M*A*S*H (TV series) debut of the Charles Winchester era. Whereas Gelbart and Reynolds were the comedic voice of "M*A*S*H" for the show's first five seasons (1972–1977), Alan Alda and newly promoted Executive Producer Burt Metcalfe became the new dramatic voice of "M*A*S*H" for Seasons 6–11. By the start of Season 8 (1979–1980), the writing staff had been completely overhauled, and with the departure of Gary Burghoff, "M*A*S*H" displayed a distinctively different feel, consciously moving between comedy and drama, unlike the seamless integration of its first five years. The end of the Vietnam War in 1975 was a significant factor as to why storylines
Alan Alda left the series, Alda gained increasing control, and by the final seasons had become a producer and creative consultant. Under his watch, "M*A*S*H" retained its comedic foundation, but gradually assumed a somewhat more serious tone, openly addressing political issues. As a result, the 11 years of "M*A*S*H" are generally split into two eras: the Larry Gelbart/Gene Reynolds "comedy" years (1972–1977), and the Alan Alda "dramatic" years (1977–1983). Alda disagreed with this assessment. In a 2016 interview he stated, "I don't like to write political messages. I don't like plays that have political messages. I do not think I am responsible