As a kid of the ’80s, MASH was always on in the background, its theme song playing just around bedtime. I never got past the intro before I had to turn the TV off, but years later, I gave the series chance — and I’ve loved it ever since.
MASH wasn’t just a TV show; it was a cultural phenomenon that brought families together. Its final episode in 1983 captivated nearly half the U.S. population and still holds the record for the most-watched prime-time episode to date.
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As you probably know, MASH was set during the Korean War, focusing on a group of doctors and nurses at a mobile army surgical hospital (MAS*H). They navigate the challenges of war, medicine, and personal relationships, all while using humor and heart to cope with the chaos around them.
It’s one of those shows that leaves a lasting mark, and now, as I revisit some of the episodes, I’m noticing the little-known mistakes and bloopers that make it even more fun to watch. Did you know about these?
Fatal case of hepatitis
Did you know that William Christopher, who played the lovable Father Mulcahy, once had a serious run-in with hepatitis during season five?
The illness nearly took him out of the show for good. Producers even considered writing Mulcahy off the series. But here’s where it gets good: Alan Alda, being the stand-up guy he is, wasn’t having it. He knew how important steady work was for Christopher, especially with his son’s autism.
So, Alda wrote a whole episode (Hepatitis) that cleverly incorporated Christopher’s illness into Mulcahy’s storyline. Talk about a good friend — and an even better solution to keep Father Mulcahy in the mix.
Frank Burns’ tumor prophecy
Here’s another intriguing bit of MASH trivia that will give you chills.
In the Hepatitis episode, the sharp-tongued Hawkeye (Alan Alda) is examining Frank Burns, and Frank casually mentions, “I do have a pea-sized tumor under my sternum.”
Well, as eerie as it sounds, the actor behind Frank, Larry Linville, actually passed away years later from a malignant tumor under his sternum. Sometimes life imitates art in the most unexpected — and slightly spooky— ways.
From one-episode wonder to fan favorite
Not many actors would be willing to wear dresses and skirts like Jamie Farr did as Klinger in MASH, but he pulled it off with incredible charm and humor. He truly nailed the role of Max Klinger, and honestly, the show wouldn’t have been the same without him.
But did you know that Farr was originally only meant to appear in one episode? However, he became such a fan favorite that he was made a regular on the show.
The truth about the dog tags
And those those dog tags Jamie Farr wore on the show? They were actually his real military dog tags from his time in the service before he became an actor!
Farr himself revealed in an interview on the Medicine and Martinis box set that the tags had his personal info, including his name, serial number, and even his religion. Talk about bringing authenticity to the role!
Did you spot the military mistakes?
In the classic season 2 episode For the Good of the Outfit, the show not only served up some iconic moments but also raised a few eyebrows when it comes to military accuracy. One of the most noticeable mistakes? A Bell Huey UH-1 helicopter hanging in Henry Blake’s office. The catch? The Huey didn’t even take its first flight until 1956, years after the Korean War setting of MASH. So, it’s safe to say that little piece of military history doesn’t exactly fit the timeline!
The death of Lieutenant Colonel Blake
The death of Lieutenant Colonel Blake in MASH was one of the most shocking and talked-about moments in TV history. Fans and critics alike were stunned when McLean Stevenson, who was leaving the show in 1975, was killed off in such an unexpected and dramatic way (plane crash on the way back to the States).
At the time, it was unheard of for a major character to be killed off so abruptly in a primetime series. While many were taken aback, the show’s writers and producers defended the decision, explaining it was meant to make a powerful statement about the brutal realities of war.
Producers made a pact
But story of Colonel Blake didn’t end with that shocking episode.
After receiving an overwhelming amount of hate mail following the shocking death of Lieutenant Colonel Blake, the show’s writers and producers made a pact.
They agreed that, in the future, if any actor decided to leave MASH*, they would never again give their character such a tragic send-off. The backlash was so intense that it led to a shift in how character departures were handled on the show.
The secret behind Radar’s left hand
Spanning over seven seasons from 1972 to 1983, Gary Burghoff starred in the series as the loveable Cpl. Walter ‘Radar’ O’Reilly, a naive farm boy working as the company clerk and sometimes bugler.
But did you ever noticte that Gary Radar had a little-known feature that he worked hard to keep out of the spotlight? Born with a condition called Poland syndrome, which causes the chest muscle to be underdeveloped and sometimes leads to webbed fingers, Gary would cleverly hide his left hand during scenes.
Whether it was holding a clipboard or keeping it tucked away in his pocket, he made sure the focus stayed on his acting and not on his hand.
Why Radar left M*A*S*H
After appearing on every episode for the first three seasons, it was reported that Burghoff’s demanding schedule was taxing on his family life, which resulted in reducing his character’s appearances to 13 episodes, down from his previous 24.
Season seven marked Radar’s departure, with a two-part farewell, Good-Bye Radar, that explained his discharge from the army.
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