On his way to some R&R in Tokyo, a North Korean soldier forces Hawkeye to perform an emergency roadside operation on his buddy

Members of the 4077th share their impressions of war in response to letters from fourth graders in Hawkeye's hometown. Margaret writes about how there are some patients she will never forget, whilst the Colonel tells of his days as 'Hoops' Potter. Hawkeye: "Dear Ronnie, it's a shame to let the love you have for your brother turn to hate for others

A jilted Italian soldier, Corpsman Ignazio De Simone, is smitten by Margaret; Klinger pours a cement floor in the operating room to fight the spread of germs

Margaret has trouble pretending she's a chip off the old block when her dad, blood and guts "Howitzer" Al Houlihan, arrives for a visit. Also, Hawkeye fixes up a soldier who repays them with a large side of steak, but the general who it belongs to is really steamed

Hawkeye, B.J., and Margaret try to save the life of a critically injured solider so that his family won't think of Christmas as the day that their father died

On New Year's Eve, the staff looks back on the highlights of 1951: The doctors invent an artificial kidney machine; Mulcahy plants a garden; Margaret takes up knitting; and Klinger and Winchester bet on which baseball team will win the pennant

Klinger is so depressed by news that his ex-wife plans to remarry, he reenlists for an additional six-year hitch. Meanwhile, a male nurse has a gripe against the army

Winchester takes command during Potter's absence; and B.J. and Hawkeye try to convince the Marines to grant a hardship discharge to an immigrant soldier, Private Jost Van Liter

Hawkeye uses a bottle of vintage wine to lure unsuspecting nurses into his den; and Potter tries to secure a different sort of anesthetic when the army threatens to ban a painkiller

Klinger saves Winchester's life when an explosion rocks the operating room; and B.J. is reluctant to reveal the extent of his injuries after the blast

Margaret develops a case of prickly heat, Charles does his tax returns, and Klinger takes the P.A. apart - just some of the events, which occur during another unendurably, hot night at the 4077th

Klinger's army newspaper reports on Hawkeye's monument to military stupidity; a giant tower made from a half million erroneously shipped tongue depressors

Hawkeye wagers that he can go a full day without a wisecrack, and Winchester finally confronts the major who exiled him to the 4077th. Charles: "I will not, even for a return to that pearl of the Orient, Tokyo, lie to protect you while destroying a friend's career."

Winchester is sent to inspect sanitary conditions on the frontlines, while the rest of the camp plans a surprise anniversary party for B.J

One of Margaret's nurses tries to hide her severe drinking problem, and Hawkeye is scorned after a practical joke he plays on Winchester backfires

Colonel Potter nearly blows his stack when his well-intentioned colleagues mollycoddle him in order to lower his blood pressure

When Hawkeye can't stop a sneezing fit that has no apparent cause, psychiatrist Sidney Freedman digs into the surgeon's past for a clue to this unusual malady

Hawkeye is overcome by the devotion of a terminally ill G.I., who has leukemia, for his critically wounded buddy, but he has trouble coming to terms with the fact that he can't cure the man

The 4077th is given a gift of fresh-grown vegetables by a grateful Korean; and Potter questions the veracity of an upbeat letter from Radar

After Charles is nearly felled by a sniper's bullet, he develops a philosophical obsession with death. Meanwhile, the officers have all been assigned new responsibilities