Inside the Factory77%

Series 1: How Our Favourite Foods Are Made 2015 · 3 eps

1. 1 Bread Gregg Wallace, Cherry Healey and Ruth Goodman look at the production, science and history of bread in Britain. May 5, 2015 59m
2. 2 Chocolate Gregg Wallace, Cherry Healey and Ruth Goodman look at Britain's love of chocolate and visit one of the world's largest chocolate factories in York. May 6, 2015 58m
3. 3 Milk Gregg Wallace, Cherry Healey and Ruth Goodman look at Britain's history with milk and visit one of the largest fresh milk processing plants on earth. May 7, 2015 59m

Series 2 2016 · 6 eps

1. 1 Cereal Gregg Wallace receives a load of corn fresh off the boat from Argentina and follows its journey through the largest breakfast cereal factory in Europe. Jul 26, 2016 59m
2. 2 Crisps Gregg Wallace follows 27 tonnes of potatoes from a farm in Hampshire through the largest crisp factory on earth. Aug 2, 2016 59m
3. 3 Baked Beans Gregg Wallace helps to unload 27 tonnes of dried haricot beans and follows them on a journey through the world's largest baked bean factory. Aug 9, 2016 59m
4. 4 Bicycles Gregg Wallace visits Britain's largest bicycle factory, which produces 150 folding bikes every day, and joins a production line to make his own bike. Aug 16, 2016 59m
5. 5 Sweets Gregg Wallace helps to unload a tanker full of sugar from Norfolk and follows it through one of the oldest sweet factories in Britain. Aug 23, 2016 59m
6. 6 Shoes Gregg Wallace visits the UK's largest sports shoe factory to see how they produce 3,500 pairs of trainers every day. Aug 30, 2016 59m

Series 3 2017 · 6 eps

1. 1 Tea Bags Gregg Wallace receives some tea leaves from Kenya and follows them through the factory that produces one quarter of all the tea drunk in Britain. Jul 18, 2017 59m
2. 2 Pasta Gregg Wallace is at the world's largest dried pasta factory in Italy, where they produce 150,000 kilometres of spaghetti each day. Jul 25, 2017 59m
3. 3 Biscuits Gregg Wallace follows the production of chocolate digestives and discovers that we are all eating them the wrong way up. Aug 1, 2017 59m
4. 4 Fish Fingers Gregg Wallace explores the Grimsby factory that processes 165 tonnes of fish a week and produces 80,000 cod fish fingers every day. Jan 2, 2018 58m
5. 5 Sauces Ruth Goodman investigates the origin of Worcestershire sauce, as told by Mr Lea and Mr Perrins. Jan 9, 2018 59m
6. 6 Soft Drinks Gregg Wallace explores Ribena's Gloucestershire factory. Meanwhile, Cherry Healey is in the lab figuring out why fizzy drinks are so appealing. Jan 16, 2018 59m

Series 4 2018 · 9 eps

1. 1 Coffee How a factory in Derbyshire produces 175,000 jars of instant coffee every day, from green coffee beans to the freeze-dried final product. How roasting alters the chemical composit… Jul 17, 2018 59m
2. 2 Toilet Roll How a factory in Manchester produces 700,000 toilet rolls a day starting with spruce timber offcuts from Sweden, pulped and rolled onto 1.2-tonne 'mother reels'. How the water tre… Jul 24, 2018 59m
3. 3 Sausages How a factory in North Yorkshire produces 625,000 sausages a day, using machines that can fill 600 sausages in a minute. How low and slow shallow frying delivers the best combinat… Jul 31, 2018 59m
4. 4 Curry How a factory in Nottinghamshire produces 250,000 jars of curry sauce each day. How chillies are harvested on small farms in India, dried, packed down, and processed into chilli p… Aug 14, 2018 59m
5. 5 Potato Waffles How a factory in Lowestoft produces 450 tonnes of frozen food each day. The differences between waxy and floury potatoes, and which you should use for which job. How the potato's … Feb 26, 2019 59m
6. 6 Pizza How a factory in Italy produces 400,000 frozen pizzas each day. The science that makes mozzarella work so well on pizza. How pork is transformed into pepperoni. How freezer ships … Mar 5, 2019 59m
7. 7 Beer How Britain's biggest brewery produces 3 million pints of beer a day in Burton upon Trent. How four basic ingredients – water, malted barley, hops and yeast – are manipulated to m… Mar 12, 2019 59m
8. 8 Pencils Gregg Wallace is in Germany at a historic pencil factory where they produce 600,000 writing implements a day. Cherry Healey examines the astonishing properties of graphite. Histor… Mar 19, 2019 59m
9. 9 Cheese How a cheese factory in Gateshead produces 3,000 tonnes of spreadable cheese every year - making cheddar, chopping and blending it with whey, water, and other ingredients. How bac… Mar 26, 2019 59m

