Over 350 years after the fact, 'The Great Fire' explores exactly what went down, hour by hour, street by street as the fire spread and destroyed almost every building within London's city walls. From the spark that set everything off at a bakers near Pudding Lane, to the warehouses by the Thames, to the blazing inferno that engulfed the entire city, the hosts present both old and new evidence to document the tragedy that caused £37 billion worth of property damage.