All language subtitles for E5.Chernobyl.720p.BR.HEVC @FILMTERMINAL

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I hear they might promote Bryukhanov.

This little problem we have
with the safety test,

if it's completed successfully...

Yes, I think promotion's very likely.

Who knows, maybe Moscow.

Naturally, they'll put me in charge
once he's gone,

and then I'll need someone
to take my old job.

I could pick Sitnikov.

I would like to be considered.

We'll keep that in mind.

Viktor Petrovich, preparations
for the test have gone smoothly.

Comrade Dyatlov's been working
per my instructions,

and Reactor 4 output's been
reduced to 1,600 megawatts.

With your approval, we're ready
to continue lowering power to...

We have to wait.

Is, uh...

Are you going to ask me
if there's a problem, Nikolai?

You can't read a fucking face?

Three years,
I've tried to finish this test.

Three years.

I've just had a call from
the grid controller in Kiev.

He says we can't
lower power any further,

not for another 10 hours.

A grid controller?
Where does he get off...

It's not the grid controller's
decision, Dyatlov.

It's the end of the month.

All the productivity quotas.

Everyone's working overtime.
The factories need power.

Someone's pushing down from above.

Not that we'll never know who.

(GRUNTS SOFTLY)

So, do we have to scrap it or what?

No, I don't think so.

If we need to wait 10 hours, we wait.

Running at half power, we're not
going to have stability issues?

- No, I should think...
- I'm not asking you.

DYATLOV: It's safe.

We'll maintain at 1,600.

I'll go home, get some sleep,
come back tonight.

We'll proceed then.

I'll personally supervise the test.

And it will be completed.

Well, I'm not waiting around, then.

Call me when it's done.

How do you feel?

You went to the doctor yesterday.
How is your health?

You don't know?

CHARKOV: From Vienna.

Do you read German?

It says, "At last a Soviet
scientist who tells the truth."

Obviously, I resent the insinuation,

but I think it's fair to say

you made an excellent impression
at the conference.

Turns out, you're quite good at this.

At what? Lying?

Statecraft, Legasov. Statecraft.

The West is now satisfied

that Chernobyl was solely
the result of operator error,

which it essentially was.

We have you to thank for that,

and we intend to.

"Hero of the Soviet Union."

Our highest honor.

They haven't even given it to me.

"Promotion to director
of the Kurchatov Institute."

I'm humbled.

I don't think there's anything humble
about you, Valery Alexeyevich.

These rewards are not yours yet.

First, your testimony at the trial.

Comrade Charkov,
I understand my duty to the State.

But you gave us assurances.

The reactors would be made safe.

It's been months.
No changes have been made.

- No changes even discussed.
- First, the trial.

Once it's over,
we will have our villains,

we will have our hero,
we will have our truth.

After that,
we can deal with the reactors.

(KNOCK AT DOOR)

(SIGHS)

Did you take a train?

Yes, I took a train.

Now let's talk about Vienna.

I'm not here to scold you.

I know how the world works
despite what Shcherbina says.

So, why are you here?

Because I'm brutally stubborn.

Which you were hoping for.

Charkov is saying they're going to fix
the reactors after the trial.

- Do you believe him?
- (SNICKERS)

The State will never
willingly fix the reactors

because acknowledging the problem
means admitting that they lied.

They will have to be forced.

At the trial,
you're going to tell the truth.

You're going to convince the jury.

It's a show trial.

The jury's already been
handed their verdict.

I'm not talking about them.

The Central Committee have invited
members of the scientific community

to observe the trial.

Our colleagues, from Kurchatov,

from Sredmash, from Minenergo,

they will be sitting in the crowd
listening to every word you say.

A jury that only we know is there.

And when your testimony arrives
at the moment of the explosion?

That is when our jury
will finally hear the truth.

- And do what with it?
- Insist on reform.

Not just to the RBMK,
but the entire industry.

No, no, no.

