1969 | 37 Episodes

Season 1 of Division 4 premiered on March 11, 1969.

1970 | 50 Episodes

Season 2 of Division 4 premiered on January 27, 1970.

1971 | 36 Episodes

Season 3 of Division 4 premiered on January 19, 1971.

1972 | 38 Episodes

Season 4 of Division 4 premiered on January 19, 1972.

1972 | 50 Episodes

Season 5 of Division 4 premiered on November 28, 1972.

1974 | 49 Episodes

Season 6 of Division 4 premiered on February 13, 1974.

1975 | 30 Episodes

Season 7 of Division 4 premiered on February 5, 1975.

1976 | 11 Episodes

Season 8 of Division 4 premiered on January 19, 1976.