Season 21 Episodes20
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Ranked #2 of 12 in Season 21•+0.3 vs season avg
NOVA delves into the history of secret communications and the people who wrack their brains to decipher them. The program probes the most celebrated of all cryptographic coups: the breaking of the World War II codes used by Japan and Germany and how codebreaking helped
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"Codebreakers" is episode 1 of NOVA season 21. It scored 8.0/10 from 10 votes, ranking #2 of 12 episodes this season (season average 7.7). It aired on January 18, 1994.