"Majesty, we are at war!": Hitler invades Norway

"A bold and noble woman": Holland falls but its queen escapes

"A complete and utter shambles": The collapse of Belgium and France

"We shall conquer together, or we shall die together": The European exodus to Britain

"Something called heavy water": The resuce mission that changed the course of the war

"They are better than any of us": Polish pilots triumph in the battle of Britain

"My god, this is a lovely place to be!": The exhilaration of wartime London

"This is London calling": The BBC brings hope to occupied Europe

"The avalance of Vs": The first spark of European resistance

Spying on the Nazis: Cracking enigma and other European intelligence coups

"Mad Hatter's tea party": Soe and its struggle to set Europe ablaze

Factions, feuds, and infighting: The shock of exile

"Rich and poor relations": The European and Allies' fading importance

"The ugly reality": The Soviet threat to Poland and Czechoslovakia

"The England game": Soe's Dutch disaster

"Be more careful next time": Soe's debacle in France

"Heroism beyond anything I can tell you": Rescuing Allied airmen

A giant jigsaw puzzle: European spies prepare for D-Day

"A formidable secret army": The resurrection of Soe

"The poor little English donkey": Stalin and Roosevelt flex their muscles

Settling the score: Europe's liberation begins

"A tale of two cities": Warsaw and Paris rise up

"I was a stranger and you took me in": Defeat at Arnhem

The hunger winter: The Netherlands' looming destruction

"There was never a happier day": Coming home

"Why are you crying, young man?": The West turns its back on Poland and Czechoslovakia

"A collective fault": The shadow of collaboration

"The world could not possibly be the same": Planning for the future

"My counsel to Europe: Unite!": Postwar Europe bands together.

Part one: Fighting on. "Majesty, we are at war!" : Hitler invades Norway ; "A bold and noble woman" : Holland falls but its Queen escapes ; "A complete and utter shambles" : the collapse of Belgium and France ; "We shall conquer together

or we shall die together" : the European exodus to Britain ; "Something called heavy water" : the rescue mission that changed the course of the war ; "They are better than any of us" : Polish pilots triumph in the Battle of Britain ; "My God, this is a lovely place to be!" : the exhilaration of wartime London ; "This is London calling" : the BBC brings hope to occupied Europe ; "An avalanche of Vs" : the first spark of European resistance ; Spying on the Nazis : cracking Enigma and other European intelligence coups ; "Mad Hatter's tea party" : SOE and its struggle to set Europe ablaze ; Factions, feuds, and infighting : the shock of exile

Part two: Rule of the titans. "Rich and poor relations" : the European Allies' fading importance ; "The ugly reality" : the Soviet threat to Poland and Czechoslovakia ; "The England game" : SOE's Dutch disaster ; "Be more careful next time" : SOE's debacle in France ; "Heroism beyond anything I can tell you" : rescuing Allied airmen ; A giant jigsaw puzzle : European spies prepare for D-Day ; "A formidable secret army" : the resurrection of SOE ; "The poor little English donkey" : Stalin and Roosevelt flex their muscles ; Settling the score : Europe's liberation begins ; "A tale of two cities" : Warsaw and Paris rise up ; "I was a stranger and you took me in" : defeat at Arnhem ; The hunger winter : the Netherlands' looming destruction ; "There was never a happier day" : coming home ; "Why are you crying, young man?" : the West turns its back on Poland and Czechoslovakia ; "A collective fault" : the shadow of collaboration ; "The world could not possibly be the same" : planning for the future ; "My counsel to Europe... : Unite!" : postwar Europe bands together.