How many movies have Krzysztof Gradowski and Piotr Fronczewski collaborated on?

They have worked on 4 movies together! Their first movie together was Mister Blot's Academy (1984) while their highest rated movie together was Travels of Mr. Blot (1986). They have not worked together since The Story About Master Twardowski (1996). They are most known for their fantasy films together.