- They can't function without us.
- No, no, no.

If we...

Do you know what happened to Volkov,
the man whose report you found?

They just removed him
from his position at the Institute.

Sacked for the crime of knowing.

And you think that these scientists,
handpicked to witness a show trial,

will somehow be stirred
into action by me?

Because of some heroic stance
I take in defiance of the State?

Yes.

Why?

Because you're Valery Legasov,
and you mean something.

I'd like to think that if I spoke out,
it would be enough.

But I know how the world works.

They will shoot me, Khomyuk.

You told me to find out what happened.

I spoke to dozens of people.

Every word they said, I wrote down.

All in these books.

These are the ones
who are still alive.

These are the ones who are dead.

They died rescuing each other.

Putting out fires,
tending to the wounded.

They didn't hesitate.
They didn't waiver.

They simply did what had to be done.

So have I.

So have I.

I went willingly to an open reactor.

So I've already given my life.

Isn't that enough?

No, I'm sorry, but it is not.

"The Central Committee of the
Communist Party of the Soviet Union

and the Presidium of the
Supreme Soviet of the U.S.S.R.

has determined that justice
be carried out on behalf of the People

in accordance with the
general goal of our Party

as determined by its 20th,
21 st and 22nd Congresses,

which is a Leninist goal.

It was, is, and will be the only
immutable goal in the Soviet state.

The path of Leninist principles

shall be consistently
and undeviatingly followed,

as it expresses the vital
interests of the Soviet people,

its hopes and aspirations

as we guide the life of
the Party and the State.

This session of court is now open,

Comrade Judge
Milan Kadnikov presiding."

Indictments.

Viktor Bryukhanov,

Anatoly Dyatlov,

Nikolai Fomin,

are accused of violating
Article 220 Section 2

of the Criminal Code
of the Soviet Union,

resulting in a nuclear disaster
on April 26, 1986.

The State calls witnesses
Comrade Khomyuk

of the Byelorussian Nuclear Institute,

Comrade Legasov of the Kurchatov
Institute of Atomic Energy,

and Comrade Boris
Evdokimovich Shcherbina,

Deputy Chairman of
the Council of Ministers

and head of the Bureau
for Fuel and Energy.

(DOOR CLOSES)

It began with,
of all things, a safety test.

Why was there need
for a safety test at all?

Reactor number 4 was not new
when the accident occurred.

In fact, it went into operation
on December 20th, 1983.

Eleven days later,
on the last day of the year,

plant director Viktor Bryukhanov
signed this document,

certifying the completion
of the construction of the reactor.

As a result of finishing the work
before the end of the year,

Comrade Bryukhanov was awarded
Hero of Socialist Labor.

Comrade Fomin was awarded
for Valorous Labor.

Comrade Dyatlov was given
an Order of the Red Banner.

But their work was not finished.

And this document was a lie.

In order to sign this certificate,

all safety tests had to have
been successfully completed,

and yet, one remained.

A nuclear reactor generates
heat in the core here.

A series of pumps, here and here,

send a constant flow of cooling water
through the core.

The core's heat
turns the water to steam,

and the steam spins the turbine here,

and the result is electricity.

But what if a power plant
has no power?

What if the power feeding
the plant itself is disrupted?

A blackout, equipment failure,
or an attack by a foreign enemy?

If there's no power,

the pumps cannot move
water through the core.

And without water, the core overheats,

the fuel melts down.

In short, a nuclear disaster.

The solution?

Three diesel fuel
backup generators here.

So, problem solved?

No.

Bryukhanov knew that the problem
was not solved at all.

The backup generators took
approximately one minute

to reach the speed required

to power the pumps
and prevent a meltdown,

and by that time,
it would be too late.

So we arrive at the safety test.

The theory was this,

if the facility lost power,

the turbine, which had been spinning,

would take some time
to slow down and stop.

What if you could take the electricity
it was still generating

and transfer it to the pumps?

