How many movies have Dave Harrison and Robert Hartmann collaborated on?

They have worked on 9 movies together! Their first movie together was Gabriel Iglesias: Hot and Fluffy (2007) while their highest rated movie together was Sebastian Maniscalco: Aren't You Embarrassed? (2014). They have not worked together since Jeff Dunham: All Over the Map (2014). They are most known for their comedy films together.