The Secret Lives of Slim People, C4, 8.30pm

SABRINA Grant examines the lives of people who do not stick to a fitness regime or seem to worry about what they eat, but do not have a problem with their weight and stay trim without trying. With the help of private detectives and secret cameras the programme examines their every move and meal. The first edition features teaching assistant and mother-of-three Hayley from Eastbourne, an unashamed chocoholic with a busy lifestyle.

MasterChef, BBC1, 9pm

JOHN Torode and Gregg Wallace host the cookery competition, as a new batch of contestants are put through culinary challenges to test not just their skills but also their knowledge of food and ability to cope in a professional kitchen. The first seven hopefuls need to pull out all the stops to prove to John and Gregg that they have the potential to rise above

the rest and become MasterChef 2019 champion.

A Very British History: Romany Gypsies, BBC4, 9pm

THIS four-part documentary series explores key moments in the 20th century for minority communities across the UK. In the first edition, Damian Le Bas looks at how, in the 1960s, many gypsies were forced to abandon their nomadic way of life for a more settled existence. Focusing on the Home Counties, the writer draws on his own Romany family background to show how gypsies faced becoming outlaws, with regular stopping places for their caravans drying up and tighter planning laws putting further pressure on them.

Cold Feet, STV, 9pm

ADAM is enjoying his new relationship but he is unable to help feeling jealous when Karen’s head is turned by Dan the benevolent vicar. Jenny starts chemotherapy and gets a new lease of life when her cancer buddy Charlie encourages her to join the hospital choir, while Pete finds himself in a dilemma when Chloe – terrified that her mother is going to die – asks him to formally adopt her.