How many movies have Lennart Forsén and Waldemar Bergendahl collaborated on?

They have worked on 4 movies together! Their first movie together was The Butt (1974) while their highest rated movie together was The Stationmaster Is on Fire - The Movie, That Is! (1991). They have not worked together since The Stationmaster Is on Fire - The Movie, That Is! (1991). They are most known for their comedy films together.