You're probably right - but spread out over centuries and not just in Salem (for the American centric audience Trek was made for) it just seems strange they staid as long as they did or couldn't avoid most of those problems, given their advanced knowledge and ability, at least in groups, to get away. And more than a little weird they landed on Earth and only there from the center of the galaxy. I wonder what visitors other alien races had or how often that sort of thing happens in the Trek universe. Who visited the Andorians, for example? So much to know, so vast is space and time. Just lucky Earth ships keep finding the visitors that came to Earth long ago.
Once Upon a Planet
Upon a return visit to the shore leave planet, it quickly becomes apparent something is wrong – the place has become dangerous, despite their full knowledge of its intended function. They all get away and return to the ship, except Lt. Uhura, who is now missing. Now captain Kirk, Mr. Spock, Dr. McCoy, and Lt. Sulu must risk their lives to rescue her, while Mr. Scott finds the ship has new troubles of its own.
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Once Upon a Planet
Revisiting the Shore Leave planet. Nice.
Once again Majel Barrett's voice with no real attempt at disguising it. And that purr is terrible.
Weird to trust the planet's programming to 'repair' people when it's clearly breaking its programming.
'Not in my wildest dreams would I think of that!' - That's a great line
It was a nice idea that the Shore Leave planet would grow a mind of its own and want to explore - and also that it would naturally assume machines ruled the galaxy. This episode got a lot of mileage of it that was very entertaining. I do have to dock it, though, for the ending of basically just convincing the machine to keep servicing humanoids without doing anything to improve its situation. Especially creepy after the episode repeatedly evoked the image of slavery with the computer clearly identifying as having been used as a slave.
Once Upon a Planet

Upon a return visit to the shore leave planet, it quickly becomes apparent something is wrong – the place has become dangerous, despite their full knowledge of its intended function. They all get away and return to the ship, except Lt. Uhura, who is now missing. Now captain Kirk, Mr. Spock, Dr. McCoy, and Lt. Sulu must risk their lives to rescue her, while Mr. Scott finds the ship has new troubles of its own.
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Gazing at one's reflection while humming is apparently Uhura's idea of R&R, I guess, but to each their own.
Of course, Uhura may just be fascinated by why her Enterprise insignia and rank stripes aren't reflected on her uniform. I know that would fascinate me. I'm not sure I'd be humming after such a realization, but that's me. At any rate, YMMV.
I guess the planet's master computer found her thoughts the most interesting or something since of them all, it captured her.
Think about music.
Uh uh!
It would seem for thousands of years the master computer has been growing in power and sophistication, and now it wants something more. But why now?
Topside, the landing party discovers the caretaker has died, finding his marker that states this fact in multiple languages and that he was the last of his race, too. We did not ever get this impression before, but then he may not have wished them to know he was the last of his kind, and when he said "we," he might have meant him and the computer, or maybe there were a few others yet. We just don't know. At any rate, what an incredibly advanced race they must have been, and what a mystery that they just died out.
After avoiding dangers no one was really thinking about, like a two-headed fire-breathing dragon or a giant cat, they plan to get underground by fooling the system into thinking Spock is dying so it would take him below, just as it had for McCoy when the knight ran him through years before, hoping the planet's automatic functions were still active. It works, and Kirk also slips in, unfortunately leaving McCoy and Sulu behind to fend off hostile entities.
Below, they confront the machine who has been laboring under the misapprehension the Enterprise and other sky ships enslave its inhabitants – a familiar theme amongst carbon infestations – though Spock clears up the misunderstanding in short order. I guess Lt. Uhura couldn't make those misunderstandings clear herself, but Spock understands and communicates with machines better, so I'll let it go.
And while the computer felt enslaved before, now that it had a different perspective, it understands, and from that new POV, it found it could continue its service and learning and explore the galaxy by learning from space farers who stop in for R&R, all now without feeling enslaved.
So, you feel better now?
All is well, for now, and Captain Kirk orders shore leave to resume, though some have already jumped the gun.
I have to marvel at such technology, to create whole planets, read minds, and produce things like grand southern mansions in seconds, but with transporter and replicator tech, and more, I guess such things are possible. It just takes a massive amount of energy, and with free access to a nearby star, it's virtually free. It may be hard for us to grasp how an economy works in such a place, or why that alien culture built such a place for itself and for others, but I suppose it's possible.
Therefore, there's nothing too wrong in this episode, and I rather enjoyed it, just as I did the TOS: Shore Leave, though the original was slightly superior, and I certainly appreciate a call back to TOS without guking things up too badly. I'd say they did a good job here, so I gave it 7 out of 10.
Once Upon a Planet Transcript
http://www.chakoteya.net/StarTrek/TAS017.htm

Of course, Uhura may just be fascinated by why her Enterprise insignia and rank stripes aren't reflected on her uniform. I know that would fascinate me. I'm not sure I'd be humming after such a realization, but that's me. At any rate, YMMV.
I guess the planet's master computer found her thoughts the most interesting or something since of them all, it captured her.
Think about music.
Uh uh!

It would seem for thousands of years the master computer has been growing in power and sophistication, and now it wants something more. But why now?
Topside, the landing party discovers the caretaker has died, finding his marker that states this fact in multiple languages and that he was the last of his race, too. We did not ever get this impression before, but then he may not have wished them to know he was the last of his kind, and when he said "we," he might have meant him and the computer, or maybe there were a few others yet. We just don't know. At any rate, what an incredibly advanced race they must have been, and what a mystery that they just died out.

After avoiding dangers no one was really thinking about, like a two-headed fire-breathing dragon or a giant cat, they plan to get underground by fooling the system into thinking Spock is dying so it would take him below, just as it had for McCoy when the knight ran him through years before, hoping the planet's automatic functions were still active. It works, and Kirk also slips in, unfortunately leaving McCoy and Sulu behind to fend off hostile entities.
Below, they confront the machine who has been laboring under the misapprehension the Enterprise and other sky ships enslave its inhabitants – a familiar theme amongst carbon infestations – though Spock clears up the misunderstanding in short order. I guess Lt. Uhura couldn't make those misunderstandings clear herself, but Spock understands and communicates with machines better, so I'll let it go.
And while the computer felt enslaved before, now that it had a different perspective, it understands, and from that new POV, it found it could continue its service and learning and explore the galaxy by learning from space farers who stop in for R&R, all now without feeling enslaved.
So, you feel better now?

All is well, for now, and Captain Kirk orders shore leave to resume, though some have already jumped the gun.

I have to marvel at such technology, to create whole planets, read minds, and produce things like grand southern mansions in seconds, but with transporter and replicator tech, and more, I guess such things are possible. It just takes a massive amount of energy, and with free access to a nearby star, it's virtually free. It may be hard for us to grasp how an economy works in such a place, or why that alien culture built such a place for itself and for others, but I suppose it's possible.
Therefore, there's nothing too wrong in this episode, and I rather enjoyed it, just as I did the TOS: Shore Leave, though the original was slightly superior, and I certainly appreciate a call back to TOS without guking things up too badly. I'd say they did a good job here, so I gave it 7 out of 10.
Once Upon a Planet Transcript
http://www.chakoteya.net/StarTrek/TAS017.htm
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