First broadcast: on BBC One CambridgeshireLatest broadcast: on BBC One Scotland
Five would-be explorers trek 200 miles across frozen Arctic wastes to reach Temple Mountain. Nina has a brush with death as she loses control of her snowmobile. Show more
First broadcast: on BBC One CambridgeshireLatest broadcast: on BBC One Scotland
Five would-be explorers trek 200 miles across frozen Arctic wastes to reach Temple Mountain. Teamwork goes out of the window when the group face their first night on the ice. Show more
First broadcast: on BBC One WalesLatest broadcast: on BBC One London
Five would-be explorers trek 200 miles across frozen Arctic wastes to reach Temple Mountain. The team have spent a sleepless night trying to persuade Rachel to carry on. Show more
First broadcast: on BBC One North East & CumbriaLatest broadcast: on BBC One Scotland
Five would-be explorers trek 200 miles across frozen Arctic wastes to reach Temple Mountain. The team begin a journey across 70 miles of tundra, but a blizzard rolls in. Show more
First broadcast: on BBC One CambridgeshireLatest broadcast: on BBC One Scotland
Five would-be explorers trek 200 miles across frozen Arctic wastes to reach Temple Mountain. In the midst of an Arctic blizzard, the team find their route forward is blocked. Show more
