A psychiatrist (Anthony Holland) is sent to the 4077th to examine their behavior and decide whether they should be reassigned.

An inept North Korean bomber pilot provides entertainment for the camp, but prompts Frank to call for heavy artillery.

October 17, 1951 Radar writes about the typical shenanigans during a week at the 4077th: Hawkeye tries to romance a new Nurse; Trapper John loses a patient; Houlihan and Burns push Blake for Klinger's Section 8 (military) discharge; a wounded prisoner goes berserk in the O.R. Allan Arbus makes his first appearance as Dr. Freedman (here first-named Milton but later changed to Sidney). Laurence Marks and Sheldon Keller received a Writers Guild Award nomination for this episode.

Hawkeye and Trapper try to get the Army brass to report a "friendly fire" shelling near a South Korean village, and take responsibility for it. Despite the army rebuilding the village, Hawkeye still wants an admission of the truth. Hotlips and Frank insist on presenting their version but Hawkeye insists on reading about it in Stars and Stripes first before handing over Frank's evidence. To show their gratitude, Trapper kisses Hotlips and Hawkeye goes after Frank.

Hawkeye has been in the OR for so long, 20 hours, followed by a 2nd stint and a 3rd without rest, that he's going over the edge – and he's decided to put a stop to the war. During the night, he sends a telegram to President Harry S. Truman and another copy to the Secretary of the United Nations. The next day, after a night without rest, he again performs surgery for a total of 3 days straight without rest.

The 4077th tries to mother a wounded Korean boy who may have been orphaned. While with Hotlips and Frank, he wanders into the middle of the mine field. Trapper is trapped in the middle. Sister Theresa arrives with Kim's mother to pick him up.

Hawkeye tries to help a GI cut through Army bureaucracy so he can marry his child's Korean mother. Episode features Burt Young.

Henry is put on trial for charges made by Frank and Margaret regarding his command of the 4077th. Hawkeye blackmails Frank and Hotlips into withdrawing the charges. McLean Stevenson (Henry Blake) received a Primetime Emmy Award nomination for writing this episode.

Hawkeye writes a third letter to his father describing a bigoted soldier (Mills Watson), a live grenade in the OR, and home movies for Henry.

A lone sniper attacks the 4077th, forcing the camp into lockdown and deal with wounded while waiting for help from headquarters. Featuring Teri Garr.

Hawkeye and Margaret are the only ones able to work during a flu epidemic. Jackie Cooper won the Primetime Emmy Award for directing this episode.

Hawkeye and Trapper attempt to obtain an incubator for the 4077th. In this episode a crooked army colonel refers to selling, among other things, "the odd B-52," but this is an error by the writers as the B-52 did not enter service until after the Korean War. It is Radar who ends up delivering the goods.

A weekly poker game proceeds in spite of Radar accidentally hitting a civilian with a jeep and an enlisted man (John Ritter) holding Frank hostage in the showers. Edward Winter guest stars as Captain Halloran and would return in several episodes as Colonel Flagg. Episode also features Allan Arbus and Pat Morita. Gene Reynolds received Directors Guild Award and Primetime Emmy Award nominations for this episode.

Upsetting news from home makes Margaret examine her life and request a transfer. Linda Bloodworth and Mary Kay Place received a Primetime Emmy Award nomination for writing this episode.

Something stinks at the 4077th and it could be the new officers' club that bars enlisted men. Hawkeye then invites all of his "relatives" to the Officers Club after the General's son is allowed entry.

Henry endangers his marriage when he returns from Tokyo in love with another woman less than half his age, but when she visits camp she forgets all about Henry and secretly flirts with Hawkeye.

Hawkeye's efforts to secure a new pair of boots ends up in a never-ending game of horse trading.

A private with a big nose asks for prohibited plastic surgery. Episode features Stuart Margolin and Todd Susman.

A local farmer and his family claims the 4077th is on their land, while a Korean woman claims Radar is the father of her child. Loretta Swit does not appear in this episode.

Frank asks Hawkeye and Trapper to give him a hernia operation while there are no casualties but then the casualties start coming in. The PA announces the release of Nazi War Criminal Alfred Krupp; Historical fact: Alfred Krupp was pardoned January 31, 1951.

A vital supply line is cut at the 4077th, creating a rash of shortages and forcing people to bunk up together.

Hawkeye learns that a patient's own unit beat him up because he's gay, while Frank wants to give the soldier a dishonorable discharge.

Mail comes to the 4077th. Hawkeye and Trapper decide to take advantage of Frank's greed, Trapper is depressed after getting a letter and pictures from his daughters, while Klinger takes another stab at a discharge.

When a pair of intelligence officers from different agencies investigate perceived security risks at the 4077th, Hawkeye and Trapper decide to have some fun at their expense. Edward Winter makes his first appearance as Lt. Colonel Flagg (he previously appeared as Captain Halloran in the episode Deal Me Out).