Sidney Freedman drops by the 4077th to try and find relief for his depression. He observes how the men and women of the 4077th are able to survive the terrible pressures of their jobs. In order to help with his depression and relieve his own pressures, he writes a letter to psychiatrist Sigmund Freud, and helps B.J. pull off a prank against Frank.
A congressional aide falsely suspects that Margaret is a communist sympathizer, but Klinger gets some real dirt on the visitor.
The final episodes of the series which was set in Korea during the war there in the early '50s, follows the antics of the medical staff of the 4077th M*A*S*H, or mobile Army surgical hospital.
Colonel Potter and a friend play a sophisticated April Fool's Day joke on the doctors.
An old and dear friend of Col. Potter's arrives with injuries sustained in a careless accident.
