Hunting by our side, dogs have made us the top predator. The Baka tribe is still hunting with their Basenji dogs - much like our forefathers would have done.
Dogs are willing to do almost anything we ask of them. From the front lines of war to medical detection, there has never been a busier time to be a dog.
36 different species of dog are living in the wild. But what makes a wild dog 'wild'? Plus, experts uncover how dog's evolutionary past has shaped the pet at home.
Follow stray pups in Thailand through the first weeks of their dangerous lives. And in Kathmandu, dogs are worshiped and dressed with garlands for the Tihar festival.
How have dogs evolved from wild predators to friendly pets? Plus, a look at parts of the world where dogs are spoiled as much as children.
