Richard Hammond goes to the centre of the planet to find out how the Earth works. Using computer technology, Richard peels back the layers and shows where volcanoes come from, why earthquakes happen and even where to find diamonds.
Richard Hammond is going to drain the oceans to find out what would happen if the planet lost its oceans. Hidden beneath all that water are some of the biggest natural formations on earth: The longest mountain ranges, the tallest volcanoes and the deepest canyons.