Specials

November 21, 1971 | 9 Episodes

Season 1

September 13, 1972 | 24 Episodes

Season 2

September 13, 1973 | 24 Episodes

Season 3

September 12, 1974 | 24 Episodes

Season 4

September 11, 1975 | 24 Episodes

Season 5

September 23, 1976 | 24 Episodes

Season 6

September 15, 1977 | 22 Episodes

Season 7

September 21, 1978 | 23 Episodes

Season 8

September 20, 1979 | 23 Episodes

Season 9

November 20, 1980 | 22 Episodes