Season 1

March 14, 1968 | 3 Episodes

Season 2

March 6, 1969 | 4 Episodes

Season 3

March 5, 1970 | 4 Episodes

Season 4

February 4, 1971 | 4 Episodes

Season 5

January 13, 1972 | 4 Episodes

Season 6

February 8, 1973 | 5 Episodes

Season 7

March 21, 1974 | 4 Episodes

Season 8

March 6, 1975 | 5 Episodes

Season 9

January 10, 1976 | 4 Episodes

Season 10

February 10, 1977 | 4 Episodes

Season 11

March 2, 1978 | 4 Episodes

Season 12

March 15, 1979 | 4 Episodes

Season 13

February 7, 1980 | 2 Episodes