Man's best friend comes in all shapes and sizes, from teacup poodles to mountainous mastiffs. This entertaining look at domesticated canines follows the history of the relationship between humans and dogs, traces the origins of the most popular breeds from big to small, features training tips from doggie experts, digs into the reasons behind Fido's more peculiar habits and sniffs out the huge profits behind the billion-dollar dog industry.

They might not look as impressive as wolves but the little dogs of the world are just as complex and endearing. By following dog families from across the world we’ll see the similarities and differences in how they live from how they interact and defend themselves to how they find food.

About the meeting of a boy and a dog. A woman found a stray dog, washed and fed it. At the same time, the boy tries to prove to his father that he is an adult and can have a four-legged pet and look after it. But before they are be together, they will have to pass several tests.

Story of a Hollywood animal trainer and his granddaughter, who befriends two of his performing dogs, Big Chuck and Little Chuck.