WEBVTT
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Say what?!
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We have to learn all
the secrets of rockets.
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We have to come to understand
all that confusing math.
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So please, teach us how to calculate.
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It's true that I had a
side gig teaching math
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at university so I could keep myself
fed while I was writing code...
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But it isn't easy.
And you'll be starting from scratch.
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You're serious, aren't you?
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Hell yeah! Dead serious!
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Hell yeah! Dead serious!
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Because, well, we have to build
our return trip rocket before
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Senku's finished his moon rocket so that
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we can all be here to
celebrate our happy ending!
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Damn it!
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I came all this way to get away
from building that damn computer!
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Turns out building a rocket is no easier!
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Let me get this straight...
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We're building this vehicle,
this "rocket," out of these red rocks?
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Nah, we're processing it to Hell and back.
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Here's a rough sketch of
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the road map for making the raw
material for the rocket body.
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Red rocks
(Bauxite)
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Sodium
hydroxide
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Alumina
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An absolute crap-ton
of stupid powerful electricity
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Aluminum
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Fluorite
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Copper
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Magnesium
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Duralumin
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That's mega complicated and
challenging, but I'm pumped!
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So this is where we're using those
so-called "firefly rocks" we got in Spain.
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Looks like it's going to be some
more insanely time-consuming work.
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But that aside... what is this?
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"An absolute crap-ton of
stupid powerful electricity"?
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Yeah.
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There's a reason they call aluminum
"canned electricity."
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It takes a ridiculous amount
of electricity to make.
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For example, the aluminum that
went into the Apollo rocket...
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cost three billion yen
in power bills alone!
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And the only way we're going
to get a limitless supply of
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such immense power in the Stone World...
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...is a hydroelectric dam.
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Which is why we're taking
all these red stones
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to a country that's perfect
for doing hydro power.
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Where's the best country
for... water? Power?
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You're all familiar, aren't you?
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Somewhere with lots of peaks and
valleys, rivers everywhere...
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Oh, that's funny! We have both the
materials and a headquarters there.
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We've got just the spot, remember?
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Japan!
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All the towns of the
world will get together!
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And it just so happens we'll
be bringing all the materials
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to our homeland to build it there!
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Yeah.
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The moon rocket will be made in Japan.
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We've done a tour around the world
to gather materials for the rocket.
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Does that mean we're finally...
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Yeah, this is the last stop on
our worldwide city-building tour.
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For real?!
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Aw, yeah!
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There it is!
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Our destination is just
south of the equator:
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Indonesia!
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Lawl, rubber trees everywhere!
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We did gather some in
central South America,
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but it doesn't compare to
the true home of rubber.
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This is so great, I could cry.
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We can use all the rubber we can get.
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m 0 0 l 156 0 l 156 80 l 0 80
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Rubber City
founded!!
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It's been a long journey.
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We left Japan behind, crossed the
Pacific, and arrived in the Americas.
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We overcame countless challenges and
succeeded in starting Corn City.
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At each step of the way,
we brought people back to life.
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We built the city of superalloys,
the city of fluorite,
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the city of maths and fuel,
the city of aluminum...
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and lastly, this city of rubber.
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And now, finally...
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we're sailing back home to Japan
to be reunited with the others!
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The whole of humanity is
coming together for this.
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This might accidentally be the
first time in human history.
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Yeah!
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We're all coming together!
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We're building it.
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We're building a round-trip
rocket that'll let all of us
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stand together against Why-Man.
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Yeah. We're getting everyone...
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out of petrification!
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We're building the rocket in Japan.
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We need everyone to work their asses off!
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You could afford to be a
little more sentimental.
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I wish we could tell Ruri-nee
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and the others who are petrified
that we're almost through this hell.
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I think the actual hell comes
after they're awake.
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What I really want is a gift or two
to bring home from our travels
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across the world.
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That's always been the plan.
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Huh? A gift?
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You're so nice. Such an awesome friend.
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No, knowing Senku-chan,
he's definitely scheming something again.
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We've been doing it all the time, no?
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Everywhere we've landed,
we made the local cuisine.
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Soul food will bring out the power
in all the people we wake up.
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True!
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Having familiar food makes all the
difference when you want to go all-out!
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I thought you just wanted
some to have for yourself.
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I definitely just want some for myself.
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We know.
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Japan's soul food...
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We're in luck!
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Look at all this wild rice that
just happens to be in season!
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It isn't luck.
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Senku-chan would have been screwed
if he ever counted on being lucky.
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He must have chosen to come at
the end of the journey in April,
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when the rice is ready after the rain.
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m 0 0 l 202 0 l 202 80 l 0 80
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Rice
acquired!!
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So this is it, huh?
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It's not that much.
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Well, nature does what it wants.
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Which is why we're getting humans
in the loop by making a rice paddy
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to really jack up production.
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Go ahead.
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Okay.
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All right, next.
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Got it.
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Therefore, if you know the lengths
of the three sides of the triangle,
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you can find its area.
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And by segmenting an area
into countless triangles,
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you can calculate the
size of any plot of land.
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A little to the right.
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Okay, go ahead and dig a
channel straight to this spot.
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Piece of cake.
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Perfect!
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Is it really a good idea
to plant crops so soon?
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Isn't it usually every
other year or something?
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It'll be fine, ten billion percent.
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There are no winters here.
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Right, we're just south of the equator...
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I don't get it at all.
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How could there be no winter?
