How many movies have Jimmy Fallon and Justin Timberlake acted in together?

They have worked on 4 movies together! Their first movie together was Saturday Night Live: The Best of Jimmy Fallon (2005) while their highest rated movie together was Saturday Night Live: The Best of Amy Poehler (2009). They have not worked together since Popstar: Never Stop Never Stopping (2016). They are most known for their comedy films together.