How many movies have Harvey Kahn and Tiffany Sheppard collaborated on?

They have worked on 2 movies together! Their first movie together was Signed, Sealed, Delivered: Truth Be Told (2015) while their highest rated movie together was Signed, Sealed, Delivered: The Impossible Dream (2015). They have not worked together since Signed, Sealed, Delivered: The Impossible Dream (2015).