Season 1

January 14, 1972 | 14 Episodes

Season 2

September 15, 1972 | 24 Episodes

Season 3

September 14, 1973 | 24 Episodes

Season 4

September 13, 1974 | 25 Episodes

Season 5

September 12, 1975 | 24 Episodes

Season 6

September 24, 1976 | 25 Episodes