Season 1 ITV1 , 1956 - 1957 Season 2 ITV1 , 1957 - 1958 Season 3 ITV1 , 1958 - 1960 Season 4 ITV1 , 1960 - 1964 Season 5 ITV1 , 1964 - 1965 Season 6 ITV1 , 1965 - 1966 Season 7 ITV1 , 1967 Season 8 ITV1 , 1967 - 1968 Season 9 ITV1 , 1969 Season 10 ITV1 , 1970 Season 13 ITV1 , 1971 Season 14 ITV1 , 1972 Season 15 ITV1 , 1973 Season 16 ITV1 , 1974