Secret Life of Dogs

We all know that dogs are man's best friend – and dog owners already know why

We all know that dogs are man's best friend – and dog owners already know why. For cat people and everyone else, this three-part series reveals the science behind what makes canines such loyal companions.

Dogs win us over from an early age. They are born with the instinct to make eye contact, as well as the ability to see the world from our perspective – a trait that is almost unique in the animal kingdom.

As you'd expect, there are plenty of heartwarming stories on display here, and adorable dogs to back up the science. If you don't already own a dog, this show may well make you consider getting one