How many movies have Doug Langdale and Frank Welker collaborated on?

They have worked on 5 movies together! Their first movie together was The Return of Jafar (1994) while their highest rated movie together was Scooby-Doo! Shaggy's Showdown (2017). They have not worked together since Scooby-Doo! Shaggy's Showdown (2017). They are most known for their family films together.