How many movies have Joan Ganz Cooney and Lloyd Morrisett collaborated on?

They have worked on 3 movies together! Their first movie together was Sesame Street: Old School Vol. 2 (1974-1979) (2008) and was their highest rated movie together. They have not worked together since Sesame Street: Old School Vol. 1 (1969-1974) (2008). They are most known for their family films together.