This episode traces our love affair with chocolate back to York. Chocolate was transformed here from a luxury drink for the rich into the nation's favourite.

This episode looks at Luton's glamourous secret. While today the town is famous for its airport, it is a little-known fact that it once led the world in hat-making.

Steph McGovern leads the makers through the ages from the 17th century to the present day, revealing how Stoke-on-Trent dominated the pottery industry, transforming from a collection of rural villages to a city that became the world capital of ceramics.

The makers arrive in Wensleydale in the Yorkshire Dales, home of one of Britain's most loved cheeses, to discover its surprising story.

The makers discover how Northampton dominated the shoe industry for centuries, becoming the shoe capital of Britain and exporting fancy footwear all over the globe.

The makers experience Sheffield's transformation into an industrial powerhouse known as 'Steel City', famous throughout the world for making high quality steel and cutlery.