Series 5 2019 · 9 eps

1. 1 Cherry Bakewells How a factory in Stoke-on-Trent produces 250,000 little cherry bakewell tarts every day - from what makes a shortcrust pastry 'short' to the team of 12 precisely placing the cherr… Jul 30, 2019 55m
2. 2 Wax Jackets How a factory in South Shields produces 650 water-resistant waxed jackets a day - from 500-metre-long rolls of undyed cotton, to dipping the finished fabric into baths of heated w… Aug 6, 2019 55m
3. 3 Croissants How a factory in France produces 336,000 croissants every day - from the 21 tonnes of butter, to the 83-year-old strain of yeast that packs a flavourful punch, to the layering of … Aug 13, 2019 55m
4. 4 Mattresses How a factory in Leeds produces 600 bouncy beds every day - from making steel into springs, to their placement in individual pockets and covering in natural fibres like hemp and w… Aug 20, 2019 55m
5. 5 Pasties How a bakery in Cornwall produces 180,000 Cornish pasties a day. There are rules: A Cornish pasty must be made in Cornwall; the filling can only contain onion, potato, swede, beef… Apr 7, 2020 55m
6. 6 Pots and Pans How a foundry in France produces a cast iron pot every five seconds - from the arrival of 20 tonnes of crude iron right through to brightly coloured orange casserole dishes. How a… Apr 14, 2020 55m
7. 7 Soup How a factory in Wigan produces two million tins of soup a day. Vegetable soup is followed from a pea harvest in Yorkshire right through to the finished soup going into cans and b… Apr 21, 2020 55m
8. 8 Liqueurs How a factory in Ireland produces 540,000 bottles of liqueurs a day. From grain, to barrel aging, to mixing cream and whiskey together, the show traces the production of a cream l… Apr 28, 2020 55m
9. 9 Cereal Bars How a factory in Essex produces 400,000 cereal bars a day - from nuts to cranberries and sultanas to puffed rice, with a carefully balanced blend of honey and glucose binding it a… May 5, 2020 55m

Series 6 2020 · 3 eps

1. 1 Cider How the world's biggest cider producer makes more than 350 million litres each year - from orchards in Herefordshire, to the mill in Ledbury, to fermentation and bottling at the f… Dec 27, 2020 59m
2. 2 Socks How a Leicester factory makes one and a half million socks annually. What causes smelly feet, and which socks tackle it best. How a cotton spinner in Manchester produces 4,200 mil… Jan 5, 2021 59m
3. 3 Yoghurt How one million pots of yoghurt are produced every 24 hours in rural Somerset - from the Friesian cows that provide the milk to the processing, culturing, and packing processes. H… Jan 12, 2021 59m

