Take a whistlestop tour around the capital with black cab driver Harry Harris, as he looks at the fascinating history behind London locations with wartime links.
Harry Harris examines the story of Adolf Hitler's sister-in-law, Bridget Hitler, who was living in Highgate at the time that her brother-in-law invaded Poland. WATCH A CLIP
It's rumoured that Hitler had his eye on Senate House as a possible headquarters if the Nazis ever took London. Harry investigates whether the Luftwaffe had orders to avoid it in their bombing runs. WATCH A CLIP
The Bethnal Green tube tragedy: Harry speaks to a man who was present during the tragic incident at Bethnal Green tube station in 1943, when 173 people lost their lives due to a misfiring anti-aircraft rocket. WATCH A CLIP
Harry Harris heads east to the London Borough of Redbridge to investigate the secret bomber factory that was located at Redbridge Underground station. WATCH A CLIP
The first shot of World War II was fired 20 years, 9 months, 19 days and 18 hours after the last shot of World War I was fired.