- What have you done?
- [growling]
- [screaming]
[dramatic music]
- [roars]
♪
[grunting]
♪
- [roaring]
♪
- Still at it? - I think I figured out how
to track the thing that attacked us.
- So...what are we looking at?
- A spectrograph from the scene of the attack.
That is a rare geothermic isotope that I reprogrammed
our satellites to scan for.
If we get a hit--
- Then we can track our target.
Nice work. - Thanks.
- Barry, you've been at this all night.
Maybe you should take a break and get some rest.
- I'm not gonna rest while that thing is still out there.
Besides, with Ralph overseas for a while,
and Frost still recovering--
- Oh, I'd say she's more than just recovering.
Check out this frosty twist.
[playful music]
♪
- Are my back meds still wearing off?
I'm seeing double.
- Yeah, you and me both.
- I know this is a lot to take in.
- Told you they'd freak.
♪
[record scratch]
[theme music]
♪
[floorboard creaks]
- Cecile. - [gasps]
[suspenseful music]
♪
[singsongy] Cecile.
[eerie tone]
- [gasps]
Who are you?
What do you want?
- It's time to come home now, Cecile.
- [gasps]
Get away from me. - You cannot control me.
- [breathing rapidly]
- You never did learn your lesson.
[screaming]
[suspenseful tones]
♪
- Babe!
Cecile, Cecile. What's wrong?
You were screaming.
- No, no, no. I saw--I saw someone.
I saw someone, they were right there and then they--
- There's no one here. No one else here.
Except us.
You've been working too hard on those cases,
must have fallen asleep.
- It felt so--
[suspenseful music]
But the--
The danger, it was-- it was so real.
It was so real.
- I'm sure it was, babe,
but nightmares can't hurt you.
- [breathing shakily]
- So, you remember when Mirror Monarch blasted me
with her gun? - Mm-hmm.
- Well, ever since that blast,
we've had these crazy headaches.
Last night, everything gets fuzzy,
Caity passes out.
And then we wake up-- totally fine.
But there's two of us.
- Uh, Eva's mirror gauntlet
contained a reflective mirror chip.
I think it forced Frost's cryogenes to rapidly replicate
and create a whole new form so that she could survive.
- Crazy, right?
- So can you still hear each other's thoughts?
- Nope. Just sweet, sweet silence.
And I got to keep my powers.
Caity got to keep the doctor stuff
and science know-how, which is fine by me.
- You always have felt like two different people.
Now, you just have two different...bodies.
- But don't worry, I'm gonna figure out a way to get us
back together as quickly as possible,
because I'm afraid the longer we wait,
the harder it'll be.
- I mean shouldn't we be focusing on that berserker
who killed Abra Kadabra instead?
- Frost has a point.
Where are we with Fuerza?
Fuerza.
Spanish, for strength.
Look, She-Hulk was taken, okay?
- Well, uh, still no sign of her,
but Barry has figured out how to track her.
- Oh, good. - Yeah.
- 'Cause if Fuerza can survive an antimatter blast,
that kind of puts her on a whole other level of baddie.
Like, a "wet your pants" level.
[alarm sounding]
Satellites detected an isotopic signature?
- That's Fuerza. Where's she headed?
- Here, right now.
[thunder booming]
- What's with all this thunder and lightning?
Is Fuerza a speedster too?
- Barry.
- Who is that?
[suspenseful music]
♪
- [ragged breathing]
Help me.
♪
[tense music]
♪
- I just got the Speed Force restarted, now this happens.
- And what about your speed? Has it been affected?
- No. At least not yet.
I'm still trying to figure out how this is even possible.
- I have no idea.
I have never seen biometrics like this.
- You've never had a god for a patient.
The Speed Force took this form right after H.R.'s funeral.
It's like Zeus coming down from Olympus,
disguised as a mere mortal.
- Okay, but why would a god be asking for our help?
- Whatever the answer is, I need to figure out a way
to accurately monitor her recovery.
[dramatic music]
- Holy mother. - You good?
- Yeah, just give me a minute.
