How the Earth Works

Martin and Liz investigate a giant asteroid impact that may have wiped out the Dinosaurs. Later, Martin experiences the power of a NASA supergun.

An active volcano with the power to plunge the whole world into a brutal dark age is rising from the sea. Will it cataclysmically erupt once again?

Liz and Martin visit Japan, to witness the battle that rages between the people and the volcanoes, earthquakes and tsunamis that threaten them on a daily basis.

Liz Bonnin and Martin Pepper investigate the volcano Mount Vesuvius. During the research, they discover another deadly super volcano, Campi Flegrei.

Martin and Liz explore Iceland to see if its volcanoes could cause chaos in the future. Later, Martin samples an insane motorsport on ashy slopes.

Martin and Liz investigate a giant asteroid impact that may have wiped out the dinosaurs. Later, Martin experiences the power of a NASA supergun.

Biologist Liz and geologists Martin find out the answers to a series of scientific quandaries. What link do the Rockies have to the atomic bomb?

Martin and Liz travel from the glaciers of Canada to the heat of Death Valley to reveal evidence of the most powerful geological events - Ice Ages.