When Lt. Willis wakes up after passing out from too much booze, the bottom of his t-shirt is up above his stomach. But as he sits up to get off the cot, the bottom of his t-shirt is all the way down over his stomach.
When Hot Lips and Frank are in Henry's office talking to him, Henry rests his head on his left hand and his right hand on the desk, but in the next scene he has his right hand near his face with his finger under his nose.
When Hawkeye and Henry are in the O.R. next to the wounded person, Henry has his hands up, but in the next scene, he is operating.
The camp's P.A. system announces that "tonight's movie is 'Flying Leathernecks' with John Wayne, Ward Bond and Maureen O'Hara.'" Bond and O'Hara are not in the film.
Throughout the episode, Lt. Hopkin's fingernails are almost an inch long. No nurse would have fingernails that long.
When Radar brings Col. Blake the LIP forms, he asks Blake if he remembers the Berlinger case. After some discussion it's revealed that it took a year and a half for the case to be resolved. If this were true Blake and Radar would have been together since late 1949 or early 1950. The Korean War didn't begin until July of 1950.
When Hawkeye and Walker are talking about Walker wanting to marry, Hawkeye says, "when it's time for the circumcision, come to me, not the cook." That procedure is usually done when a baby boy is seven days old. When the baby is crying, it can be seen to have two teeth, which makes the baby much older than seven days.
Hawkeye is reading the book "Badman's Roost" by Robert Trevathan. This book was published in 1963.
In the Korean language, Kim would be the surname/last name of the soldier's fiancée. Kim is a surname in Korea shared with 20% of the population. Hawkeye repeatedly refers to the girl as if Kim is her given name/first name.