Tim really wants a dog. There's only one problem - his sister. She's allergic to animals. When Tim meets silly, scruffy old Whatnot in the park one day, he knows that this is the dog for him. How are he and Grandad going to find a way to keep him? A heart-warming tale about a boy and his new best friend.Tim really wants a dog. There's only one problem - his sister. She's allergic to animals. When Tim meets silly, scruffy old Whatnot in the park one day, he knows that this is the dog for him. How are he and Grandad going to find a way to keep him? A heart-warming tale about a boy and his new best friend.