How many movies have Bruce Howell and Keo Thongkham collaborated on?

They have worked on 4 movies together! Their first movie together was South Park: Bigger, Longer & Uncut (1999) while their highest rated movie together was South Park the Streaming Wars (2022). They have not worked together since South Park the Streaming Wars Part 2 (2022). They are most known for their comedy films together.