The team must face hippo and lion attacks on the Namibian border and an endless trek in unforgiving heat.

The team become the first group ever to walk through Etosha Game Reserve and come face to face with wild animals.

In the final leg, the team face the toughest part of their journey - crossing the burning and mountainous sand dunes of the world's oldest desert.

Eleven people embark on an arduous trek across Africa. The journey begins with an endurance test against the world's most dangerous rapids.