How many movies have Bill Murray and Michael O'Donoghue acted in together?

They have worked on 5 movies together! Their first movie together was Tarzoon: Shame of the Jungle! (1975) while their highest rated movie together was Saturday Night Live: The Best of Dan Aykroyd (2005). They have not worked together since Saturday Night Live: 40th Anniversary Special (2015). They are most known for their comedy films together.