How many movies have Eric Stough and Frank C. Agnone II collaborated on?

They have worked on 8 movies together! Their first movie together was South Park: Bigger, Longer & Uncut (1999) while their highest rated movie together was South Park: Imaginationland (2008). They have not worked together since South Park: Joining the Panderverse (2023). They are most known for their comedy films together.