Seasons

Season 1

June 15, 1969 | 29 Episodes

Season 2

September 15, 1970 | 22 Episodes

Season 3

September 18, 1971 | 26 Episodes

Season 4

September 16, 1972 | 26 Episodes

Season 5

September 15, 1973 | 26 Episodes

Season 6

September 14, 1974 | 26 Episodes

Season 7

September 13, 1975 | 26 Episodes

Season 8

September 18, 1976 | 26 Episodes

Season 9

September 17, 1977 | 26 Episodes

Season 10

September 16, 1978 | 26 Episodes

Season 11

September 15, 1979 | 26 Episodes

Season 12

September 13, 1980 | 26 Episodes

Season 13

September 12, 1981 | 26 Episodes

Season 14

September 11, 1982 | 26 Episodes

Season 15

September 17, 1983 | 26 Episodes

Season 16

September 22, 1984 | 26 Episodes

Season 17

September 21, 1985 | 26 Episodes

Season 18

September 20, 1986 | 26 Episodes

Season 19

September 19, 1987 | 26 Episodes

Season 20

October 1, 1988 | 24 Episodes

Season 21

September 16, 1989 | 24 Episodes

Season 22

September 15, 1990 | 23 Episodes

Season 23

January 4, 1992 | 22 Episodes