In "Dear Dad", "Dear Dad ... Again", and "Dear Dad ... Three", Hawkeye composes letters to his dad about the goings-on at the 4077th.

Klinger proposes to Soon-Lee Han, a Korean woman, but much to his frustration, she insists that she can't leave Korea until she finds her family. Ironically, Klinger, who has been trying to get sent home for the entire run of the series, decides to stay in Korea of his own free will and help Soon-Lee with her search.

Hawkeye leaves Father Mulcahy a nickel, a reference to the time Mulcahy got away with getting revenge on a careless General by ruining the General's elegant meal (which was holding up dinner for everyone else in the camp) and the General promised that Mulcahy's life wouldn't be worth "a plugged nickel" if he wasn't a priest.

The 4077th prepares a party for the children at the orphanage and Hawkeye is chosen to be Santa Claus, but just as the party is about to begin, an emergency call comes about a critically wounded soldier at the front. So Hawkeye ends up being transported by helicopter and performing emergency surgery in costume.

M*A*S*H stands for Mobile Army Surgical Hospital.

Margaret insists that Frank's accident qualifies since it happened in a battle zone.

Although Margaret disapproves of Hawkeye's off-duty tomfoolery, she is able to set her personal feelings aside to appreciate his surgical skills. When she comes down with an appendicitis, she asks Hawkeye, not Frank, to perform the surgery.

In "The Colonel's Horse", everybody pitches in to save Colonel Potter's horse Sophie who becomes sick while Potter is away in Tokyo.

Sick and tired of being served the same meal (fish or liver and onions) for about a week, Hawkeye hatches a plan to get some ribs and barbecue sauce shipped in from a restaurant in Chicago. He orders 40 pounds of ribs and a gallon of sauce but forgets to order the coleslaw.

Hawkeye is temporarily blinded while trying to fix the nurses' gas furnace.