South Africa with Gregg Wallace (STV, 7.30pm)

GREGG Wallace sets off to explore South Africa’s most famous and best loved landscapes and experiences. Along the way his love of food unlocks its culture, landscapes and people. Over the next six weeks, the MasterChef judge will explore the country’s bucket-list destinations – Cape Town, The Whale Coast, Soweto, a Zulu village in the Garden Province and the magnificent Augrabies Waterfalls in the Kalahari Desert. However, he begins tonight by going on safari at the Amakhala Game Reserve in the Eastern Cape.

How To Lose Weight Well (Channel 4, 8pm)

DR Helen Lawal and Dr Javid Abdelmoneim ask people to try the most hyped-up diets on the market. Sisters Lesley and Debra, from Essex, road-test two routines followed by celebs Adele and Rebel Wilson – a Sirtfood diet and the Mayr Method. Friends Temi and Bose want to shed a few pounds for Temi’s 30th birthday drinks and drinking pals Maurice and Mick want to lose weight before attempting the Three Peaks walk in Yorkshire.

Cheetah Family & Me (BBC2, 9pm)

HAVING spent time with groups of black bears, grizzly bears, polar bears, snow wolves, gorillas, elephants, reindeer and snow cats, among others, Gordon Buchanan is now focusing on a family of cheetahs. The Scottish wildlife filmmaker heads to South Africa’s stunning Tswalu Kalahari Reserve to learn more about the threats that the world’s fastest land animal faces, both from nature and humans. Gordon meets cheetah expert and guide Richard Satekge, and together they track a mother cheetah and four of her six-month-old cubs.

Ben Fogle: New Lives In The Wild (Channel 5, 9pm)

BEN Fogle returns with a new run of the show in which he meets people who have given up the ways of western civilisation to embrace the wild and live offbeat lives. Covid-19 may have curbed his travels, but Ben has still managed to find some eccentric characters in the UK. He begins the new series by moving in with a couple who gave up their careers as vets to live on the side of a mountain in Pembrokeshire with their two children.