Season 1 Mogul BBC One , 1965 Season 2 The Troubleshooters BBC One , 1966 Season 3 BBC One , 1967 Season 4 BBC One , 1967 - 1968 Season 5 BBC One , 1969 Season 6 BBC One , 1970 Season 7 BBC One , 1971 - 1972
, 1965