Series 7 2021 · 17 eps

1. 1 Christmas Cards How Woodmansterne produces 35 million greeting cards a year in Watford - from sketching a card design, to creating an aluminium plate for printing, to guillotining the sheets into… Dec 22, 2021 59m
2. 2 Diggers How JCB make as many as a hundred iconic yellow diggers every single day in Rocester, Staffordshire, requiring just 45 hours to make a digger from scratch, and consuming 650 tonne… Dec 29, 2021 59m
3. 3 Malt Loaf How the largest malt loaf factory in the world makes the sweet and squidgy cake-cum-bread, a popular teatime treat consumed at the rate of 130 million a year. How a British baking… Jan 5, 2022 59m
4. 4 Chairs Gregg Wallace visits the Ercol factory in Buckinghamshire to follow the production of a Windsor chair. Cherry Healey investigates how sitting too much could be very bad for our he… Jan 12, 2022 55m
5. 5 Leather Boots 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 tha… Jan 19, 2022 55m
6. 6 Tortilla Chips How the biggest tortilla factory in Europe makes 60,000 tonnes of snacks every year in Coventry, including their UK bestseller: chilli heatwave flavour tortilla chips. Tasting the… Jan 26, 2022 55m
7. 7 Mugs How Denby - potterymaker since 1809 - produces one of their best sellers, the Halo Heritage mug, in Derbyshire. The journey starts at the factory's 100-metre-long, 100,000-tonne m… Feb 2, 2022 55m
8. 8 Ice Cream How a family-run factory in rural Aberdeenshire churns out fifty thousand litres of dairy ice cream every day. How best to stop 'brain freeze.' How sprinkles are made. How ice cre… Feb 9, 2022 55m
9. 9 Vacuums How a 32-acre site in Somerset makes 1.2 million Henry vacuum cleaners every year. Feb 16, 2022 59m
10. 10 Trains How Alstom builds a 187-tonne, five-carriage electric train on their 84-acre site in Derby. How the train's aluminium is made at the UK's last remaining smelter in Scotland. How t… Aug 1, 2022 59m
11. 11 Buses How London's famous red double-decker bus - including a fully electric model - is built in Scarborough, Yorkshire, highlighting the tough laminated heated windscreens and bright r… Aug 8, 2022 59m
12. 12 Jaffa Cakes How a factory in Manchester churns out 6 million Jaffa Cakes every single day - 1.4 billion per year. The legal significance of whether Jaffa Cakes are cakes or biscuits. Apr 4, 2023 58m
13. 13 Pork Pies 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… Apr 11, 2023 59m
14. 14 Crumpets How a factory makes 432 million classic British crumpets every year from a precise combination of ingredients, using some clever chemistry to create their famous 'holey' texture. … Apr 18, 2023 58m
15. 15 Vegan Sausages The futuristic process by which Heck churn out up to 90,000 vegan sausages a day in Yorkshire. How Canadian soy beans are transformed into protein-packed tofu. How a vegan superfo… Apr 25, 2023 59m
16. 16 Rice Pudding Gregg Wallace explores the Ambrosia factory in Lifton, Devon, to reveal how it makes up to 360,000 rice puddings every single day. How fresh water from the Alps is used to grow mo… May 2, 2023 59m
17. 17 Mints How Polos produce 32 million mints every day in York - part of the 19,000 tonnes of mints consumed every year in the UK. The largest sugar beet factory in Europe. How one of the l… May 9, 2023 59m

Series 8 2023 · 10 eps

1. 1 Yorkshire Puddings How Aunt Bessie's produce a staggering 500 million Yorkshire puddings every year in Hull. How wheat is tested before it can be milled into flour. How to cook the perfect gravy for… Dec 27, 2023 58m
2. 2 Jelly Beans How Jelly Bean Factory make ten million of their colourful little sweets every day in Dublin. The important role glucose plays in our bodies. How one of the ingredients in jelly b… Jan 3, 2024 59m
3. 3 Jeans How denim cloth is made, and how Welsh jeans brand Hiut transform it into one of the world's most popular items of clothing - jeans. How zippers are made. How denim is distressed … Jan 9, 2024 58m
4. 4 Stuffed Pasta How Dell Ugo make 500 million stuffed pasta parcels every year in Hertfordshire. How Cromer on the Norfolk coast still use traditional fishing techniques to catch the crab for stu… Jan 16, 2024 59m
5. 5 Stout How Guinness make two million litres of Irish stout every single day. How reservoir water is treated to provide clean drinking water to the people of Dublin, as well as to the sto… Jan 23, 2024 58m
6. 6 Bath Bombs How Lush produce an astonishing 14 million bath bombs every year in Dorset. How taking a hot bath can provide some of the benefits of exercise. How a lab grows human skin for cosm… Jan 28, 2024 58m
7. 7 Carpets How Axminster produces 46,000 square metres of carpet every year in Devon. The science behind the best ways to remove stubborn stains from carpets such as butter, milk and red win… Feb 4, 2024 58m
8. 8 Chocolate Bars How Nestle make more than eight million bars of chocolate every day in York - the UK's city of chocolate. How a cocoa plant quarantine facility in the Berkshire countryside is pre… Feb 11, 2024 58m
9. 9 Sofas How HSL make more than 5,000 sofas every year in West Yorkshire. The science of light bulbs, to create the perfect environment to snuggle up on the sofa. How foam padding is produ… Feb 18, 2024 58m
10. 10 Paint and Wallpaper How Farrow & Ball produce up to 200,000 litres of paint and 10,000 metres of wallpaper a week in Dorset. How a key ingredient in paint-making is mined in Devon. The art of hanging… Feb 25, 2024 58m

