1972 | 24 Episodes

Season 1 of M*A*S*H premiered on September 17, 1972.

1973 | 24 Episodes

Season 2 of M*A*S*H premiered on September 15, 1973.

1974 | 24 Episodes

Season 3 of M*A*S*H premiered on September 10, 1974.

1975 | 24 Episodes

Season 4 of M*A*S*H premiered on September 12, 1975.

1976 | 24 Episodes

Season 5 of M*A*S*H premiered on September 21, 1976.

1977 | 24 Episodes

Season 6 of M*A*S*H premiered on September 20, 1977.

1978 | 25 Episodes

Season 7 of M*A*S*H premiered on September 18, 1978.

1979 | 25 Episodes

Season 8 of M*A*S*H premiered on September 17, 1979.

1980 | 20 Episodes

Season 9 of M*A*S*H premiered on November 17, 1980.

1981 | 21 Episodes

Season 10 of M*A*S*H premiered on October 26, 1981.

1982 | 16 Episodes

Season 11 of M*A*S*H premiered on October 25, 1982.