Foodies champion British produce. Glynn Purnell is determined to revive the fortunes of the British brown shrimp, and John Torode fights for the Aylesbury duck. Show more

Foodies champion British produce. Valentine Warner campaigns to get Britain eating more venison and Ainsley Harriot tries to revive British mustards. Show more

Foodies champion British produce. Giorgio Locatelli campaigns for the revival of the British sardine and Jason Atherton battles for the British gooseberry. Show more

Foodies champion British produce. Mary Berry fights to revive real dairy ice cream whilst Raymond Blanc campaigns to get trout back on British plates. Show more

Foodies champion British produce. Matt Tebbutt campaigns for less waste and more offal, and Antonio Carluccio forages for the future of the British mushroom. Show more

Food writer Stefan Gates sets out to uncover the truth about those notorious food additives, E numbers. His journey begins with the E number colours. Show more

Stefan Gates uncovers the truth about food additives. He looks at preservatives, discovering one that keeps bacon free of deadly bacteria and one that's an explosive. Show more

Stefan Gates uncovers the truth about food additives. He looks at E number sweeteners used to replace sugar and learns about the chemicals which hold our food together. Show more

Neil Morrissey, Debbie McGee, Ed Byrne, Heather Small, Kate Bottley, Raphael Rowe and JJ Chalmers arrive in Biarritz and make their way to the start of their pilgrimage. Show more

The celebrities are delighted to find charity on their pilgrimage with a free-flowing wine fountain, but leave a hostel in solidarity with singer Heather when she senses racism. Show more

The seven celebrities are walking the last 100km to Santiago. Priest Kate still dreads the walk, but non-believer Raph is enjoying the opportunity to appreciate his surroundings. Show more

Eight celebrities of differing faiths and beliefs strap on backpacks and have 15 days to tackle 1,000km of the ancient Via Francigena pilgrimage, from the Italian Alps to Rome. Show more

Stephen K Amos tells the group that as a gay man he struggles to find any kind of religious home. Show more

The celebrity pilgrims set off on the final challenging stretch of the Via toward Rome. When they receive an extraordinary invitation from the Vatican, emotions run high. Show more

Seven celebrities of differing faiths and beliefs experience an emotional journey on a pilgrimage in north Wales, a route linked by churches dedicated to early Celtic Christian saints. Show more

The pilgrims head into Eryri National Park as the pilgrim path leads the group to one of Wales’s most famous natural wonders, Aber Falls. Show more

The pilgrims' final destination is Bardsey Island, the fabled ‘Island of 20,000 Saints’. Along the way, they see spectacular landscapes, visit holy sites and engage in fasting, ritual and meditation. Show more