Series 9 2024 · 6 eps

1. 1 Chocolate Seashells 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 H… Dec 22, 2024 58m
2. 2 Sliced Bread Paddy McGuinness makes a wonderfully nostalgic trip to the Warburtons factory in his hometown of Bolton where, thirty years ago, he had a Saturday job cleaning the machines. Meanw… Jan 7, 2025 58m
3. 3 Cheese Curls 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 Rut… Jan 14, 2025 59m
4. 4 Flapjacks Paddy McGuinness visits a factory that makes forty million flapjacks a year. Meanwhile, Cherry Healey learns how oats can benefit gut health, and Ruth Goodman savours the history … Jan 21, 2025 59m
5. 5 Hardback Books 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. Meanwh… Jan 28, 2025 59m
6. 6 Sausage Rolls Paddy McGuinness visits a factory in Northern Ireland to learn how they make more than half a million sausage rolls every day. Cherry Healey discovers how black pudding is made, w… Feb 4, 2025 59m

Series 10 2025 · 6 eps

1. 1 Gingerbread Paddy McGuinness and Cherry Healey are in the festive spirit as they join factory workers in Market Drayton producing gingerbread Santa and reindeer biscuits for Christmas. Dec 23, 2025 58m
2. 2 Jammy Biscuits Paddy McGuinness and Cherry Healey visit a factory in south Wales that produces a whopping 4.4 billion biscuits a year. Jan 6, 2026 59m
3. 3 Oven Chips Paddy McGuinness and Cherry Healey visit a factory near Scarborough that produces an incredible 80 million chips every single day. Jan 13, 2026 58m
4. 4 Throat Lozenges Paddy McGuinness visits a medicine factory in Nottingham that’s helping to tackle the nation’s colds and flu, producing 230 million tablets and lozenges every single week. Jan 20, 2026 58m
5. 5 Breakfast Cereal Paddy McGuinness visits a huge factory in north Wales that churns out an incredible 120 million boxes of breakfast cereal a year. Jan 27, 2026 59m
6. 6 Lawnmowers Paddy McGuinness and Cherry Healey enjoy a summertime visit to a factory in Hertfordshire that produces 15,000 lawnmowers every year. Feb 3, 2026

Specials 2016 · 10 eps

1. 1 Christmas 2016 In this Christmas special, Gregg Wallace, Cherry Healey and Ruth Goodman explore the fascinating factory processes and surprising history behind our favourite festive treats. Dec 20, 2016 59m
2. 2 Christmas 2017 Exploring the fascinating factory processes behind Christmas cake, baubles, brandy and more. And why Christmas tree lights are called fairy lights. Dec 18, 2017 58m
3. 3 Christmas 2018 In this Christmas special, Gregg Wallace visits a factory which produces a staggering two million tins of festive chocolate assortments a year. Dec 17, 2018 59m
4. 4 Xmas Party Food Gregg Wallace is in Nottingham at an enormous party food factory where they produce 200,000 canapes every 24 hours. Dec 12, 2019 55m
5. 5 Keeping Britain Going: Toilet Roll Update Gregg catches up with the Essity paper mill in Manchester, which he visited back in 2018. The coronavirus crisis caused a huge spike in toilet roll sales. May 25, 2020 59m
6. 6 Keeping Britain Going: Baked Beans Update Gregg reconnects with the Heinz baked beans factory in Wigan which he visited back in 2016. The coronavirus crisis caused a massive spike in the sales of tinned goods, and the bak… Jun 1, 2020 59m
7. 7 Keeping Britain Going: Crisps Update Gregg reconnects with the Walkers crisps factory in Leicester, the largest crisp factory in the world, which he visited back in 2016. We Brits love a snack, and when the coronavir… Jun 8, 2020 59m
8. 8 Keeping Britain Going: Tea Update Gregg reconnects with the Typhoo tea factory in the Wirral near Liverpool, which he visited back in 2017. The coronavirus crisis caused tea bag sales to soar, and the factory has … Jun 15, 2020 59m
9. 9 Keeping Britain Going: Biscuits Gregg Wallace reconnects with the McVitie’s factory in Harlesden, north west London, which he visited back in 2017. The coronavirus crisis caused a huge spike in the nation's desi… Jun 22, 2020 59m
10. 10 Christmas Cards How Woodmansterne produces 35 million greeting cards a year in Watford - from sketching a card design, to creating an aluminium plate for printing, to guillotining the sheets into… Dec 22, 2021 55m