Exclusive access to some of the largest factories in Britain to reveal production secrets.
Episode 1
Cereal
Jul 26, 2016
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.
Episode 2
Crisps
Aug 2, 2016
Gregg Wallace follows 27 tonnes of potatoes from a farm in Hampshire through the largest crisp factory on earth.
Episode 3
Baked Beans
Aug 9, 2016
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.
Episode 4
Bicycles
Aug 16, 2016
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.
Episode 5
Sweets
Aug 23, 2016
Gregg Wallace helps to unload a tanker full of sugar from Norfolk and follows it through one of the oldest sweet factories in Britain.
Episode 6
Shoes
Aug 30, 2016
Gregg Wallace visits the UK's largest sports shoe factory to see how they produce 3,500 pairs of trainers every day.