What if the dying turbine could keep
the pumps working long enough

to bridge the 60-second gap
until the generators came on?

(COUGHS)

(COUGHS)

Any questions?

No. Continue, please.

To test this theory,

the reactor is placed in a reduced
power mode, 700 megawatts,

to simulate a blackout condition.

Then the turbines are turned off,

and as they slowly spin down,

their electrical output is measured

to see if it's enough
to power the pumps.

The science is strong,

but a test is only as good
as the men carrying it out.

Now, the first time they tried,
they failed.

The second time they tried,
they failed.

The third time they tried,
they failed.

The fourth time they tried

was April 26th, 1986.

STEPASHIN: Comrade Khomyuk.

(FOOTSTEPS APPROACHING)

(LOW INDISTINCT CHATTER)

To understand
what happened that night,

we have to go back 10 hours earlier,

April 25th, the day the test
was meant to take place.

By 2:00 in the afternoon,
the reactor has been lowered by half

from its normal output level
of 3,200 megawatts

to 1,600 megawatts and is stable

and ready to be reduced to its
final output level for the test,

700 megawatts.

But before they can proceed,
there is a phone call.

Power grid officials in Kiev
say that they cannot afford

a further reduction in the electricity
until after midnight.

They are asking for a 10-hour delay.

This is the first critical moment,

the first link
in the chain of disaster.

Competent management would have
insisted on canceling the test.

These three men allowed it to proceed.

Why was this delay so dangerous?

It created two problems.

One of them is scientific in nature,

and the other is very human.

This is the one
we will consider first.

At midnight, there is a shift change.

Hey.

- Khodemchuk...
- Forget it. Find another fool.

Toptunov, want to buy a motorcycle?

BRAZHNIK: Toptunov?
He's just a little boy.

He's got more hair on his face
than on his balls.

Hair? Is that what's on his lip?

(MEN CHUCKLING)

Leonid Fedorovych.

Akimov says to come to the
control room as soon as you can.

- Is he already here?
- He came in early.

Something about a test.

You see? Desperate.

(DOOR OPENS)

(DOOR CLOSES)

TOPTUNOV: Sasha?

You know the test
they were supposed to run?

The turbine rundown,
they tried it last year.

They couldn't do it on the day shift,
so they've given it to us.

To us?

- We don't know what...
- AKIMOV: Shh...

- We don't know what it is.
- It's fine.

We take it down to 700, hold it there,

the rest is Stolyarchuk
and Kirschenbaum, but...

Dyatlov is gonna be supervising.

I have to do something
I've never done before

with Dyatlov looking over my shoulder?

Yeah, well, don't worry,
we'll do it together.

I'm just looking
at the instructions now.

Are we supposed to do those or not?

Yes, this is Akimov in 4.

I have the manual
for the rundown test.

You did it last year.

Yes, in the program,
there's instructions of what to do,

and then, well,
there's a lot of things crossed out.

What should I...

Well, what should I...

Are you sure?

Right. Thank you.

He says to follow
the crossed-out instructions.

So then why are they crossed out?

(DOOR OPENS)

We've been cleared to run the test.

1,600. Good.

Now, is it too much to ask that
you all know what you're doing?

- Well...
- Yes. Absolutely.

- Stolyarchuk?
- Yes.

- Kirschenbaum?
- Uh, I haven't reviewed.

We only just found out really...

There, review it.

Or you can just do what I tell you.

I think even you, stupid as you are,
can manage that.

Well, let's go.

I'm supposed to switch the turbine off
while the reactor's still running?

- This is not good...
- Shut the fuck up and do your job!

Toptunov, reduce power to 700.

(WHISPERS) I've never done this
with the power so low before.

(WHISPERS) It's okay. I'm with you.

Reducing power to 700.

KHOMYUK: I want you
to think of Yuri Gagarin.