- She's wearing my Speed Force gauge now.
Right now, it's red.
If it changes, hopefully that'll tell us
her power levels are recharging.
- And if that's the case,
maybe she entered a comatose state
to help heal herself.
- Makes sense, and when she recovers,
she can tell us who did this to her.
It.
- Maybe it's the same thing that can rip through
an antimatter bomb like it's tissue paper.
Those are residual geothermic isotopes.
They're all over her.
- You think Fuerza did this?
Oh, that must have been one hell of a fight.
- Not as big as the fight we're gonna take to Fuerza.
- Okay, but this isn't just some run-of-the-mill meta
we're talking about here.
Whatever Fuerza is, she's powerful enough to
hurt the frickin' Speed Force.
And what if she doesn't wake up?
What happens to you?
- Look, we've faced big threats before.
Crisis, Savitar, Thawne.
We beat them all.
If Fuerza did do this,
she should be afraid of us.
- All right, I'll keep looking for isotopes.
- And I'll keep monitoring the Speed Force.
- You think Fuerza's gonna come back
and finish what she started, don't you?
- I already watched the Speed Force die once.
I'm not gonna let that happen again.
♪
- Yeah--yeah, just call me when you know something,
All right, thanks. Bye.
Sorry. - That's okay.
Um, Dad,
what do you know about the robbery
at CC Mercantile?
- Robber waltzed in and out,
because the night guard was catching Z's at his desk.
Why the interest in an open and shut case?
- Well, the guard told "The Citizen" a different story
this morning and I figure I can help him get his job back
if I can break the real story.
He didn't doze off, Dad.
He had a vision of his abusive stepfather
stalking him in the bank,
realer than any nightmare he's ever had.
- The robbery went down at 11:09,
last night. - Mm-hmm.
- Around the same time
that Cecile was having a nightmare too.
Damn.
If we've got some kind of
Freddy Krueger meta on our hands,
we'll find him.
I'll get Korber to pull any calls about weird visions.
[knock on door] Ah.
- Kristen Kramer.
I'm with the Governor's Municipal Logistics Commission.
- I wasn't expecting you till this afternoon.
It's good to finally meet you.
- Yeah, I like to get a head start.
In my experience, if you're not early, you're late.
You must be the Captain's daughter.
Hmm.
I read about how you survived the abduction
into that...mirror dimension, was it?
Sounded terrifying.
- Ah...
I've survived worse.
- Impressive.
Didn't mean to interrupt.
We can chat tomorrow, Captain.
Lunch is on the governor. - Sounds good.
- Where'd she say she was from?
- State Logistics Commission.
Why?
- Just another hunch.
[buzzing and whirring]
- Dope belt buckle.
- Ha-ha. Not a belt buckle.
This is the Firestorm Matrix.
- Okay...
- I helped Thawne build it to combine Ronnie and Stein
into Firestorm safely.
- And...that's gonna help put me and Caity back together?
- You can thank Caitlin,
she figured it out.
All we have to do is just reset it to her DNA,
and your RNA-- we're basically just resetting
fusion to fission.
This baby just needs a few hours to charge
and that's it!
We can get you back to your normal,
two minds, one body existence--
that's a Tuesday for you.
- Wow, that was fast.
It's not so bad being separate.
For Caity, I mean, you know.
She can finally watch "This Is Us"
without me screaming "Turn it off!" in her head.
- Frost, what have I said about disparaging "This Is Us"?
- They're so weepy. - That cast is too precious
for this world. Listen,
based on how relieved Caitlin was to figure out this fix,
I'm guessing she actually misses
hearing your frosty tones inside her head.
Okay, I'm done with you.
Now we wait.
I want to keep checking the satellites, make sure we don't
get hit with another isotopic signature surprise.
[dramatic music]
♪
[video playing over tablet]
[Fuerza roars]
[footsteps approaching]
- [sighs] - Whoa.
So that's the Speed Force?
Uh, Iris already texted me about everything.
- [scoffs] - [sighs, groans softly]
- What's wrong?
- I had a nightmare,
but it was more like a vision.
