How much did this American animated TV series and media franchise for which Kris Zimmerman directed episodes, gross worldwide in retail sales?
Kris Zimmerman: Kris Zimmerman Salter (born December 12, 1958 in Cleveland, Ohio) is an American voice and casting director in the animation and video game industry. 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: Ben 10 is an American animated TV series and media franchise created by Man of Action Studios and produced by Cartoon Network Studios. Ben 10:  Worldwide it has grossed over $4.5 billion in retail sales.
$4.5 billion