Cat: Can a cheetah outrace a sportscar? How did cats help to defeat the ancient Egyptians in battle? From the African savanna to the modern kitchen, we delve into stories and myths about cats, how they function and their relationship with humans and each other.

Dog: Which canine ancestors helped to found a great city? Which dogs served on the Western Front during World War I? We feel closer to dogs than any other animals. But do we really understand what a dog's life is all about?