We all loved Alan Carr but what does it take to be a real traitor and what are the real consequences if caught? For many British traitors it wasn't a round table, a hug from Claudia, black Land Rover home and an interview on This Morning, real traitors faced the hangman and several were executed for treason.

In this epsiode we highlight three real traitors, two sentenced to death, the other escaped to be a Soviet hero.