle (1984). They are most known for their animation films together.