1. Episode OneAired: May 9, 2003Blunt, Burgess, Philby and Maclean meet at Cambridge university and bond thro...
2. Episode TwoAired: May 16, 2003Burgess, Blunt, Philby and Maclean, still ardent communists and working for t...
3. Episode ThreeAired: May 23, 2003Chronicling the story of the most infamous double agents in British history. ...
4. Episode FourAired: May 30, 2003Burgess and Maclean are becoming liabilities for Soviet intelligence, and Phi...