Fierce Earth

The team explores the threat of landslides in the UK. Leah travels to the Isle of Wight to discover why it's under the constant threat of eroding rocks. Dougal explores the biggest sinkhole in Britain.

Mike, Dougal and Leah are on an epic, rain-soaked journey. The team travel the length of India tracking the monsoon - the world's biggest weather phenomenon, as it passes over the country to the world's wettest place.

Clare, Dougal, Leo and Mike discover the secrets of ice. On a bobsleigh track in the Swiss Alps, Leo learns about the slippery properties of this frozen substance, while Mike explores the devastating power of ice storms.