I want you to imagine
that he has been told nothing

of his mission into space

until the moment
that he is on the launch pad.

I want you to imagine that all he has

is a list of instructions
that he has never seen before,

some of which have been crossed out.

This is exactly what was happening
in the control room of Reactor 4.

The night shift had not been trained
to perform the experiment.

They hadn't even been
warned it was happening.

Leonid Toptunov,

the operator
responsible for controlling

and stabilizing the reactor
that night was

all of 25 years old.

And his total experience on the job?

Four months.

This is the human problem
created by the delay.

But inside the reactor core,

in the space
between the atoms themselves,

something far more dangerous
is forming.

A poison.

The time is 28 past midnight.

Comrade Legasov.

(TROLLEY RUMBLING)

I'm pleased to see some
of my colleagues here

from the Kurchatov Institute
and Minenergo.

(CLEARS THROAT) But you don't
need to be a nuclear scientist

to understand what
happened at Chernobyl.

You only need to know this.

There are essentially two things
that happen inside a nuclear reactor.

The reactivity, which generates power,
either goes up or it goes down.

That's it.

All the operators do
is maintain balance.

Uranium fuel.

As uranium atoms split apart
and collide, reactivity goes up.

But if you don't balance
the reactivity,

it never stops rising. So...

Boron control rods.

They reduce reactivity
like brakes on a car.

But there's a third factor
to consider, water.

Cool water takes heat
out of the system.

As it does, it turns to steam,
or what we call a "void."

In an RBMK reactor
of the type used at Chernobyl,

there's something called
a "positive void coefficient."

What does that mean?

It means that the more steam
present within the system,

the higher the reactivity,

which means more heat,
which means more steam,

which means...

It would appear we have
a vicious cycle on our hands.

And we would, were it not for this...

And we would, were it not for this,

the negative temperature coefficient.

When nuclear fuel gets hotter,
it gets less reactive,

so fuel increases reactivity.

Control rods and water reduce it.

Steam increases it,

and the rise in temperature
reduces it.

This is the invisible dance

that powers entire cities
without smoke or flame.

And it is beautiful,

when things are normal.

As uranium splits apart
to release energy,

it breaks down
into a new element, xenon.

Xenon reduces reactivity.

This is the poison
Comrade Khomyuk mentioned.

When the core
is running at full power,

it burns the xenon away
before it can cause a problem.

But because of the delay,

Chernobyl Reactor 4 has been held
at half power for 10 hours.

The xenon did not burn away.

It built up, poisoning the core.

We're starting to lose balance.

- (COUGHING)
- LEGASOV: At 28 minutes past midnight,

the reactor is now primed
to slow down.

And yet, in less than an hour,
it will explode.

If you can't understand
how a stalled nuclear reactor

could lead to an explosion,
I don't blame you.

After all, you don't work in the
control room of a nuclear power plant.

But as it turned out,

the men who did
didn't understand it either.

Easy now.

Take it down.

Good. Like that.

DYATLOV: You should have
finished by now.

We're following protocol
for reduction rate.

You're procrastinating.

There are 10 other men in this plant
who would've done it already.

(WHISPERS) Keep working.
You're doing fine.

Kirschenbaum, come get me
when these old women are ready.

Yes, Comrade Dyatlov.

(DOOR CLOSES)

Okay, very slow now.
Let's ease it down to 700.

- Whoa, whoa, whoa, slow.
- I didn't move any rods there.

- What is this?
- I'm not even touching it.

We did everything right.

I think that
maybe the core is poisoned.

Well, if you thought
the core was poisoned,

then you didn't do everything right,
because you're choking my reactor!

Get it back up!

I think if we turn off LAC,

it may be possible
to get more control.

- Do it. Go.
- Switch off local automatic control.

Go to global. Leonid.

LAC disabled.
Global control activated.

What did you do?

- I did what you said. I switched...
- DYATLOV: Look at it!

AKIMOV: I don't understand.
DYATLOV: Fucking amateurs.

