Gregg Wallace and Babita Sharma lift the lid on the science behind the supermarkets. Gregg finds out how supermarkets decide where to open convenience stores. Show more

Sara Cox and Ade Adepitan have access to some of Britain’s biggest supermarkets and their suppliers to see how their systems have stood up to the most testing time in their history. Show more

Gregg Wallace reveals how supermarkets get the public in the mood for autumn. Including a look at Halloween pumpkins, own-label pies and the hidden world of online supermarkets. Show more

Gregg Wallace reveals how the supermarkets gear up for the biggest challenge of their year - Christmas. He sees what it takes to deliver millions of turkeys. Show more

Following the staff and patients moving into the Queen Elizabeth University Hospital. Staff at the Southern General and Victoria Infirmary prepare for the big move. Show more

Documentary. Chris Bavin looks at the latest scientific research on obesity and reveals how small lifestyle changes can help people maximize their chances of keeping trim. Show more

Gregg Wallace and Babita Sharma lift the lid on the science behind the supermarkets. Gregg discovers the high-tech acoustic kit being used in the battle for the perfect avocado. Show more

Gregg Wallace and Babita Sharma lift the lid on the science behind the supermarkets. Gregg discovers the exotic ingredient being used to produce a healthier burger. Show more

Gregg Wallace goes behind the scenes with Britain's biggest food retailers. He reveals how the supermarkets bring us our summer favourites, and how they stay ahead of the weather. Show more

With spring in the air, presenter Gregg Wallace finds out what it takes to bring us millions of eggs for Pancake Day, and discovers the clever technology behind Easter chocolate. Show more

Marcus du Sautoy demystifies the hidden world of algorithms, revealing where these 2,000-year-old problem-solvers came from, how they work and what they have achieved. Show more

Hannah Fry takes a look at the bank card, the digital key to accessing cash, and finds out how its extraordinary innovations have some surprising and sinister origins. Show more

Hannah Fry tucks into the tech behind food delivery apps, which are now used by 24 million people in the UK. Hannah finds out how pizza made us fall in love with the internet. Show more

The supermarkets know that shoppers don’t show much allegiance to them any more, so what techniques are they coming up with to keep us coming back? Show more

Gregg sees how robots are revolutionising online delivery, while Nikki tests out new pay-in-the-aisle technology as we move towards a checkout-free future. Show more

Hannah Fry finds out how 1970s car crashes helped us to count our steps, why WWII dogfights led to a crucial health monitor and how fitness trackers are even being used to catch killers. Show more

Hannah Fry delves into the inner workings of virtual assistants, such as Amazon’s Alexa, Google Assistant and Siri, which are now found in almost half of all UK homes. Show more

Hannah Fry visits eBay’s authentication centre, where they are waging war against fake high-value trainers. Show more

Gregg Wallace and Nikki Fox look at how technology is transforming the way we shop for food. This time, Gregg looks at new vegan meals designed to taste like meat. Show more

Gregg Wallace and mathematician Hannah Fry invite five special guests to a unique dinner party where they are scored on the environmental impact of every dish they choose. Show more