Gregg flies into Upington the gateway to the Kalahari and follows the Orange River to the spectacular Augrabies Falls.

Paddling down river, Gregg overnights at Khamkhirri Lodge and has a traditional Afrikaans braai (or barbecue). He then heads into the heart of the desert where he faces a tough taste challenge and is surprised by a secret spring.

The MasterChef presenter takes a tuk tuk ride to explore the colourful and energetic township of Soweto just outside Johannesburg, home of both Desmond Tutu and Nelson Mandela. He dishes up lunch in a school canteen and learns the lively gum boot dance.