Inside the Factory

Gregg Wallace, Cherry Healey and Ruth Goodman look at the production, science and history of bread in Britain.

Gregg Wallace, Cherry Healey and Ruth Goodman look at Britains history with milk and visit one of the largest fresh milk processing plants on earth.

Gregg Wallace follows 27 tonnes of potatoes from a farm in Hampshire through the largest crisp factory on earth.

Gregg Wallace visits the UKs largest sports shoe factory to see how they produce 3,500 pairs of trainers every day.

Gregg Wallace is at the worlds largest dried pasta factory in Italy, where they produce 150,000 kilometres of spaghetti each day.

Ruth Goodman investigates the origin of Worcestershire sauce, as told by Mr Lea and Mr Perrins.

Gregg Wallace is in Derbyshire at an enormous coffee factory where they produce 175,000 jars of instant coffee every day.

Gregg Wallace explores a factory that produces 625,000 sausages a day and Cherry Healey gets the scientific lowdown on getting the best banger.

Gregg Wallace is in Lowestoft at an enormous frozen food factory, where they produce one million potato waffles a day.

Gregg Wallace is in South Shields at a clothing factory where they produce 650 waxed jackets a day.

Gregg Wallace is in Leeds at an enormous mattress factory that produces 600 bouncy beds every day. Meanwhile, Cherry Healey learns whether there are benefits to be had from taking an afternoon nap.

Gregg Wallace is in France at an enormous foundry that produces a cast iron pot every five seconds.

Gregg Wallace is in Ireland at an enormous liqueurs factory that produces 540,000 bottles a day.

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In the second episode of the series, Gregg Wallace visits a sock factory in Leicester that produces one and a half million socks annually.

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Gregg visits the Woodmansterne card factory in in Watford. It’s one of the largest greeting card companies in the UK, a family business sending out 35 million cards a year.

Gregg Wallace visits the largest malt loaf factory in the world, encountering a production line of massive dough mixing, mind-boggling tin filling and intensely hot baking.

Gregg Wallace visits a bootmaking factory in Wollaston, Northamptonshire to follow the production of a pair of Dr. Martens, while Cherry Healey gets to grips with the machines that make shoelaces.

Gregg visits the Denby factory in Derbyshire. Brits drink 195 million mugs of tea and coffee every day, so Gregg is following production of one of the factory’s best sellers, the Halo Heritage mug.

Gregg Wallace gets exclusive access to a factory that builds red London buses, while Cherry Healey visits a bus windscreen factory and Ruth Goodman learns about London’s earliest double-deckers.

How Vale of Mowbray make pork pies - including 425,000 a week of their 75g snack-sized traditional pie - in Northallerton, Yorkshire. Hacks for the perfect vegan shortcrust pastry. How piccalilli, a pork pie accompaniment, is made. The history of Britains unusual stargazy pie, and powdered egg during the Second World War.

Gregg visits a factory that churns out up to 90,000 vegan sausages a day, while Ruth Goodman uncovers the green shoots of the vegetarian movement in Britain.

Gregg Wallace steps inside a huge Yorkshire puddings factory in Hull to learn how Aunt Bessie’s produces a staggering 500 million Yorkshire puddings every year.

Gregg Wallace visits two factories in Italy and Wales to learn how denim cloth is made and then transformed into one of the worlds most popular items of clothing - jeans.

Gregg Wallace visits a huge brewery in Dublin to learn how two million litres of an iconic Irish stout are produced every day.

Gregg Wallace visits a huge carpet factory in Devon to learn how it weaves 46,000 square metres of carpet every year.

Gregg Wallace is in West Yorkshire, visiting a huge factory that makes more than 5,000 sofas every year. Meanwhile, Cherry Healey learns about the science of light bulbs.

In this Christmas special, new presenter Paddy McGuinness and Cherry Healey visit a chocolate factory in Belgium that produces four million chocolate seashells every day. Cherry Healey is also in Belgium, learning the secrets of white chocolate production at the biggest chocolate factory in the world, and Ruth Goodman is in a city with a familiar-sounding name, Saint Niklas, exploring the European origins of Santa.

New presenter Paddy McGuinness visits a factory in Lincoln to explore how they make 500 million packs of Quavers every year. Cherry Healey learns how Bombay Mix is made, while Ruth Goodman reveals the wartime story behind our love of cheese flavouring.

Paddy McGuinness visits a factory that produces three million books every week. Cherry Healey is learning how an intricate design is printed onto cloth for the hard covers. Meanwhile historian Ruth Goodman uncovers the extraordinary origins of Braille.