Members of the 4077th Mobile Army Surgical Hospital care for the injured during the Korean War use humor to escape the horror and depression of the situation. Among the 4077's people are Capts Benjamin `Hawkeye' Pierce and `Trapper John` McIntire, Majs Margaret `Hot Lips' Houlihan and Frank Burns, and Cpl Walter `Radar' O'Reilly.
That's Show Biz - Part 1: Instant camaraderie develops between the personnel of a USO troupe and the MASH unit when the entertainers make an unscheduled stop at the camp. (S9 Ep21)
That's Show Biz - Part 2: The USO unit thanks the 4077th for their hospitality by staging a show for their new friends. The atmosphere is bittersweet when the troupe leaves. (S9 Ep22)
Father Mulcahy counsels a guilt-ridden GI who swapped tags with a dead colleague. BJ and Charles consider different ways of keeping a soldier-salesman quiet. (S9 Ep23)
The Army is starting a new MASH unit, and the staff of the 4077th fear they will be split up. They act unprofessionally in front of an army rep hoping he will reconsider. (S9 Ep24)
Hawkeye vents his frustration with the war by making a heartfelt plea to President Truman. Writing in stolen moments between surgeries, he urges an end to the war. (S10 Ep1)
BJ's pride is bruised when he finds out his wife is working as a waitress. After being cited for reckless driving, Colonel Potter takes driving lessons from Klinger. (S10 Ep2)
When Charles gets a week's worth of newspapers, he hoards them, much to the unit's dismay. A patient and a soldier are Asian brothers on opposite sides of the war. (S10 Ep3)
Snap Judgment: Klinger searches the black market for Hawkeye's stolen Polaroid camera. Unfortunately he is stopped on the way back to camp by military police who assume he is the thief. (S10 Ep4)
Snappier Judgment: Klinger is tried for the theft of the Polaroid camera and enlists Charles as his representation in court. Meanwhile, Hawkeye and BJ set out to catch the real thief. (S10 Ep5)
Twas the Day After Christmas: Some visiting British soldiers give Colonel Potter an idea for how to cheer up the 4077th after an especially dreary Christmas. (S10 Ep6)
Follies of the Living - Concerns of the Dead: Klinger develops a severe fever which baffles the doctors at the 4077th. Even more odd is Klinger's fevered ramblings. (S10 Ep7)
Margaret 'Hot Lips' celebrates her birthday by going to Tokyo for a date with a general. The camp helps an injured cow give birth with Klinger starting a betting pool. (S10 Ep8)
Hawkeye is outraged when a renowned war correspondent, Clayton Kibbee, arrives at the MASH unit to sensationalise the war rather than giving an honest report. (S10 Ep9)