On the episode of SPY GAMES: The Cold War was a terrifying time for every country involved with the threat of nuclear attacks. Stephanie Matteis investigates what went on behind the Iron Curtain, the role spies had during this frightening era and how Berlin became known as the City of Spies. Stephanie gets to the bottom of all the dirty laundry with ex-CIA agent Peter Earnest. Then Stephanie hears stories from both sides of the conflict from Ex-KGB officer Oleg Kalugin and ex-CIA agent Eugene Poteat and finds out what happened during the Cold War.