IMAGE DISTRIBUTED FOR WARNER BROS. CONSUMER PRODUCTS - Fifty-five foot Scooby-Doo balloon greets fans at the Second Annual National Family Pack Walk at the National Mall on Saturday Sept. 29, 2012, in... more 
IMAGE DISTRIBUTED FOR WARNER BROS. CONSUMER PRODUCTS - Fifty-five foot Scooby-Doo balloon greets fans at the Second Annual National Family Pack Walk at the National Mall on Saturday Sept. 29, 2012, in Washington. (Photo by Larry French/Invision for Warner Bros. Consumer Products/AP Images) less 
1 / 1
Associated Press
Sat, Sep 29, 2012 5:11 PM EDT