“Could anything survive up there?” — 5ch questions the animals and robots left behind after Laputa’s collapse

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The story

At the end of Castle in the Sky, the Robot Soldier and various plants and animals are left behind in the sky after Laputa collapses — a scene that, thanks to a Yahoo! News article, sparked a thread on 5ch’s Geisoku Sokuho+ board. The thread pitted hard-nosed objections (“the stratosphere’s temperature and air pressure can’t support life”) against pushback of “don’t overthink a cartoon.” Things escalated further with notes that the film’s box office was actually underwhelming on release and only became legendary later thanks to the “Balse” meme craze, plus a bit of trivia that the final scene is an homage to the live-action film Silent Running — all of which turned into a broader reconsideration of how the movie is remembered.

“So that’s what it meant…” — the “almost too profound” meaning behind what was left after Castle in the Sky’s collapse

10/3 (Sat) 18:55

Animals and robots going about their business as if nothing happened

Source: news.yahoo.co.jp / Original article here

What people said

5AnonymousOct 4, 2026 12:30
Apparently this doesn't resonate with younger generations at all
9AnonymousOct 4, 2026 12:35
Re: #5
Even when it first came out, the box office barely did anything.
It didn't resonate back then either.
6AnonymousOct 4, 2026 12:33
If it rises that high, the trees would wither and the animals would all die off.
10AnonymousOct 4, 2026 12:36
Re: #6
It'll come back to life, again and again.
11AnonymousOct 4, 2026 12:36
It wasn't a livable environment to begin with — if they're surviving on some mystery power, they'd be fine anywhere.
12AnonymousOct 4, 2026 12:36
After Cagliostro and Nausicaä, both well-regarded films, Laputa's reputation dropped for being too kiddie.
Then in the internet era, people pushed the "Balse" thing so hard they basically fabricated the story that it was a huge hit.
13AnonymousOct 4, 2026 12:36
People keep calling it "godlike" but it's really nothing special.
24AnonymousOct 4, 2026 12:41
It only looks like they're alive — in reality everything's dead except the robot.

Re: #13
For a first feature, the entertainment value is the best there is.
Say what you want, it's a movie that sticks with you.
14AnonymousOct 4, 2026 12:38
In Ys II too, the flying city just came down to the ground like it was nothing.
Adol and the others walked out on foot.
15AnonymousOct 4, 2026 12:38
It's natural to assume they're protected by the sheer power of the giant flying stone and the super-science of that era.
Even in the middle of the storm, things stayed calm inside Laputa.
17AnonymousOct 4, 2026 12:38
The air's too thin and the temperature's too low — they'd freeze to death instantly.
18AnonymousOct 4, 2026 12:38
Mamo's actual body might still be drifting in orbit together with Laputa to this day… (Mamo — the immortal villain from the Lupin III film who was left floating in space at the end)
19AnonymousOct 4, 2026 12:38
The stratosphere's cold and the air's thin — the animals and plants would all be wiped out.
20AnonymousOct 4, 2026 12:39
That giant tree has no choice but to wither away after that, right?
22AnonymousOct 4, 2026 12:39
I showed it to my Indian friend and he said he had no idea what the movie was even about.
25AnonymousOct 4, 2026 12:41
Re: #22
Yeah, there's no dance number either.
23AnonymousOct 4, 2026 12:40
How would they survive without even water?
It's way above the clouds, so there's no rain and no water vapor, and at that altitude the temperature's below freezing.
Does the flying stone grant immortality and freedom from needing food or something?
28AnonymousOct 4, 2026 12:42
Re: #23
It's fine because it's high up in the sky of the Ghibli world.
Isn't that more interesting anyway?
26AnonymousOct 4, 2026 12:42
Every single time, after Laputa collapses, I end up scanning the falling rubble for Muska, like it's a game of Where's Waldo lol
27AnonymousOct 4, 2026 12:42
Fan: I'd love to see another film like Laputa.
Director: Then just go watch Laputa again.
29AnonymousOct 4, 2026 12:42
> "Now that we have satellite imagery, isn't it
> weird that Laputa is floating in the sky?"

People who think like this should probably just avoid fantasy stories altogether.
53AnonymousOct 4, 2026 12:54
Re: #29
That doesn't even make sense to begin with.
30AnonymousOct 4, 2026 12:43
Has anyone actually had Laputa juice?
32AnonymousOct 4, 2026 12:43
When I first saw it as a kid, that ending moved me so much I was left completely stunned.
34AnonymousOct 4, 2026 12:44
Laputa is kind of a collage of homages to various films, and that ending shot of the robot flying off to tend the plants is straight out of Dalton Trumbo's Silent Running.
35AnonymousOct 4, 2026 12:44
I mean, the whole premise of a crystallized stone reacting to a magic spell is already a stretch.
37AnonymousOct 4, 2026 12:44
An image song that never got its due.

40AnonymousOct 4, 2026 12:46
Re: #37
They're all dead in outer space by the ending lol
( ´◔‿◔`)
43AnonymousOct 4, 2026 12:49
Re: #37
That was the jingle for a soda called Laputa, wasn't it.
44AnonymousOct 4, 2026 12:49
Re: #37
It's giving off a faint glow, so something must be protecting it.
42AnonymousOct 4, 2026 12:48
If it climbs too high, wouldn't it just burn up?
49AnonymousOct 4, 2026 12:51
Re: #42
The upper atmosphere itself isn't hot.
Spacecraft heat up on reentry because the air around them gets compressed at tremendous speed, not because the atmosphere itself is hot.
67AnonymousOct 4, 2026 13:05
I think it rises all the way past the edge of the atmosphere — could the plants and the fox-squirrel actually survive in that state?
81AnonymousOct 4, 2026 13:14
Re: #67
Looks like an altitude where there's just barely still air
71AnonymousOct 4, 2026 13:09
This is what happens when you try to force logic onto it.

This is exactly the kind of thing you should just let slide with "don't sweat the small stuff" lol

People rack their brains over nitpicky logic for a cartoon, but then say "don't sweat the small stuff" about real life.

Isn't that backwards lol
82AnonymousOct 4, 2026 13:15
Re: #71
Flip it around though — a cartoon has no "correct answer," so you can slap together as much irresponsible pseudo-logic as you want.

In reality there are hard facts, so that's where it gets inconvenient lol
73AnonymousOct 4, 2026 13:10
It was already higher up than a mountain peak to begin with, and if it climbs even further, mammals are definitely toast. (ホロン部/"holon-bu" — net slang for "done for")
74AnonymousOct 4, 2026 13:10
Re: #73
Guess only tardigrades would make it.

Background and key points of this discussion

Castle in the Sky came out in 1986, but at the time its distribution revenue wasn’t especially high among Ghibli’s flagship films — it only gained its legendary popularity later through TV reruns and the internet culture of mass “Balse” callouts. The thread comments claiming “it didn’t resonate even back then” and “the smash-hit status was fabricated through the Balse craze” reflect this history and aren’t necessarily wrong. Meanwhile, the main thrust of the debate is whether it makes scientific sense for only the robots, plants, and animals to be left behind in the stratosphere after the ending — with a sympathetic reading (“they’re fine thanks to some immortality-granting power”) sitting alongside a resigned “just let the small stuff go” attitude, and neither is meant as a knock against the film, which is easy to misread. There’s also the point, raised only once in the thread but worth noting, that the ending shot draws its composition from the live-action sci-fi film Silent Running.

※This article is compiled and summarized from the 5ch (Geisoku Sokuho+) thread “[Movie] “So that’s what it meant…” — the “almost too profound” meaning behind what was left after Castle in the Sky’s collapse.”

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