You've stalled the reactor.

(YELLS) How the fuck
did you get this job?

Comrade Dyatlov...

You're gonna tell me
you did everything right again,

you incompetent asshole?

I apologize for this
unsatisfactory result.

What are you doing?

We have to shut all the way down.

- No.
- AKIMOV: We could be in a xenon pit.

We have to shut down
and wait 24 hours.

No. We're doing the test tonight.
Raise power to 700.

AKIMOV: We can't raise
the power from here.

- The rules...
- Don't talk to me about rules.

- If we fall from 80%...
- No, no. We fell from 50%.

- AKIMOV: 50% is even worse.
- The rules don't say 50.

There is no rule!

Comrade Dyatlov, I apologize,
but what you're saying makes no sense.

- Raise the power.
- No.

I won't do it. It isn't safe.

Safety first. Always.

I've been saying that for 25 years.

That's how long
I've done this job, 25 years.

Is that longer than you, Akimov?

Yes.

- Is it much longer?
- Yes.

And you with your mother's tit
barely out of your mouth?

So if I say it's safe, it's safe.

And if the two of you disagree,

then you don't have to work here
and you won't.

But not just here.

You won't work at Kursk or Ignalina
or Leningrad or Novovoronezh.

You won't work anywhere ever again.
I'll see to it.

I think you know I will see to it.

Raise the power.

I would like you
to record your command.

Raise the power.

(BREATHING SHAKILY) Together, then.

DYATLOV: I wasn't even there.

What?

I wasn't in the room
when they raised the power.

If you weren't there,
then where were you?

Comrade Legasov,
you are a witness, not a prosecutor.

I will ask the questions here.

If you weren't in the room,
then where were you?

The toilet.

- (INDISTINCT MURMURING)
- STEPASHIN: The toilet?

Comrade Khomyuk interviewed everyone

who was in the control room
that night.

They all told the same story.

"I knew what Dyatlov
ordered was wrong,

"but if I didn't do what he said,
I would be fired."

Leonid Toptunov.

One day before he died.

No, Comrade Dyatlov,
you were in the room.

You ordered them to raise the power.
This is a fact.

(SHCHERBINA COUGHING)

(COUGHING CONTINUES)

Court is now in recess.
Thirty minutes.

(COUGHING)

Do you know anything
about this town, Chernobyl?

Not really, no.

It was mostly Jews and Poles.

The Jews were killed in pogroms,
and Stalin forced the Poles out.

And then the Nazis came
and killed whoever was left.

But after the war,

people came to live here anyway.

They knew the ground under
their feet was soaked in blood,

but they didn't care.

Dead Jews, dead Poles.

But not them.

No one ever thinks
it's going to happen to them.

And here we are.

How much time?

Maybe a year.

They call it a... (COUGHS)

They call it a "long illness."

It doesn't seem very long to me.

I know you told me,
and I believed you.

But time passed, and I thought

it wouldn't happen to me.

I wasted it.

I wasted it all for nothing.

For nothing?

Do you remember that morning
when I first called you,

how unconcerned I was?

I don't believe much that
comes out of the Kremlin,

but when they told me they were
putting me in charge of the cleanup

and they said it wasn't serious,
I believed them.

You know why?

Because they put you in charge.

(SOFTLY) Yeah.

I'm an inconsequential man, Valery.

That's all I've ever been.

I hoped that one day
I would matter, but I didn't.

I just stood next to people who did.

There are other scientists like me.

Any one of them could
have done what I did.

But you...

Everything we asked for,
everything we needed.

Men, material, lunar rovers.

Who else could have done these things?

They heard me,
but they listened to you.

Of all the ministers
and all the deputies,

entire congregation of obedient fools,

they mistakenly sent the one good man.

For God's sakes, Boris,

you were the one who mattered most.

Ah, it's beautiful.