I don't know, I thought, maybe with my powers expanding
lately, Caitlin could check out my noggin.
Ahh--ahh! Oh!
- Hey--hey, are you okay?
- No, it's happening again,
It--it's like someone's stabbing my brain.
- I'm gonna get Caitlin. - No, no, no.
Barry, Barry it's--[winces]
It's not medical.
It's my powers.
It's like they're picking up
raw fear.
[phone buzzing]
- There's a robbery downtown.
- It's okay, really. I'm fine now.
- Are you sure?
- Yeah. You should go.
[adventurous music]
Hey,
I'll keep an eye on her.
Go.
[suspenseful music]
♪
- [screams]
It's gonna crush us to death!
- [roaring]
- Flash, thank God.
You have to stop that creature, it's gonna kill us!
- Ah...
[both guards scream] - There's...
[both scream] - Where are you--
- [distorted, echoing voice] Oh, you gotta go so soon?
[eerie tones]
- [laughing] Ooh. - So let me get this straight.
You made those guards hallucinate some kind of
Godzilla rip-off that almost squashed them?
- Well, I suppose that is an accurate,
if not immensely reductive assessment of the situation.
So, yes. I scared the hell out of them.
And that was after showing them a vision
of a dozen bystanders getting eaten alive
by a very hungry kaiju.
It's horrifying when you think it's your turn.
- Okay, um, look. Whoever you are,
I really don't have time for this.
- My, my. How rude.
And from a superhero? Is that actually allowed?
- Okay, I apologize for the rudeness.
But I hope you enjoy Iron Heights.
'Cause I really do have bigger problems today.
- Not yet, but you're about to.
- Hey, I just got another geothermic isotope reading.
[suspenseful music]
It's coming from your location.
♪
- Scared yet?
You will be.
[high-pitched ringing]
- [grunting]
- You can't stop me, Flash.
And you never will.
- No, I'm not afraid of you anymore.
This is just a hallucination.
Which means you can't hurt me!
- Time to repent.
[suspenseful music]
♪
- Ah!
- You lose, Barry.
♪
- [groaning]
- Barry?
Barry!
- Your vitals were spiking,
but they seem to have stabilized.
Your speed healing kicked in.
- What the hell happened out there?
- I--I was hallucinating.
Thawne, Savitar...
they were trying to kill me.
It was like--
- Like a nightmare come to life?
- Yeah.
Like the guards in the truck.
Wait, like you. You had a nightmare last night.
- Yeah.
Someone is broadcasting fear into their victims,
and I'm tuning into it like an antenna.
- Fear I get.
Hallucinations can make you
freak out but not bleed out.
- Whoever's doing this must be inciting
extreme psychosomatic reactions.
Barry's mind literally tricked his body into hurting itself.
- So if you die in the hallucination...
- Then you die in real life.
- Well, he carried traces of the same isotopes
we linked to Fuerza.
That means we can track him too, right?
- Right. And it means that
Fuerza and Psych must be connected somehow.
- Psych?
- He's a psychic psychopath,
causing psychosomatic symptoms,
I mean, the guy practically named himself.
- He's only dangerous 'cause he got inside my head.
Cisco, do we still have the mental dampeners
we used to fight Grodd?
- We can try and repurpose them
to repel Psych's hallucinations.
- Do it. If we can keep Psych
out of our heads, he can't hurt us.
[sharp humming] - [gasps]
- What?
- That must have been terrifying,
being trapped in that nightmare.
- I mean, I'm--I'm fine.
Really, I'm fine. I mean,
we beat those Big Bads already.
Psych's no different.
- Barry, uh--
- You did a background check on a public official?
- I've only ever heard of one other person
using the phrase
"if you're not early, you're late."
"Citizen"'s go-to military source.
- Kramer served.
- Yes, she served, but I think
she's also lying about why she's here.
Dad, I found her file in the D.O.D. database.
Half of it's redacted.
What if she's not here to help?
- Iris,
are you sure this isn't a reaction
to what happened with Eva?
I mean, she lied to you for weeks.
