With footage of octopus species rarely, if ever, seen before -- including one with giant eyes and another with antennae in place of suction cups -- Nature takes viewers into the deepest realms of the ocean for a front-row view.
Explains how both conflict and cooperation have helped shape the species that today populate our world. And it profiles the winners and losers - from the massive dinosaurs to the humble bacteria that have survived for billions of years.
As predators became better hunters, their prey also evolved better defenses. The drive to survive has produced remarkable hunting strategies. Other animals have taken to deception.
Both humans and animals are hard-wired to find youngsters adorable. The practical and essential reasons why the very young have an ability to play on our heartstrings are explored in Baby Tales.
