Five-Second Foreshadowing: The levity of the barbecue is bitterly concluded when Radar gets up and there is a transfixed expression on his face. Everyone else falls silent and looks to him. He turns to them and nods, giving them the dreaded announcement.
Getting Crap Past the Radar: A naive Radar asks during the sex lecture if he should roll down the tent flaps so the nurses don't hear the lecture. Henry skims over this by saying the nurses probably already know about sex.
Hawkeye: I know I've been spreading the word.
Heroic BSoD: Henry Blake suffers from this when a patient of his dies in post-op. This leads him to take a level in cynic and he almost orders the upcoming picnic and barbecue to be cancelled. Luckily, Hawkeye and Trapper are there to convince him not to.
Reality Ensues: Hypothermia, the deadly succumbing of a person to freezing temperatures, prevents a wounded soldier from bleeding to death.
Red Scare: Frank is of the opinion that the United States Army is in Korea to put an end to Communism.
Frank: We are here to stem the red tide, to finish off the commies once and for all. Everyone with half a mind knows as I do, that after Germany, we should've knocked out the Russkies, then clobbered the Chinese before they forced Chiang Kai-shek and his very beautiful wife off the mainland, to which I for once say they should be unleashed so that they can liberate the real Chinese people and restore the government that America has paid so many millions of dollars to help get.
Shown Their Work: Trapper gives a summary explanation and a demonstration of looking for the symptoms of hypothermia in a frozen patient.
Took a Level in Badass: Unlike previous awkward sexual health lectures, Henry's on his A-game for this one, putting Frank in his place after his jingoistic rant, and even swiping a magazine out of a distracted private's hands.
The Tag features the latest notice from the bulletin board in this manner.
Wrong Assumption: At Movie Night, Margaret mistakes the person touching her as being Frank or Henry Blake who are sitting on either side of her. She should have checked who was sitting in the row behind her.