Season 1

January 28, 1973 | 13 Episodes

Season 2

September 16, 1973 | 24 Episodes

Season 3

September 10, 1974 | 24 Episodes

Season 4

September 19, 1975 | 24 Episodes

Season 5

October 7, 1976 | 24 Episodes

Season 6

September 15, 1977 | 22 Episodes

Season 7

September 21, 1978 | 25 Episodes

Season 8

September 20, 1979 | 22 Episodes