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Corrected entry: Between season 2 and season 3, the interior decoration of the officers' club changes radically. Up to season 2, it's furnished with wicker chairs and tables and has a picture of General MacArthur at the wall, from season 3 on, it has the familiar look with the tables made from tires and the unit insignia on the wall.

Doc Premium member

Correction: As you say, it happens in-between seasons. Given the 4077th's successful track record, the higher-ups may reward them with better equipment for the Officers' Club. (At one point, they save the life of an officer's son, and he gives them an upgrade to the club as well. Who's to say that hasn't happened more than once?).

Captain Defenestrator Premium member

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Corrected entry: In many episodes throughout the show, much is made of the supposedly extreme weather the people of the MASH unit faced (especially in "The Interview," the final episode of season four). In actual fact, Korea is in the temperate zone. Although high humidity would have made winter temps seem colder and summer temps hotter, staff from many places in the states would not find these extreme in the least. You can check out the temps at www.rao-osan.com/osan-info/korea/climate.htm.

Correction: Korean winters might usually be merely cold rather than bitter, but the winter of 1950 was bitter. Additionally, a lot of the fighting in that year was in the interior at high altitudes; Chosin Reservoir is about 1,000 m ASL. And at the Battle of Chosin Reservoir, the mercury bottomed out at -35°F (-37°C) - only 10°F warmer than the record lowest temperature ever recorded in Korea. Troops were fighting out in the open in these conditions, with little of no shelter, for some 11 days.And that's just the lowest temperature recorded by a trained meteorologist; some unofficial thermometers at the hospital broke the -50 mark.

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Corrected entry: It seems Colonel Potter has a love hate relationship with artillery/guns at the MASH. First, Potter orders Hawkeye to get rid of an artillery piece he received in lieu of payment of a gambling debt, for fear it will attract fire. In "Hey Doc", however, he loves the idea of having a tank in the compound to scare off snipers, with no concern that it too may attract fire. By the final episode, however, he again has an aversion to guns as he tires desperately to get a tank, left in the compound by a wounded member of the tank crew, removed as it is drawing fire.

Correction: The circumstances of the listed occasions are quite different. In case of Hawkeye's gun and the damaged tank, Colonel Potter does not want the camp to appear to be armed for fear of becoming a "valid military target" despite the red cross. In the sniper episode however, the camp already IS under fire, so Potter tries to find a remedy. A tank as a countermeasure to snipers actually makes sense from a military point of view: They can't hurt it, but it can hurt them. In my opinion, Potter is balancing risk against profit here. This is not a plot hole.

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Corrected entry: In the opening title sequence the two helicopters go in front of the mountain. If you watch the lead helicopter very carefully when it first goes in front of the mountain it disappears for a split second and reappears.

Correction: This is not correct. It is merely the angle and the cropping of the shot. The two helicopters do come together, then the shot changes for a split second, and in later episodes/series the cropping of the shot shows only one helicopter. However, in earlier episodes/series the shot is not cropped so tightly, and when it changes the second helicopter is very close to screen right and disappears off screen almost instantaneously.

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Corrected entry: Trapper John and Hawkeye have a gin still in the Swamp. Distilling gin requires a constant supply of freshwater, large amounts of juniper berries, coriander (and other flavourings), magnesium carbonate, and potassium carbonate. Burnt alum and pipe clay are needed for filtering. Where do they manage to find these things in war-torn Korea in the Fifties?

Correction: They are in a MASH unit. They could probably order most of the stuff as medical supplies. Some of the flavorings could be from the black market or sent from home. Also, they CALL it gin - but everyone pretty much agrees that it is mostly rotgut hootch - therefore, there are a lot of things that can be used for flavoring.

Zwn Annwn

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Corrected entry: I don't know the episode number; I have seen it a few times. Hawkeye is in the Col office with a few of the boys, they have a discussion and Hawkeye says "here's to 1984". Seeing the Korean war ended in 1953.

Correction: He is making a sarcastic toast to the political and social situation in Korea during the war, comparing to the dystopian world of Orwell's "1984".

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Corrected entry: Wouldn't Col. Flagg arouse suspicion to his superiors by regularly visiting an American medical unit? He wouldn't have been given orders on every occasion to check it out, and both Blake and Potter would likely have complained about his attitude towards their doctors (especially Hawkeye).

Andy Benham Premium member

Correction: Because Flagg was supposed to be an intelligence officer and only appeared in 6 episodes between 1974-1979 it is likely his visits may not have gained much attention from superiors and he would probably often work unsupervised and somewhat undirected. As for Blake and Potter, as well as the rest of the MASH unit, Flagg was largely considered a joke and hardly worth the effort to seriously bother over.


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Corrected entry: In the pilot episode, the MASH unit holds the raffle to send Ho Jon to medical school. In the rest of the series, Ho Jon is still at the MASH unit.

He's My Brother

Correction: According to IMDb character Ho Jon last appeared in "Ceasefire" aired 3/18/1973 in the second to the last episode of the first season. This would make sense for him to attend classes the following Fall term as in incoming freshman.


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Corrected entry: Throughout the series, several PA announcements are heard around camp, voiced by Sal Viscuso or Todd Susman. However, we never see anyone but Radar or Klinger manning the PA system, and as it is based in the clerk's office, it would seem odd for someone else to come in to make the announcements.


Correction: Too much of an assumption. I think this unknown soldier falls into the category I call "Invisible Characters": those people on some TV shows who are nearby, but are never seen. Among such characters are Pete's wife Gladys on December Bride, Carlton, the doorman on Rhoda, Norm's wife Vera on Cheers and, of course, Niles' wife Maris on Frasier.

Bob Blumenfeld Premium member

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Henry Blake: All I know is what they taught me at command school. There are certain rules about a war, and rule number one is that young men die. And rule number two is that doctors can't change rule number one.



When Klinger's walking with Captain Allen and the Stars and Stripes photographer, just before their introductions to "Ben" they pass an empty corrugated box with its flap open, and the recycling symbol can be seen on the flap. Recycling symbols were not in use until about 20 years later.



Season 4. Episode 1 "Welcome To Korea". At the end of the episode the new commanding officer, Colonel Sherman Potter, played by Harry Morgan is introduced. In Season 3 Episode 1 "The General Flipped at Dawn", Harry Morgan played Major General Bartford Hamilton Steele.