Entertaining science series. Jimmy Doherty heads to his barn to investigate different methods of food preservation, including freezing, drying, heating and canning. Show more

Science series. Farmer Jimmy Doherty investigates milk production, reduced fat spreads and wrinkly eggs. He also discovers how Red Leicester cheese is made. Show more

Science series in which farmer Jimmy Doherty asks what goes into supermarket food. In this episode, he makes breakfast from scratch, looking at cornflakes and coffee. Show more

Alex Jones and Iain Stirling chat to Bryan Cranston about his latest film The One and Only Ivan. Plus Jimmy Doherty talks about a new campaign to save Britain's bees. Show more

Jimmy Doherty reveals the hidden lives of farmyard animals. He visits a farm in Devon to find out how chickens work out the pecking order and how they communicate with chicks. Show more

Jimmy Doherty reveals the hidden lives of farmyard animals. He visits a farm in Dartmoor to find out about pigs. How sensitive is a pig's nose? How do piglets find the right teat? Show more

Jimmy Doherty investigates new food production techniques and technologies. In Brazil, Jimmy learns how to produce food on poisoned land, and sees biofuel use in action. Show more

Jimmy Doherty investigates new food production techniques and technologies. In Australia, Jimmy finds out whether farmers can overcome the global problem of soil salinity. Show more

Jimmy Doherty investigates food production techniques and the challenge of feeding the world. In the USA, farmers have put their faith in new technology to increase food output. Show more

Jimmy Doherty investigates food production techniques and the challenge of feeding the world. Jimmy visits Kenya and meets farmers who use ingenious new ways to combat pests. Show more

Jimmy Doherty explores the global logistics that bring fresh food from around the world to a shop near you, and uncovers the science that keeps food fresh for weeks.

Jimmy Doherty embarks on a quest to reveal the hidden lives of farmyard animals. He visits a farm in Devon to find out about cows. What really goes on inside their brains? Show more

Setting up his own food factory in a barn, Jimmy Doherty looks at how food is put together. Visits to real-life food factories add to the mix, revealing some trade secrets. Show more

Farmer Jimmy Doherty asks what really goes into supermarket food. Jimmy tries out some of the tricks the food factories use to make food that's easy to prepare. Show more

Farmer Jimmy Doherty asks what really goes into supermarket food. He discovers how to make peanut butter on an industrial scale and how tea tasters ensure quality. Show more

Farmer Jimmy Doherty asks what really goes into supermarket food. Jimmy learns the secrets of a yeast extract factory, and tries to make his own chewing gum. Show more

Farmer Jimmy Doherty asks what really goes into supermarket food. Jimmy discovers how freshly squeezed juices differ from concentrates, and how low fat mayo is made. Show more

Farmer Jimmy Doherty asks what really goes into supermarket food. Jimmy makes Sunday lunch from scratch, trying to create the potato flakes that make instant mash. Show more

Farmer Jimmy Doherty asks what really goes into supermarket food. Jimmy looks at how food factories use extreme temperatures to create our everyday foods. Show more

Jimmy Doherty reveals the secrets of supermarket food, as he creates his own chocolate Brazil nuts and visits Britain's largest turkey producer as they prepare for Christmas. Show more