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

They have worked on 2 movies together! Their first movie together was Scooby-Doo! Stage Fright (2013) 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).