Season 1

September 30, 1973 | 14 Episodes

Season 2

September 22, 1974 | 14 Episodes

Season 3

September 28, 1975 | 14 Episodes

Season 4

September 19, 1976 | 14 Episodes

Season 5

September 18, 1977 | 14 Episodes

Season 6

September 10, 1978 | 14 Episodes

Season 7

September 9, 1979 | 14 Episodes

Season 8

September 14, 1980 | 14 Episodes

Season 9

September 13, 1981 | 14 Episodes

Season 10

September 12, 1982 | 14 Episodes

Season 11

September 25, 1983 | 14 Episodes

Season 12

September 23, 1984 | 6 Episodes