- Dad, I am not afraid of being deceived,
I'm afraid of not trusting my gut.
Something is off with Kramer, I know it.
Please, read the file.
- Okay, okay.
- These rapids are hardcore.
Can Caity swim?
What if--when she and I split,
I got swimming, and now she needs floaties?
- [chuckles] No one's gonna need floaties, all right?
You two are gonna be peanut butter and jellied again
by the time we tear up that river.
- Frost!
- Or not.
- The Firestorm Matrix has been sabotaged,
only someone tried to make it look like it short-circuited.
- Before you go blaming Frosty--
- I ran the adapter through an infrared scanner,
and guess what the temperature was?
-162 degrees.
- Fine, I broke your stupid, precious Matrix.
- Oh. - Why?
Why would you do that to us?
It'll be weeks before we can even consider
another fusion attempt.
- Because, maybe I don't want to recombine!
- Why not?
- Well--
- Call me when you figure it out.
- [clears throat]
[chuckles] You know,
this actually reminds me of that scene
where Rebecca and Jack are fighting--
[alarm sounding] Oh, look at that.
Let's go, we gotta go.
[computers beeping]
- Satellites picked up Psych's isotopic signature
downtown at the Clearly Capital offices.
- Time to put these mental dampeners to work.
- And kick some psychic butt.
♪
- [sobbing] 5.3 trillion gone.
It's all gone.
Oh, God. I'm ruined.
[sobs]
- Hey, i-it'll bounce back.
The DOW only dropped 789 points.
It'll bounce back. It has to.
[eerie tones]
- Oh, I could do this all day.
[suspenseful music]
♪
Oh, it's you again.
Well, that's disappointing.
- We're not gonna let you hurt any more people.
- Oh, I haven't hurt anyone today.
I have freed them from a system that brings
fortune to the fortunate and dooms the rest.
Pretty poetic, don't you think?
- What--what is this guy's deal?
- I think he's overcompensating.
- I don't like your friends, Flash.
Also, if you think your flimsy dampeners can stop me,
perhaps you all could use some freedom too.
[eerie tones]
- Killer Frost?
You're under arrest for your crimes against the city.
- What? No.
No, I'm one of the good guys now.
- Tell it to Judge Tanaka.
We have a witness.
One who told us everything you've done.
- Who turned me in? Was it Mark?
- No.
It was Caitlin Snow.
- No.
No, no, no.
How could she--
- [breathing heavily] No.
This can't be how it ends.
- How could she?
- [gasps]
[suspenseful music]
♪
- Someone's back for seconds.
- You already showed me my greatest fear.
It won't scare me twice.
- Oh, Flash.
Those Big Bads aren't your greatest fear.
This is.
[droning tone]
- [panting]
No. No.
No.
No, please...
No, no, no, no...
[eerie music]
♪
No.
- Sweet nightmares, people.
♪
[soft music]
♪
- First Fuerza, then the Speed Force shows up,
now this too?
- Why can't I stop shaking?
- Your biometrics are all elevated.
I mean, your amygdalae are in overdrive.
- Wait, we had panic attacks?
- Extreme ones, Psych doesn't just manipulate
your fear, he elevates it.
But your cortisol levels are slowly stabilizing,
which means-- - Psych's powers
have a residual effect.
- And Barry has had a double dose.
- Where's Frost?
- She wanted to be alone. [scoffs]
Even the Ice Queen was freaked out by whatever she saw.
- The mental dampeners didn't work.
- Psych must have overpowered their circuitry.
Which means, the next time you fight him,
we won't be able to protect your mind.
- The next time?
How are we supposed to anticipate him?
Stake out the banks?
- No, he's not after money.
Remember, he said he--he wants to free people
from the power it has over them.
- So what? He has an axe to grind
with the system? - Yeah, yeah, yeah.
It explains why he attacked
the Cleary Capital offices.
He doesn't want cash.
He wants chaos.
- Well, he got it.
- What exactly did he make you see?
- Just...
Kamilla, in danger.
What about you? What did you see?
