As it was the final episode filmed they took a moment to pay tribute to the characters (except for Trapper John McIntyre) who had left the series before its conclusion.
It also introduces the character of Soon-Lee, who would play a vital role in the series' final episode and the short-lived spin-off AfterMASH.
Winchester reads a story in the newspaper about a new skyscraper in Los Angeles that will have a time capsule placed in its cornerstone.
Major Houlihan becomes enamoured with this idea and decides to place a time capsule to commemorate the 4077.
Father Mulcahy helps a distraught elderly Korean couple board a transport headed for a refugee camp, separated from their daughter in the middle of the fighting.
A shipment of wounded arrives, and one of the medics advises Colonel Potter of a helicopter that was sent earlier that day with a sniper victim.
Colonel Potter tells the medic that the helicopter never arrived, and orders Klinger to have it reported as MIA.
The pilot walked ahead 200 yards to find a safe clearing to land, and by the time he returned to the chopper, the engine was cool and ready to fly again.
Now that she's free, Klinger, Father Mulcahy, and Soon-Lee drive to the refugee camp to find her parents.
First he offers the broken fan belt from the helicopter, saying that the pilot's heroism is something that deserves to be remembered in 100 years.
Hawkeye then offers her Radar's teddy bear, saying it can stand for the soldiers who came as boys and went home as men.
offers her a fishing lure that belonged to Henry Blake, to stand for those who never made it home.
Father Mulcahy then offers her a pair of boxing gloves, saying that if countries in the future feel the need to go to war, they can use them to resolve their differences.
However, they did not inform 20th Century Fox, and the company soon sold the property where the box was located, unaware of its existence.