TV presenter and radio host Dermot O’Leary joins Al and James to discuss his passion for Second World War history. The Battle of Britain and the Battle of the Atlantic are two of Dermot’s particular interests, along with a fascination

Britain was the only country to prepare a resistance movement before it was needed. Andrew Chatterton joins Al and James to discuss the history of the auxiliary units, men who would operate behind the lines should the Nazis invade Britain.

How politicised was the Luftwaffe? Second World War aviation expert Victoria Taylor joins Al Murray and James Holland to examine the history of German airmen, Hermann Göring and the Nazification of the Luftwaffe.

Why did General Gavin not take the vital bridge at Nijmegen as soon as his 82nd Airborne Division landed in Holland? A hugely controversial decision to concentrate instead on the Groesbeek Heights is debated here by James Holland and Dutch