How many movies have John Calkins and Michael Ferrucci collaborated on?

They have worked on 4 movies together! Their first movie together was Comedy Central Roast of William Shatner (2006) while their highest rated movie together was Comedy Central Roast of Bob Saget (2008). They have not worked together since Comedy Central Roast of Justin Bieber (2015). They are most known for their comedy films together.