
Walking with Beasts
In the sea, 36 million years ago the most monstrous mammals can be found.

In the sea, 36 million years ago the most monstrous mammals can be found.

Forty-nine million years ago, the world was heavily forested and birds ruled the planet.

What finally killed all the woolly rhinos, mammoths, sloths and sabre-toothed cats?

Unraveling the secrets of the 5,000-year-old corpse found frozen in an Alpine glacier.

According to new evidence, the Woolly Mammoth went on roaming until about the time the Pyramids were built.

Thousands of years ago, tar slicks entombed the most spectacular animals ever to walk the continent.

A herd of mammoths head south for winter, running a gauntlet of ice-age hunters.

The largest of all the sabre tooth cats roamed South America one million years ago.

Three million years ago, Ethiopia was home of the ape-man Australopithecus and the sabre-toothed Dinofelis.

Twenty five million years ago lived the Indricotheres - the largest land mammals of all time.

In the sea, 36 million years ago the most monstrous mammals can be found.

Forty-nine million years ago, the world was heavily forested and birds ruled the planet.

Professor Alice Roberts ventures to the areas hit hardest by the cold of the Ice Age.

A giant comet heading for Earth is destined to mark the end of the age of the dinosaurs.

Follow a group of plant-eating dinosaurs as they try to survive in an extreme climate.

Fly with a pterosaur on a journey of thousands of miles to his breeding grounds.

Meet the liopleurodon, the biggest of all the carnivores 149 million years ago.

This is the story of one of the largest animals to walk the Earth - the mighty sauropods.

Two hundred and twenty million years ago, one group of reptiles was about to take over the world.

How attention turned from civilization and kings to the search for the common man.