Season 1 BBC One , 1961 - 1962 Season 2 BBC One , 1962 - 1963 Season 3 BBC One , 1963 - 1964 Season 4 BBC One , 1965 Season 5 BBC One , 1966 Season 6 BBC One , 1967 Season 7 BBC One , 1968 Season 8 BBC One , 1969 Season 9 BBC One , 1969 - 1970 Season 10 BBC One , 1970 Season 11 BBC One , 1970 Season 12 BBC One , 1971 Season 13 BBC One , 1972 Season 14 BBC One , 1973 Season 15 BBC One , 1974 Season 16 BBC One , 2014 Season 17 BBC One , 2016 Season 18 BBC One , 2017
, 1961 - 1962