Saban Brands’ New Preschool Series “Julius Jr.” Premieres September 29 on Nick Jr. - Saban Brands and Nick Jr. today announced that Julius Jr., the all-new animated preschool series inspired by the Paul Frank family of characters, will debut Sunday, Sept. 29, at 11 a.m. (ET/PT) on Nick Jr. in the United States. Following the adventures of a young version of Julius the monkey, Julius Jr. will mark the first television series for the Paul Frank franchise.