Santa's Little Helper and is the center of the plots of several episodes. During the course of the show, he has fathered litters of puppies, passed obedience school, had surgery for bloat, replaced Duffman as the mascot for Duff Beer, and been trained as a police dog at Springfield's Animal Police Academy. Some of the episodes that focus on Santa's Little Helper have been inspired by popular culture or real experiences that staff members of the show have gone through. Although cartoon animals are often anthropomorphized, Santa's Little Helper generally exhibits canine behavior. Cast member Dan Castellaneta currently provides the dog's sounds on
Mother's Little Helper (Once Upon a Time) that he's freed from his cell. Hours later at the city limits, Regina and Henry give Isaac a car that will allow him to leave town. As part of his agreement, Isaac tells them to look at the "Once Upon a Time" book, and when Henry opens the pages, he discovers that they're blank because it will soon detail a description of the final battle, the end of Emma's story. Josh Dallas and Rebecca Mader are credited but do not appear in this episode. Mother's Little Helper (Once Upon a Time) "Mother's Little Helper" is the sixteenth episode of the