How many movies have Don Harrison and Lee Karlovic collaborated on?

They have worked on 5 movies together! Their first movie together was Signed, Sealed, Delivered: One in a Million (2016) while their highest rated movie together was Signed, Sealed, Delivered: Lost Without You (2016). They have not worked together since Benchwarmers 2: Breaking Balls (2019). They are most known for their tv movie films together.