How much did this American animated TV series and media franchise for which Kris Zimmerman directed episodes, gross worldwide in retail sales?
Kris Zimmerman:  In the cartoons, she has directed episodes for "Ben 10", "The Real Adventures of Jonny Quest", "Regular Show" and "Fish Hooks". Ben 10:  Worldwide it has grossed over $4.5 billion in retail sales.
i don't know