This is the story of Oleg Gordievsky, one of the West’s most valuable Cold War agents who risked everything to avert a third World War.

This is the story of the biggest surveillance operation in British history, and how British intelligence agencies and their allies thwarted the deadliest terror plot ever devised on home soil.

This is the story of the biggest spy swap between Russia and the United States since the Cold War involving Sergei Skripal, the victim of the infamous 2018 Salisbury Novichok attack.

This is the story of Robert Hanssen - a former FBI agent who systematically dismantled the United States’ network of undercover Soviet agents, from the inside out.

This is the story of eight filmmakers sent to Tehran to scout locations for a big budget, Hollywood-produced sci-fi fantasy film as depicted in the award-winning film Argo.

This episode tells the amazing story of Vladimir Vetrov, a high-ranking KGB officer and secret operative for the French Intelligence Service, during the Cold War.

This is the story of Viktor Bout, and he would become one of the most famous - or infamous - Russian businessmen in history.

In 1968, Dani Limor was recruited by Mossad. To this day, virtually all of Limor’s assignments remain classified.