- It doesn't matter.
- What if it does?
What if there's, like, a clue or something in what you saw--
- There isn't.
- Well, you don't know that.
Look, you're gonna have to face him again, eventually.
- Well, what if I can't, all right?
What if he's too powerful and I can't stop him?
- Barry, no one said--
- You didn't have to.
Maybe, Psych's gonna destroy
this whole city and everyone in it.
There's nothing I can do about it.
- Trying to reconnect the transmitter
to the output circuit?
- Turns out I'm better at breaking things
than I am at fixing them.
- Do you want to tell me what scared you so much
when Psych whammied you?
Come on, we used to share a brain.
I know you don't scare easy.
- I was under arrest,
for all the crimes I committed as Killer Frost.
And you were the one who turned me in.
- I would never do that.
- I know.
Look, ever since you let me take the wheel,
I got to live my life,
not just half the time, but all the time.
And I really liked it.
And I don't want to go back
to living my life just half the time.
And I was afraid you'd hate me for saying that.
- I would never hate you.
You're my sister.
You can always tell me how you feel.
- I don't know how.
I mean--
I may be the strong one, but...
you're the brave one. I mean,
you're fearless!
I mean, ever since I got in touch with my feelings,
I just--
I'm scared,
all the time.
Sometimes I don't even know why.
- You think you're the only one who gets scared sometimes?
Ever since we separated,
there's been this deafening silence
inside my head, where you used to be.
And it terrifies me.
That's why I've been so desperate
to put us back together.
Why I got so upset when you broke the Matrix.
It's 'cause my biggest fear in life
is living without you.
- Mine too.
- Well, why don't we face that fear together?
- You mean--
- Maybe two Snows, really is better than one.
My apartment has an extra bedroom.
I could use a roommate, what do you say?
- I say...
"This Is Us."
♪
- Cecile, I'm sorry. I just--um, needed a minute.
- Okay.
You do know that you're not the only one who's been
whammied with more than one dose of Psych's fear, though?
- You've been picking up his energy every time he shows up.
- Last night, I saw...
I saw a nightmare,
where I couldn't control my own powers.
It was terrifying.
It's been really hard to keep my own fears at bay today.
I spent last year so afraid of losing everyone I loved
in Crisis, I never thought I'd have to face that fear again.
Psych showed me...
People I love,
dead.
Fuerza had killed them.
We've taken on the impossible,
so many times.
Something about these new threats feels different.
Bigger.
And for the first time since Crisis...
I'm sc--I'm scared.
- Sometimes, when I'm scared
I ask myself, "What would The Flash do?"
Seriously.
Barry,
you run through fear,
every time you save this city.
Honey, you just gotta find some of that courage
for yourself.
[alarm sounding]
- Guys, we just detected Psych's isotopic signature.
It's expanding, all over Sandoval Heights.
- Cecile,
you sent your own fear into Top.
Do you think you could do that on a bigger scale?
- D-- Me?--No, no way.
Barry, I could barely broadcast one emotion across a room.
- Then let's get you some help.
[suspenseful music]
♪
- Barry?
Are you insane?
- I know, it sounds crazy, but,
DeVoe built this chair to expand his mental capacity
on a massive scale.
- Yeah, yeah,
and it turned him into a supervillain!
- But you won't,
'cause you're gonna use it to save the city.
- [sighs]
[dramatic music]
- I can feel all your fear, Central City,
and feels exquisite.
[dramatic music]
♪
- Please--please let me out.
Let me out of here, please!
- It's too much.
Too much!
I can't take it!
- Mom, Dad?
Please don't leave me here.
Why won't you come home?
[multiple screams]
- Get away from me!
[multiple frightened yelling]
- Everything's burning! - Help me!
The walls are closing in!
- Cecile, you good? - Nope!
Not even close to good.
I--I am sitting in a death machine.
What if this thing fries my brain?
Wh--what if this chair turns me evil like the Top?
What about that?
- As a medical professional, I promise you will be okay.
- Okay. - Probably.
- Flash, where you at?
- I'm approaching Psych's radius.
