 First aired on 28 October 2001, this three part series seeks to dispel this popular myth and provide an argument that Britain is a nation whose history is instead defined by the fear of invasion.In episode one, "Fortress Britain", Cruickshank visits the sites of some little-known invasion attempts.In episode two, "The Bogeyman Is Coming", Cruickshank looks at Britain's response to the threat of French invasion by Napoleon's army in 1804.