Season 1

April 19, 1970 | 24 Episodes

Season 2

February 6, 1971 | 49 Episodes

Season 3

March 18, 1972 | 32 Episodes

Season 4

March 3, 1973 | 34 Episodes

Season 5

April 20, 1974 | 30 Episodes

Season 6

April 19, 1975 | 9 Episodes

Season 7

March 20, 1976 | 2 Episodes

Season 8

September 23, 1991 | 14 Episodes

Season 9

April 25, 1992 | 16 Episodes

Season 10

April 17, 1993 | 23 Episodes

Season 11

April 23, 1994 | 29 Episodes

Season 12

April 22, 1995 | 22 Episodes

Season 13

April 27, 1996 | 7 Episodes