number,season,episode,production code,airdate,title,special?,tvrage 1,1,1,"",0/Jul/71,"The State of England",n 2,1,2,"",7/Jul/71,"Pursuit",n 3,1,3,"",4/Jul/71,"Head of State",n 4,1,4,"",1/Jul/71,"The Logical Approach",n 5,1,5,"",7/Aug/71,"Quarmby",n 6,1,6,"",4/Aug/71,"Appearances",n 7,1,7,"",1/Aug/71,"This Is Quarmby",n 8,1,8,"",8/Aug/71,"The Dirtiest Man in the World",n 9,1,9,"",4/Sep/71,"I Want You to Understand Me",n 10,1,10,"",1/Sep/71,"The Nature of the Beast",n 11,1,11,"",8/Sep/71,"The Roman Empire",n 12,1,12,"",4/Sep/71,"The Killing Trade",n 13,1,13,"",1/Oct/71,"End in Dust",n