♪
- Okay.
♪
Do it.
♪
[machine whirring]
[screaming voices] - I can't breathe!
Make it stop!
[multiple screams]
- It's working.
I can--I can...
feel people's minds,
thoughts, all over the city.
I can feel Barry.
[exciting music]
♪
- [grunts]
♪
- His amygdala is spiking.
- Barry, can you hear me?
Cecile is connected to your mind.
Whatever you're seeing, fight through it.
[thunder cracks]
- This isn't real.
It's not real.
- You got us all killed, Barry.
- I trusted you.
Why didn't you save me?
[eerie music]
♪
- When you let me die, you killed our children too.
♪
- Barry can't hear us.
He's caught inside his nightmare.
He's lost.
- I'm diverting all satellite power to the comms.
[dramatic music]
♪
Listen to me, Barry.
You have to get through this.
- Cisco, I don't know if I can.
- Yes, you can.
You are strong enough, I know you are.
We can't do this without you.
- You're a coward, Barry Allen! - You'll lose us again.
- All because you're too afraid.
Too afraid to open your eyes.
♪
- You're right,
I am afraid.
But I won't let that fear control me.
♪
- He broke through!
Cecile, now!
- Barry,
I can feel your courage.
♪
- [gasping]
♪
- You're too late, Flash.
Ahh!
♪
- [gasps] - Guys, it worked.
Cecile did it. - I did it.
- You did it.
- [exhales sharply]
I did it! - You did it.
- [laughing]
Guys,
I think I need an energy bar.
- Your frontal cortex is healing,
but the part that controls motor control
is still falling behind.
- No trace of Psych or Fuerza.
- Well, either way,
at least now we have proof they're connected.
When I struck Psych with my lightning,
he shook it off easy, but
just for a minute, the lightning--
it stayed with him.
- Was it glowing?
- Yeah.
- Same thing happened when you fought Fuerza.
- I threw everything I had at them,
we all did.
They just kept coming for more.
Luckily, your powers are getting stronger, too.
- Well,
chair did most of the work, but thanks.
- I don't know, you kicked some
pretty serious psychic ass out there.
Might have to teach Martian Manhunter a thing or two.
- [laughs] - Ahh!
- Barry! - [groaning]
- Is it Psych?
- No, no. This is something else.
- I'm getting the same readings I got off Nora.
♪
- I need to heal myself. Open the cryo-pod.
- No, Barry. That'll put you in a coma.
- It's the only way.
♪
[dramatic music]
♪
- Logistics compliance.
Is that what you were doing
when you were working in Gotham?
- I've made a few trips there.
I'm a big Knights fan.
- And I called my buddy who'd been working
the Gotham beat for more than a decade,
pretty high stakes game you played.
And...
There is this.
So I don't know what your goal is here,
but, if you're gonna be in my precinct--
how about we cut the bull, and you be honest with me.
- Fair enough.
I wasn't planning to announce this
until I got my bearings.
On the orders of the governor,
I'm here to locate and apprehend
a rogue meta-human, whatever the cost.
And quite frankly,
it's about time someone address the long-standing issue
this precinct ignored.
- You want to arrest The Flash?
- No--he's clean.
So far.
I'm here for someone far more dangerous.
The meta-human fugitive known as Killer Frost.
[suspenseful music]
♪
- How is he?
- Better. I think.
Barry's system was overwhelmed
with the same strange signatures
that I found in Nora's system.
His vitals have stabilized a bit,
which is good news, but
as to when he'll be fully healed,
it's difficult to say.
- If Psych or Fuerza were to attack right now,
we're totally on our own.
- Because I wasn't fast enough.
- Nora. - [groans]
This physical form is new for me.
I didn't know its limitations.
I can feel how weak he still is.
How weak we both still are.
What happened to Barry?
- He was attacked by a powerful meta-psychic.
- Who showed him his greatest fear?
That same psychic was the second of my attackers.
- Fuerza and Psych? They both hurt you?
- Who are they?
- I think...
they're just like me.
♪
- Greg, move your head.