Dan Jones visits the exact location of the bakery where it started, Suzannah Lipscomb reveals how Londoners tried to save their belongings, and Rob Bell investigates 17th-century building materials and the prevailing weather conditions.

Dan Jones reveals why Londoners were desperate to stop the fire reach the Tower, Rob Bell looks at the bizarre 17-century methods of treating burns and Suzannah Lipscomb examines a controversial new theory about how many people died. They also examine how the authorities dealt with the 100,000 people who had lost everything and how a new city was built from the ashes.