Witness some of our planet's most disastrous and deadly natural catastrophes that can happen right on your own doorstep.
Science reveals how a dog's ability to communicate and empathise with humans makes them such great workers, but in our modern world traditional roles for working dogs are dying out.
Steve is going large, as he focuses on the biggest animals to have ever walked the earth. In his dino-den, he starts by meeting the Argentiosaurus, an animal so large that even its poo was deadly. But if you thought that, that was the biggest dinosaur ever, then think again.
Charting some of the most extreme weather from all around the globe, from freak tornadoes appearing out of nowhere, to pounding storms with hailstones the size of footballs.
Mating of the Vogelkop bowerbirds.
Chip and Agnes Hailstone struggle to live in the Arctic and survive as a family, while passing along the importance of their heritage and native traditions to their children.