How many movies have Sherri Stoner and Tress MacNeille acted in together?

They have worked on 4 movies together! Their first movie together was Tiny Toon Adventures: How I Spent My Vacation (1992) while their highest rated movie together was Animaniacs: Spooky Stuff (1996). They have not worked together since Animaniacs: Wakko's Wish (1999). They are most known for their animation films together.