How many movies have Eric Mabius and Mark McDonald collaborated on?

They have worked on 5 movies together! Their first movie together was Signed, Sealed, Delivered for Christmas (2014) while their highest rated movie together was Signed, Sealed, Delivered: From the Heart (2016). They have not worked together since Signed, Sealed, Delivered: From the Heart (2016). They are most known for their tv movie films together.