Season 4

Episode Guide

Coffee

S4 E1
Sep 26, 2022
A visit to a coffee factory reveals the secrets of making instant coffee, from the arrival of green coffee beans to the packaging of freeze-dried granules.

Toilet Roll

S4 E2
Oct 3, 2022
An exploration into how toilet paper is made takes our team from a Swedish forest to a massive British factory that produces more than 700,000 rolls a day.

Sausages

S4 E3
Oct 10, 2022
A visit to the Heck factory in North Yorkshire shows the process of mixing, filling, boxing, and distributing hundreds of thousands of sausages every day.

Curry

S4 E4
Oct 17, 2022
A visit to the Premier Foods cooking factory reveals how the company cooks, packages, and distributes 250,000 jars of curry sauce every day.

Potato Waffles

S4 E5
Oct 24, 2022
A day at the Birds Eye frozen food factory reveals the complicated manufacturing processes that goes into producing nearly a million potato waffles a day.

Frozen Pizza

S4 E6
Oct 31, 2022
We visit a pizza factory in Italy to reveal the machinery and manpower that goes into manufacturing and packaging 400,000 pies a day.

Beer

S4 E7
Nov 7, 2022
A visit to Britain's largest brewery details the machines and processes involved in rolling out an astonishing three million pints of beer every day.

Pencils

S4 E8
Nov 14, 2022
We tour the Faber-Castell factory in Germany and explore the machines that craft their classic HB pencils at a rate of 600,000 a day.

Cheese

S4 E9
Nov 21, 2022
A visit to the Primula Cheese factory reveals the secrets to making spreadable cheese at a rate of over 115,000 tubes a day.