How many movies have L. Vlasenko and Valeriy Pugachev collaborated on?

They have worked on 4 movies together! Their first movie together was Загадки звёздного неба: Наше солнце (1985) and was their highest rated movie together. They have not worked together since Академия детских наук. Музыка. Как сочинять оперы. Фильм 4 (1990). They are most known for their family films together.