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  • S1

Season 1

Episode 1

Former Russian spy Alexander Litvinenko succumbs to a mysterious illness. Investigators race to find out the cause behind his death.

  • TV-14
  • S1, E1
  • December 15, 2022

Episode 2

Watched by the world, the Metropolitan Police follow the radioactive trail of polonium across London, leading them to their main suspects, Lugovoy and Kovtun.

  • TV-MA
  • S1, E2
  • December 15, 2022

Episode 3

A team of detectives led by Timmons's "best man," Brian Tarpey, arrives in Moscow to interview the prime suspects behind Litvinenko's murder.

  • TV-MA
  • S1, E3
  • December 15, 2022

Episode 4

With their investigation complete, Timmons's team submit their file to the Crown Prosecution Service, which charges Lugovoy and Kovtun with Litvinenko's murder.

  • TV-MA
  • S1, E4
  • December 15, 2022