QI | How Did Choirboys Plan On Driving Hitler Mad?

12 May: On this day in 1949, the Berlin Blockade was lifted. Follow QI on Twitter ▶   / qikipedia   Follow QI on Facebook ▶   / officialqi   Follow QI on Instagram ▶   / theqielves   Subscribe on YouTube ▶    / theqielves   This clip is from QI Series K, Episode 11 , 'Kinky' with Stephen Fry, Alan Davies, Janet Street-Porter, Sandi Toksvig and Johnny Vegas.