How many movies have Andrea Aureli and Guido Malatesta collaborated on?

They have worked on 8 movies together! Their first movie together was Colossus of the Stone Age (1963) while their highest rated movie together was Samson and the Slave Queen (1963). They have not worked together since Riuscirà il nostro eroe a ritrovare il più grande diamante del mondo? (1971). They are most known for their adventure films together.