How many movies have Curtis Lum and Michael Prupas 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 Road Less Traveled (2018). They have not worked together since Signed, Sealed, Delivered: The Road Less Traveled (2018).