- (PEOPLE CHATTERING)
- (SIGHS)

STEPASHIN: Comrade Legasov.

LEGASOV: The time is 38 past midnight.

The reactor is nearly shut down.

The operators of Reactor 4 are locked

on a path that leads
directly to disaster.

There's no way to turn back.

They do not yet know it,
but the die is cast.

At 30 megawatts,
xenon is still being created,

but none of it is burning away.

The reactor is drowning in poison.

To make matters worse,
the reactor isn't hot enough

to produce sufficient steam.

The only way to safely raise
power from this state

is to do it very, very slowly
over the course of 24 hours.

But Dyatlov wants it done now.

Akimov and Toptunov have
only one course of action.

They begin pulling control rods out.

Dozens at a time.

Halfway out,
three-quarters of the way out,

still, the power does not budge.

So they begin pulling
them all the way out.

There were 211 control rods
in Reactor 4.

Akimov and Toptunov
completely withdrew 205.

Remember, control rods
are the brakes on this car.

Of 211 rods, only six
now remain in the reactor.

As for the fuel, it's gone cold,

so the negative
temperature coefficient

is no longer
weighing down the reactivity.

But even still,
the xenon poisoning is so strong,

the best they can do is raise
the power to 200 megawatts.

The control rods are out.

The emergency system
has been disconnected.

The only thing keeping
the reactor in check

is water and xenon.

It's 1:00 in the morning.
The test is minutes away.

I'm sorry, this is all we can get.

It's 200 megawatts.
We've pulled almost everything out.

If that's all we have,
that's all we have.

- But the test requires 700.
- Stolyarchuk, let's get ready.

- Switch on pump four.
- AKIMOV: No, wait a second.

- DYATLOV: Stolyarchuk...
- We have barely enough steam as it is.

The turbine is going too slow for
the test to deliver any valid results.

- It's enough.
- And if we add more water,

- there will be even less...
- I said it's enough.

I know what I'm doing. Stolyarchuk.

Main pump four, connected.

We should warn Khodemchuk.
The pipes are gonna be...

Never mind him. Kirschenbaum?

(ALARM SOUNDING)

The steam in the separator drum
is too low, five atmospheres.

All right, let's all help him.
Get it up as best you can.

(ALARM CONTINUES)

We should stop.

DYATLOV: Turn that fucking thing off.

You have 15 minutes.

LEGASOV: Fifteen minutes.

They may as well have had 15 days.

The problem they were facing
was not solvable.

The power was too low.
The water was too high.

The test was already ruined.

The results would have been useless,
but Dyatlov didn't care.

All he wanted to do was
report a completed test.

1:22 a.m.

Less than two minutes remain.

Yuvchenko, a mechanical engineer,
is in his office.

Perevozchenko,
reactor section foreman,

is in the refueling hall,

high above the 1,000-ton
steel reactor cover.

(RUMBLING)

Degtaryenko, Khodemchuk,

circulation operators,
are in the pump room.

None of them
have been told about the test.

None of them know
what is about to happen.

At 1:22 and 30 seconds,
Toptunov sees a report

from the reactor's
SKALA computer system.

Based on the absence
of sufficient control rods,

the computer is recommending
that the reactor be shut down.

Well, of course it's saying that.
It doesn't know we're running a test.

All right, comrades.

Another few minutes,
it will all be over.

Kirschenbaum, when you're ready.

We did everything right.

KIRSCHENBAUM: Oscillograph on.

Closing number eight throttle valve.

STOLYARCHUK: Generator rotor
beginning rundown.

LEGASOV: 1:23 and four seconds.

With every decision, they have pulled
this reactor back like a slingshot,

further than anyone has ever pulled.

Now the test begins.

The pumps are shut down,
and they've let go.

The pumps stop moving water
through the reactor.

Uranium fuel is now
unchecked by fresh coolant,

unchecked by control rods.

The balance immediately swings
in the opposite direction.

