Hawkeye is sent to a mental hospital; a freak accident causes Father Mulcahy to lose his hearing; Margaret worries about her post-war plans; Charles runs across a band of Chinese musicians; BJ is sent home, much to Hawkeye's dismay; Klinger decides to stay in Korea to marry Soon-Lee; a ceasefire is declared, ending the war.moreless
Margaret and Hawkeye work on a time capsule to commemorate their time in Korea; Rizzo and BJ goof around with a fake hand grenade; Klinger becomes smitten with a young, pretty Korean war criminal.
A wounded GI learns a painful lesson when he forms a recovery room friendship with the enemy soldier he's critically wounded. Meanwhile, Charles tries to avoid his responsibilities as the Charity Collection Officer.
A military strategist refuses to accept responsibility for the war games that have mortally wounded his own son. And Margaret develops laryngitis, as she is about to meet her hero, Dr. Chesler.
The 4077th faces a sleepless night as Charles's snoring keeps B.J. and Hawkeye from counting sheep. Meanwhile, Colonel Potter discovers that his son-in-law, Bob Wilson, has had an affair.
A United Nations delegation tours the 4077th - a Swede, a Hindu, and a British officer - and each leaves a lasting effect on the men and women of the camp.
When an Olympic runner assigned to the 4077th fails to materialize, Father Mulcahy must save the camp's honor in a high-stakes footrace against the 8063rd. Also, Winchester befriends a patient who stutters.
With the camp facing prohibition, and a severe medical supply shortage, during another heat wave, Hawkeye resolves to lift morale by importing a racy new movie.
Posing the theory that people will believe in anything, Charles and Hawkeye start a rumor that Marilyn Monroe plans to visit the 4077th, which gets everyone excited. Meanwhile, B.J. feels responsible when he's unable to rescue a wounded soldier, and is less than impressed when he is presented with a Bronze Star.moreless
It's Halloween at the 4077th, and the staff dons costumes and trade ghost stories. Father Mulcahy discovers a soldier alive that had been pronounced dead.
Margaret and her nursing staff are about to be inspected by Col. Bucholz. Meanwhile, Kellye is offended that Hawkeye is attracted to any nurse except her.