The Secret Life of Dogs Series 1: Episode Guide & Ratings

A look at how dogs have become part of human life and the closest of companions. An example of this special relationship is the amazing story of a cliff-diving jack russell.

This episode examines the working relationship between humans and dogs.

All dogs descend from wolves, but how did this predator become a member of so many families? These examples show how strong the bond can be between a dog and its human family.