In Star Trek V: The Final Frontier, Kirk, Spock, and McCoy enjoy some quality time together around the campfire, musing about life, death, baked beans, and rowing boats gently down streams.

Kirk, Spock, and McCoy gathered around a camp fire in Yosemite National Park.

In particular, they have the following exchange:

KIRK: What are you doing?

SPOCK: I am preparing to toast a marshmelon.

McCOY: Well, I'll be damned. A marshmelon. Where did you learn to do that?

SPOCK: Before leaving the ship I consulted the computer library to familiarize myself with the customs associated with 'camping out.'

McCOY: Tell me, Spock. What do we do after we toast the marsh — er, melons?

SPOCK: We consume them.

McCOY: I know we consume them. I mean after that...

Spock holding a fresh 'marshmelon'.

Unless I am wrong, "marshmelon" does not seem to be an alternate name for "marshmallow", at least not traditionally.

In contemporary times, the word does appear to exist, for instance in the form "Marshmallon" in Yu-Gi-Oh!, but these instances are strictly post-Star Trek V.

In the exchange, McCoy is about to say the correct term, "marshmallow", but stops himself and says "marshmelon", emulating Spock. I am tempted to think that Spock made a genuine error — one that McCoy found funny. However, Spock is not known to make errors and always chooses his words carefully. Indeed, in the preceding film we are reminded of Spock's mental prowess and precision:

McCOY: He [Kirk] means that he feels safer about your guesses than most other people's facts.

All of this leaves me with a question:

Why did Spock say "marshmelon" instead of "marshmallow"?

Was he referencing some archaic or less common form of the word? Is it a 23rd-Century term for it? Did he simply make an error?

(Just to clarify, I am seeking an in-universe reason for how Spock arrived at this particular word. Out-of-universe, the fact that the scene was inserted for mild comedic relief is clear to me.)

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    Fun fact of the day: Marsh Mallow is a plant that grows in swamps. Its mucilage-rich sap, extracted from the roots, was once used to give marshmallows their fluffy texture, but most commercial marshmallows now use gelatin.
    – Wad Cheber
    Commented Jul 27, 2015 at 17:34
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    It served only to make a bad movie even worse.
    – BBlake
    Commented Jul 28, 2015 at 23:50

3 Answers 3


Spock didn't mispronounce the word, he was playing a practical joke on Bones.

In this instance Memory Alpha seems to be in (slight) error. In the official novelisation, it's made clear that Spock was very well aware that the file had been tampered with (by Bones) and chose to play along, intentionally mispronouncing the word for his own amusement:

"Indeed." The Vulcan paused. "I trust your grandfather was a better farmer than you are a programmer, Doctor." McCoy's blue eyes widened as he attempted an expression of complete innocence . . . and failed to achieve it. "Why, Spock, whatever do you mean?"

"The computer program. When I attempted to access information on camping out as you clearly surmised I would, the data revealed a number of most interesting errors...such as the term "marsh melons." The next time you attempt such a practical joke, Doctor, I recommend you take the time to also alter the cross-index files."

"I never touched the computer," McCoy protested.

Both Jim and Spock raised disbelieving brows at that. "You know me. I don't know a dad-blamed thing about computers. I paid one of the engineering maintenance workers good money to do it." McCoy grinned wickedly. "Sounds like I better ask for a refund." "You're incorrigible," Jim told him. "Me? What about Spock? He's the one who dragged this out, pretending to play along!"

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    Irrespective of whether it was done intentionally or not, if I say 'ineducated' as a joke, I'm still mispronouncing the word! Commented Jul 27, 2015 at 23:16
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    @N_Soong - He didn't mis-pronounce it though. He pronounced it precisely as he expected and wanted to.
    – Valorum
    Commented Jul 27, 2015 at 23:16
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    This answer could bring up a whole other question of what Bones really used to pay that engineering guy, who in a society that uses money only for dealings with external trading partners would have no use of good money...
    – BMWurm
    Commented Jul 28, 2015 at 7:27
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    @BMWurm: That's why he didn't get what he paid for.
    – Praxis
    Commented Jul 28, 2015 at 7:33
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    @Praxis Clearly, McCoy didn't think this through :P
    – BMWurm
    Commented Jul 28, 2015 at 7:37

It seems that Spock mis-pronounced the word

A search on Memory Alpha and Beta shows there is no such thing as a 'marshmellon' referenced elsewhere on those sites.

As further evidence for this, considering the following:

In the 23rd Century, they have a marshmallow dispenser.

The Memory Alpha page for Marshmallow (yes, that is a page surprisingly enough) indicates that:

In J.M. Dillard's novelization (and in the original script William Shatner contributed to) Doctor McCoy played a practical joke on Spock, reprogramming the computer to display "marshmelon" instead of "marshmallow". Although this wasn't filmed, the error in Spock's pronunciation and Doctor McCoy's delight in it are evident in the movie.

Considering the quote from the transcript where McCoy stumbles over the word, that indicates to me that he was enjoying the joke he had played on Spock, as pointed out in the above quote!

I also suggest you read Richard's answer below which explains that, according to the novelisation, Spock intentionally mispronounced the word.

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    See, cutting scenes like that is what made Star Trek V suck.
    – Omegacron
    Commented Jul 27, 2015 at 18:00
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    And this is why you need to look at the source. It's clear from the novel that Spock mis-pronounced the word on purpose.
    – Valorum
    Commented Jul 27, 2015 at 21:43
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    Huh, interesting. All this time I figured this was just intended as another echo of Spock's mind being a bit screwed up from the events of the previous few movies.
    – fluffy
    Commented Jul 28, 2015 at 5:21
  • @N_Soong : Both your answer and Richard's are excellent. It was a tough decision, but Richard's is more complete, given what he was able to find in the actual novelisation, and so I've awarded acceptance to his. But you do have a whack of upvotes, and so I'd like to think that you have both been appropriately awarded for your nice work! :-)
    – Praxis
    Commented Aug 1, 2015 at 13:24
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    Marshmellon is, I presume, what Elrond might call Amdír? :-p Commented Aug 19, 2018 at 17:03

Marshmallows are a human food and not one that you eat often, likewise it's not everyday that you go camping (especially when you are own planet consists mostly of deserts and mountain ranges). It's quite likely that Spock has never gone camping before and so it's only natural that he would do some background research on the customs and traditions associated with camping.

However, McCoy predicted this in advance and had the computer files changed on purpose to trick Spock and get a laugh out of it. The word 'marshmelon' itself is entirely made up by Bones for the purpose of the joke.

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    I don't think Bones "made it up". I grew up in the south (Tennessee), and when I was a child in the 70's, many of the older generation actually did use the term "marshmellon". I was so familiar with the term that the first time I saw this scene, I completely missed the joke! This doesn't invalidate the earlier answers... it's a great Bones-Spock moment, and one that the Trek universe would be poorer without. However, it seems that Bones, being the old Southern Gentlemen he was, might have heard of this old term, and used the colloquialism as part of his attempted joke on Spock. Commented Jul 29, 2015 at 0:35
  • @TerryLewis are you sure you're not thinking of a regional dialect name for muskmellon?
    – msw
    Commented Jul 29, 2015 at 15:06
  • @msw, I remember muskmellon being called "mushmellon", but not "marshmellon". Commented Aug 3, 2015 at 16:29

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