How many movies have Andy Ezrin and Frank Welker collaborated on?

They have worked on 1 movie together! Their first movie together was Straight Outta Nowhere: Scooby-Doo! Meets Courage the Cowardly Dog (2021) and was their highest rated movie together. They have not worked together since Straight Outta Nowhere: Scooby-Doo! Meets Courage the Cowardly Dog (2021).