M*A*S*H in the trailer it was rendered as "M*A*S*H". "M*A*S*H", a spin-off of the film, ran from 1972 to 1983, more than three times as long as the war it chronicled. It starred Alan Alda as Hawkeye Pierce and Wayne Rogers as Trapper John McIntyre. After the third season, Rogers left the show and was replaced by Mike Farrell as B. J. Hunnicutt. Another change was the addition of Harry Morgan as Colonel Sherman T. Potter, a veteran character actor and former Universal contract player, who replaced McLean Stevenson the same year. This series is the most popular and best-known version
M*A*S*H (TV series) was at risk of being cancelled. In season two, "M*A*S*H" was placed in a better time slot by CBS (airing after the popular "All in the Family"); the show then became one of the top 10 programs of the year and stayed in the top 20 programs for the rest of its run. It is still broadcast in syndication on various television stations. The series, which depicted events occurring during a three-year war, spanned 256 episodes and lasted 11 seasons. The Korean War lasted 1,128 days, meaning each episode of the series would have averaged almost four and a half