In less than a second,
reactivity increases.

Inside the core,

the remaining water is
quickly converting to steam.

A void is being created.

There is no fresh water to replace it.

Steam increases reactivity,

increases heat, increases steam,

increases reactivity.

The remaining xenon decays away.

The power is rising.

There's nothing left to stop it.

1:23 and 35 seconds.

We have a power surge! Sasha!

(SHOUTS) What did you do?

1:23 and 40 seconds.

In every control room
of every nuclear reactor in the world,

there is a button
with one single purpose,

to "scram," or instantly
shut down the reaction.

In Soviet reactors,
that button is called AZ-5.

You press AZ-5,

all of the control rods
insert at once,

and the reaction is stopped dead.

But...

(SIGHS)

What are you waiting for, Legasov?

- (KNOCK ON TABLE)
- Tell your lies.

KADNIKOV: Comrade Dyatlov,
you will not be warned again.

- DYATLOV: Or what?
- For God's sake, Dyatlov.

- Legasov's already given it away.
- That's enough.

He said before there was no way
to avoid what was coming.

- He knows something.
- Comrade Dyatlov.

She knows something.

(GRAVEL POUNDING)

DYATLOV: I know what you are,
Valery Alexeyevich.

- You're a liar.
- We've heard enough for today.

The defendants will be
remanded in custody.

- Court will...
- I haven't finished.

I still have more evidence to give.

It's not necessary.
Your testimony is concluded.

- Your Honor.
- Court is now adjourned.

- We will resume tomorrow with...
- SHCHERBINA: Let him finish.

KADNIKOV: Comrade Shcherbina...

Let him finish.

Dyatlov broke every rule we have.

(SIGHS)

He pushed a reactor
to the brink of destruction.

(SIGHS)

He did these things believing
there was a failsafe.

AZ-5, a simple button
to shut it all down.

But in the circumstances he created,
there wasn't.

The shutdown system had a fatal flaw.

At 1:23:40, Akimov engages AZ-5.

(ALARM BUZZES)

The fully withdrawn control rods
begin moving back into the reactor.

These rods are made of boron,
which reduces reactivity,

but not their tips.

The tips are made of graphite,
which accelerates reactivity.

KADNIKOV: Why?

LEGASOV: Why?

For the same reason our reactors

do not have containment
buildings around them,

like those in the West.

For the same reason we don't use
properly enriched fuel in our cores.

For the same reason
we are the only nation

that builds water-cooled,
graphite-moderated reactors

with a positive void coefficient.

It's cheaper.

(CROWD MURMURING)

LEGASOV: (CLEARS THROAT)
The first part

of the rods that enter the core

are the graphite tips.

And when they do,
the reaction in the core,

which had been rising, skyrockets.

Every last molecule of liquid water
instantly converts to steam,

which expands and ruptures
a series of fuel rod channels.

The control rods in those
channels can move no further.

The graphite tips
are fixed in position,

endlessly accelerating the reaction.

Chernobyl Reactor 4
is now a nuclear bomb.

- (LOUD RUMBLING)
- LEGASOV: 1:23:42.

Perevozchenko looks down on
the enormous steel lid of the reactor

and sees the impossible.

The control rod and fuel channel caps,

which each weigh 350 kilograms,

are jumping up and down.

He runs to warn the control room.

But there's nothing he can do
to stop what is coming.

- (ALARM BUZZING)
- 1:23 and 44 seconds.

The steam blows
more fuel channels apart.

We do not know
how high the power went.

We only know the final reading.

(ALARM CONTINUES)

Reactor 4, designed to operate
at 3,200 megawatts,

went beyond 33,000.

The pressure inside the core
can no longer be held back.

At long last, we have arrived.
1:23:45, explosion.

(EXPLOSION)

In the instant the lid is
thrown off the reactor,

oxygen rushes in.

It combines with hydrogen
and super-heated graphite.

The chain of disaster is now complete.

