Gregg Wallace explores the factory that makes 700,000 toilet rolls a day and Cherry Healey gets the bum deal of following a flush through the sewers.

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 explores the Nottinghamshire factory that produces 250,000 jars of curry sauce each day. Cherry Healey helps harvest chillies.

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

Gregg Wallace is in Italy at an enormous pizza factory, where they produce 400,000 frozen pizzas each day.

Gregg Wallace is in Burton upon Trent at Britain’s biggest brewery, where they produce 3 million pints of beer a day.

Gregg Wallace is in Germany at a historic pencil factory where they produce 600,000 writing implements a day.

Gregg Wallace is in Gateshead at a cheese factory where they produce 3,000 tonnes of spreadable cheese every year.