Season
Season 9 Episode
Sworn to Secrecy: Secrets of War - Season 2 Episode 7 The Ultra Enigma
6.00 60 minutes In World War Two one of Germany’s best-kept secrets was the code machine “Enigma.” But this covert weapon would also become one of the greatest tools the Allies used against the Third Reich. British code breakers were behind the greatest campaign of deception in military history, changing the outcome of the Second World War.
