How many movies have Josef Pechanec and Petr Jákl collaborated on?

They have worked on 9 movies together! Their first movie together was The Day That Shook the World (1975) while their highest rated movie together was Adela Has Not Had Supper Yet (1978). They have not worked together since Noc smaragdového měsíce (1985). They are most known for their history films together.