Old Soldiers is the eighteenth episode of the eighth season of the CBS-TV series M*A*S*H; Directed by Charles S. Dubin, the episode was written by Dennis Koenig. W.C. Heinz, Richard Hooker, Ring Lardner, Jr., who all were co-writers for the 1970 MASH film, who were uncredited, also contributed as writers on the episode, which originally aired on January 21, 1980.