2/10Dr Chris and Dr Xand find out what makes a glacier slide towards the sea.(R)
3/10Dr Chris and Dr Xand explore the dangerous underground world of Store Glacier.(R)
4/10The scientists investigate the temperature of the seawater beside the glacier.(R)
5/10The team sees an incredible 3D image of the glacier's underwater face.(R)
6/10Dr Chris and Dr Xand search for the Petermann iceberg.(R)
7/10The team encounter the scariest land predator in the natural world - the polar bear.(R)
8/10The team learn about the weird but beautiful creatures that live underneath the iceberg.(R)
9/10Chris and Andy experiment to see how the body reacts to freezing cold water.(R)