Specials

January 1, 1970 | 1 Episodes

Season 1

March 20, 1973 | 23 Episodes

Season 2

September 10, 1974 | 22 Episodes

Season 3

September 9, 1975 | 22 Episodes

Season 4

September 21, 1976 | 22 Episodes

Season 5

September 27, 1977 | 10 Episodes

Season 6

October 29, 1988 | 5 Episodes