How the Earth Works

An active volcano with the power to plunge the whole world into a brutal dark age is rising for the sea in the heart of the Asia. It's done it before - and it will erupt again. Adventure scientists Martin Pepper and Liz Bonnin head deep into Indonesia.

Martin and Liz investigate a giant asteroid impact that may have wiped out the Dinosaurs 65 million years ago. Martin experiences the power of a NASA supergun and Liz follows the geological clues to Mexico where she dives an underground river.

Martin and Liz explore Iceland to see if its volcanoes could spread global chaos in the future. Martin samples an insane motorsport on ashy slopes and Liz has the dive of a lifetime between the continental plates of North America and Europe.

Liz and Martin travel to the tropical paradise of Hawaii to investigate how evidence of catastrophic events in its geological past reveal a pattern of destruction that stretches back millions of years.

Biologist Liz Bonnin and Geologist Martin Pepper investigate the world’s most dangerous volcano Mount Vesuvius only to discover that the three million people of Naples live in the shadow of another, much more deadly super volcano.

Geologist, Martin Pepper, and biologist, Liz Bonnin, travel to the iconic Rocky Mountains, to reveal the extraordinary link between the Rockies' soaring peaks and the uranium that ended up in ‘Little Boy', the atomic bomb detonated over the Japanese city