Changed pizza toppings
Children are notoriously picky eaters, but their preferences vary greatly across countries and cultures. From an American perspective, it’s understandable that broccoli isn’t a favorite vegetable among children. So that’s the pizza topping used in Inside Out to make the pizza appear disgusting.
Broccoli, on the other hand, appears to be a favorite of Japanese children. So instead, bell peppers were chosen for the Japanese version. This is amusing to us because bell peppers on pizza are a common and popular topping among children.