New series. The team returns to explore the secrets behind mass-produced food, meeting technicians, scientists, factory owners, growers and producers, finding out exactly what goes into the everyday groceries that end up on the supermarket shelves. Jimmy Doherty finds out how Sri Lanka is coping with a looming coconut shortage, while Kate Quilton discovers whether compostables could be the answer to worldwide plastic pollution problem, annd Matt Tebbutt is in Paris to learn why the macaron has such a hefty price tag.

S16Ep1