AKIMOV: (MUFFLED) Comrade Dyatlov!

Comrade Dyatlov!

(INAUDIBLE)

LEGASOV: No one in the room
that night knew

the shutdown button
could act as a detonator.

They didn't know it,

because it was kept from them.

Comrade Legasov, you're contradicting
your own testimony in Vienna.

My testimony in Vienna was a lie.

(CROWD MURMURING)

LEGASOV: I lied to the world.

I'm not the only one
who kept this secret.

There are many.

We were following orders,

from the KGB,
from the Central Committee.

And right now, there are
16 reactors in the Soviet Union

with the same fatal flaw.

Three of them are still running

less than 20 kilometers away
at Chernobyl.

Professor Legasov, if you mean
to suggest the Soviet state

is somehow responsible
for what happened,

then I must warn you, you are
treading on dangerous ground.

I've already trod on dangerous ground.

We're on dangerous ground right now,

because of our secrets and our lies.

They're practically what define us.

When the truth offends, we lie and lie

until we can no longer
remember it is even there.

But it is still there.

Every lie we tell incurs
a debt to the truth.

Sooner or later, that debt is paid.

That is how an RBMK
reactor core explodes.

Lies.

Valery Alexeyevich Legasov,

son of Alexei Legasov,

Head of Ideological Compliance,
Central Committee.

Do you know
what your father did there?

Yes.

As a student, you had a
leadership position in Komsomol.

Communist Youth, correct?

- You already know.
- Answer the question.

Yes.

At the Kurchatov Institute,

you were the
Communist Party secretary.

In the position, you limited
the promotion of Jewish scientists.

Yes.

To curry favor with Kremlin officials.

You're one of us, Legasov.

I can do anything I want with you.

But what I want the most is
for you to know that I know.

You're not brave.

You're not heroic.

You're just a dying man
who forgot himself.

I know who I am,
and I know what I've done.

In a just world,
I'd be shot for my lies,

but not for this, not for the truth.

Scientists,

and your idiot obsession
with reasons.

(YELLS) When the bullet hits
your skull, what will it matter why?

No one's getting shot, Legasov.

The whole world saw you in Vienna.

It would be embarrassing
to kill you now.

And for what?

Your testimony today
will not be accepted by the State.

It will not be disseminated
in the press.

It never happened.

No, you will live,
however long you have,

but not as a scientist, not anymore.

You'll keep your title
and your office,

but no duties,
no authority, no friends.

No one will talk to you.

No one will listen to you.

Other men, lesser men,

will receive credit
for the things you have done.

Your legacy is now their legacy.

You'll live long enough to see that.

What role did Shcherbina play in this?

None.

He didn't know what I was gonna say.

What role did Khomyuk play in this?

None.

She didn't know either.

After all you've said and done today,

it would be curious
if you chose this moment to lie.

I would think a man of your experience
would know a lie when he hears one.

You will not meet or communicate
with either one of them ever again.

You will not communicate with anyone
about Chernobyl ever again.

You will remain so immaterial
to the world around you

that when you finally do die,

it will be exceedingly hard
to know that you ever lived at all.

And if I refuse?

Why worry about something
that isn't going to happen?

(CHUCKLES)

"Why worry about something
that isn't going to happen?"

Oh, that's perfect.

They should put that on our money.

(ENGINE STARTS)

LEGASOV: (ON TAPE)
To be a scientist is to be naive.

We are so focused
on our search for truth,

we fail to consider how few
actually want us to find it.

But it is always there,
whether we see it or not,

whether we choose to or not.

The truth doesn't care
about our needs or wants.

It doesn't care about our governments,

our ideologies, our religions.

It will lie in wait for all time.

And this, at last,
is the gift of Chernobyl.

Where I once would fear
the cost of truth,

now I only ask,

"What is the cost of lies?"

(SOMBER INSTRUMENTAL MUSIC PLAYING)

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