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Triannual harvest.
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We plant and harvest three times
a year, with the power of science.
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We just need to rejuvenate the soil
with fertilizer after each harvest.
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Greed is good indeed.
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Yo, isn't this that stuff we got
right before we arrived in Australia?
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What was it... Those pink rocks he
made us dig up on that weird island.
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Yup.
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Albatross droppings from
the island of Nauru.
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Phosphate rocks.
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Phosphate rocks
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Nitric acid
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Plant ashes
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It makes for a powerful fertilizer.
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Hooah!
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m 0 0 l 176 0 l 176 76 l 0 76
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(A bounty of)
rice acquired!!
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We're in luck!
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This stuff has high amylopectin
content, even though it's Indica rice.
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Meaning it's similar to Japanese rice.
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In that case...
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It's amazing.
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I don't get it.
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It wasn't like I had rice balls
that often in the 21st century.
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There could be no better gift!
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Am I right?
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Let us now return to where we started!
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To Japan!
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'Sup, Soyuz?
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Senku.
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Kohaku-chan!
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Amaryllis!
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Huh?!
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We're on Treasure Island, aren't we?
Who's this Japanese uncle?
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That's right, I'm an
uncle from Japan. Sue me.
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So you're that Senku kid
I've been hearing about!
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My kids told me all about you!
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Yo, what's up with those dudes?
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They're on a bit of a special mission.
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A special mission?
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So, how's progress?
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R-Right.
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Well, we were all petrified, so we
didn't make all that much progress.
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The backup and resources from
the mainland have helped.
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You've really grown into
your head role, Soyuz-chan.
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Anyway...
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I'm more worried about Ruri-sama and
the others back on mainland Japan.
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There's a lot of people there.
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I wonder what's happened
since they were petrified.
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Yeah. It's time to go check.
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All the more reason to
hurry back to Japan!
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The team back home must be
working on some hard missions.
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I guess we weren't the only
ones going through hell.
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Here I was, getting jealous of how
much free time they must have.
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Why would you think that?
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Ten years since the new
Medusa petrified the world.
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After a trip around the planet...
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We return to Japan victorious!
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Kohaku! Thank goodness you're safe!
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You're more worried about
me than yourself, huh?
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You haven't changed, Ruri-nee.
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Wait, what happened to her arms?
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How is Ruri-chan so strong?
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Gotta keep in mind,
she and Kohaku are sisters.
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They're both gorilla-level brutes.
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It's been a while.
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And that's our one and only casualty.
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Chrome!
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Oh, crap, that's right!
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You were petrified all this time.
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We're the same age now, Ruri.
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It looks to me like you've
grown quite a bit, Chrome.
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I got it!
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Chrome and Ruri are in lovesies!
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Yup!
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Ain't no one in the village
who doesn't love Ruri!
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I-Is that so? I appreciate it.
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Aw...
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I guess they aren't making any progress
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because Chrome-chan's too much of a child.
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Child inside a man's body.
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Too bad Chelsea didn't go all
the way like she usually does.
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Man, you're amazing, Ruri.
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When did you find the time to make
this giant stone windshield wall?
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It would've been game over
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if the statues got smashed by
trees and whatever other debris.
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No, I don't recognize this wall.
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Chalk...
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Sagara...
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Of course...
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Chalk-chan and Sagara-chan aren't humans,
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so the petrification beam
never affected them.
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Good job hanging on for ten whole years.
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A stone wall...
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You've...
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You've been protecting
everyone all this time.
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I see.
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You both have families now.
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Bye-bye, Chalk, Sagara.
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You've woken up so many all at once.
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Are we going to have enough food?
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That's what the gift is for!
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Huh, they're back to get food.
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So much for that heartfelt farewell.
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Looks like we're going to be living
together, hunting and foraging and stuff.
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The rice dish that will help
provide strength for us all...
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Not rice balls?
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Have you forgotten the Japanese
soul food made from rice?
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m 0 0 l 233 0 l 233 100 l 0 100
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Sushi
acquired!!
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Everyone's gonna have to work extra
hard on the special mission now.
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What's that?
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The guys were talking about
it on Treasure Island, too.
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Yes, Senku-san designed something
for us to work on here in Japan
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while the rest of you
were traveling the world.
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A d-dam?!
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So we're using the hydro
power generated here
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to make the aluminum for the rocket body!
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The way it works is stupid simple.
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We're just stopping water with concrete.
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There was a dam from 1000 BC that
we were using in the 21st century.
21:14.620 --> 21:18.620
Chalk-chan and Sagara-chan must
have gotten the idea from this dam.
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I like it!
21:22.620 --> 21:25.480
They put bamboo inside the rocks?
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It's bamboo-concrete
instead of ferro-concrete.
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A dam just needs to withstand the
water pressure—the pushing force.
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So all you really need is bamboo
to reinforce it for the most part.
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We made parts all over
the world, gathered them,
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and leveraged the fact that
Treasure Island is close to the equator...
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It's coming together!
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Our special mission to build
the rocket launch site!
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We only have one enemy:
the mysterious Why-Man!
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Let us go forth into space!
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With the might of all humanity!
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This is exhilarating!
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Next Episode
23:54.970 --> 23:59.980
This is a work of fiction, but the plants,
animals, and production methods described are based on reality.
Foraging and making things on your own accord is extremely dangerous
and, in some cases, illegal. Please do not imitate without expertise.