The first two episodes of Season 4 of M*A*S*H, "Welcome to Korea",, parts 1 and 2 aired on CBS-TV on September 12, 1975; it introduced audiences to B.J. Hunnicutt (Mike Farrell). Harry Morgan, who won an Emmy Award at the beginning of the previous season for his guest role as daffy Major General Bartford Hamilton Steele, introduced the role of Colonel Sherman T. Potter, the 4077th's new Commanding Officer, to TV viewers the very next week in the episode "Change of Command". The final episode, "The Interview", aired February 4, 1976. Both Colonel Sam Flagg and Major Sidney Freedman appear once, in the episode "Quo Vadis, Captain Chandler".