Season
- Season 22 1976-03-13
- Season 21 1975-02-15
- Season 20 1973-12-29
- Season 19 1972-09-23
- Season 18 1971-11-20
- Season 17 1970-11-14
- Season 16 1969-09-06
- Season 15 1968-09-07
- Season 14 1967-09-30
- Season 13 1966-10-01
- Season 12 1965-10-02
- Season 11 1964-09-19
- Season 10 1963-10-05
- Season 9 1962-09-15
- Season 8 1961-09-09
- Season 7 1960-10-01
- Season 6 1959-09-12
- Season 5 1958-09-27
- Season 4 1957-09-07
- Season 3 1957-01-12
- Season 2 1956-06-09
- Season 1 1955-07-09
