Steve takes Deadly back in time to discover the deadliest animals that ever walked the earth - the dinosaurs. Studying fossilized remains at London's Natural History Museum is just the start. Steve sees this prehistoric world brought to life in a computer-generated show down of deadly dinos. Starting with humongous herbivores that were the size of two articulated lorries, Steve then shows us their lethal defenses, before meeting the most terrifying dinos in the Jurassic pack - the carnivorous predators. Steve also reveals how our modern day animals measure up to dino deadliness.

This special Deadly Pole to Pole episode has got serious bite - it's all about sharks. Steve travels the globe to swim with these misunderstood predators and prove they are not the brutish killers many people believe. In the Bahamas, Steve uses time-slice cameras to see what makes a shark's bite so deadly, but there is more to these perfect predators than jaws. Steve investigates the highly honed superpowers of the hammerhead shark. Finally, Steve puts his theory that sharks are not mindless killers to the ultimate test. In Hawaii, he swims with the oceanic white tip, a shark with a man-eating reputation, before heading to Mexico to dive outside of the cage with the most feared shark on the planet, the great white.

This time on Deadly Pole to Pole, Steve Backshall experiences killer cold and discovers how animals in the frozen corners of our planet survive subzero temperatures. Heading to an extreme environments laboratory, Steve is stripped to his underwear in a huge freezer and plunged into a swimming pool of chilled water to see what happens to his body in these extreme conditions. How will Steve match up to the cold specialists in the natural world? From thick sea otter pelts and inches of walrus blubber to the ultimate ability to freeze solid and still survive, animals have evolved ingenious ways to beat the killer cold.

Steve Backshall and his daring crew take a look at some of the most deadly forces of nature on our planet, when they explore the elemental furies of fire, ice, water and wind. Deep in the Australian outback, Steve ventures into the heart of a wildfire and then ups his fiery experience by getting roasted on the volcanic lava flows of Hawaii. In the freezing Alaskan ice world, Steve abseils into the heart of a glacier, experiencing an inhospitable world that pushes him to his limits in what turns out to be one of his toughest challenges yet. After looking at the deadly power of waves, Steve investigates the destructive force of tornados. To simulate their fierce winds of up to 200 miles per hour, the crew fire up the engines of a fighter jet. Standing in the jet flow, Steve shows how everyday objects can transform into deadly projectiles.

In this special episode of Deadly Pole to Pole, Steve takes a look at the incredible world of reptiles and discovers what makes them cold-blooded killers. First up, he looks at their weapons. From the chameleon's spring-loaded turbo tongue, to the alligator snapping turtle's lethal jaws. Next, Steve tests out the most powerful bites on the planet when he encounters reptilian giants - the crocodiles. Finally Steve investigates the super senses of snakes before heading to the remote island of Komodo to meet the largest lizard alive. Komodo dragons are the ultimate cold-blooded predator, even turning their killer instincts on the crew when the dragons start to hunt Steve.