Dr Chris and Dr Xand continue to find out more from the team of experts and explorers in Greenland. In this episode, they leave their camp high above Store Glacier and head out across the high Arctic seas in the good ship Neptune. They are in search of the amazing sight that is the Petermann iceberg. At a gigantic two billion tonnes of ice, it is the biggest object afloat in the northern ocean. They attempt the difficult and dangerous task of docking the ship to the berg. The ship's captain Ragi is under pressure, as his target is moving. Show less