A girl and her uncle buy a tiny red dog from a sketchy pet store down the street on Christmas Eve and the next day it grows to be an amazing and big superhero dog.A girl and her uncle buy a tiny red dog from a sketchy pet store down the street on Christmas Eve and the next day it grows to be an amazing and big superhero dog.A girl and her uncle buy a tiny red dog from a sketchy pet store down the street on Christmas Eve and the next day it grows to be an amazing and big superhero dog.