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S1:E3 Episode 3
First Aired: December 19, 2017
Sir David finds out how the best brains in Britain were recruited to help win a very secret war. From high-tech intelligence to undercover ops, he reveals how the real Qs of World War II defeated Hitler with their ingenious problem-solving and cutting-edge designs. A recently discovered cache of top-secret drawings reveals how Nazi tech boffins plotted to attack Britain on home soil.
