Season 1

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  6.9/10258 votes

  High-Tech Surveillance and an Eye in the Sky

  Season 1 Episode 1 - Aired 1/20/2021

  In the spy game, if you can listen, you can learn, and gaining that crucial ability to eavesdrop has required some deeply creative ingenuity.

  Director: Unknown

  Writer: Unknown

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  7.2/10210 votes

  Deadly Poisons

  Season 1 Episode 2 - Aired 1/20/2021

  For some covert missions, the goal is not information, but assassination, and lethal toxins have been deployed by spy agencies to kill perceived foes.

  Director: Unknown

  Writer: Unknown

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  6.9/10192 votes

  Sexspionage

  Season 1 Episode 3 - Aired 1/20/2021

  As long as there has been espionage, sex and the promise of it have been powerful tools of persuasion and blackmail — practices that continue today.

  Director: Unknown

  Writer: Unknown

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  6.8/10168 votes

  Clandestine Collection

  Season 1 Episode 4 - Aired 1/20/2021

  Methods for covertly capturing sensitive data have grown infinitely more advanced as the devices used to do so have become exponentially smaller.

  Director: Unknown

  Writer: Unknown

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  7.0/10150 votes

  Covert Communication

  Season 1 Episode 5 - Aired 1/20/2021

  From old-school "dead drops" to high-tech digital transfers: Learn how intelligence officers actually acquire the information collected by sources.

  Director: Unknown

  Writer: Unknown

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  6.9/10148 votes

  Special Ops and the Saboteur

  Season 1 Episode 6 - Aired 1/20/2021

  Special ops require the very best people to execute them. But some of the most famous missions in modern history relied on elite technology as well.

  Director: Unknown

  Writer: Unknown

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  7.0/10139 votes

  The Code Breakers

  Season 1 Episode 7 - Aired 1/20/2021

  Encryption is a key tool for keeping valuable information secret — but some ingenious minds have managed to crack seemingly impenetrable codes.

  Director: Unknown

  Writer: Unknown

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  6.9/10146 votes

  Recruiting the Perfect Spy

  Season 1 Episode 8 - Aired 1/20/2021

  What leads someone to spy against their own nation? Motivations vary but tend to fall into one of four categories, as notorious cases demonstrate.

  Director: Unknown

  Writer: Unknown