INT. PRISMO'S ROOM
The infinite white void hums softly. The giant circular window is frozen mid-explosion, the image paused on snow, fire, and derailed metal.
JAKE suddenly straightens, eyes wide with sudden importance.
JAKE
WAAAAAIT!
PRISMO, lounging upside-down in midair, lazily blinks.
PRISMO
Yeah, Jake?
JAKE
I want Finn to watch too.
Prismo tilts his head. His eyes narrow. Time itself seems to lean in.
PRISMO
Hmmmmmmmmmmmmmm.
Jake mirrors him, squinting back with equal seriousness.
JAKE
Mmmmmmmmmmmmmmm.
They slowly lean toward each other, noses almost touching.
PRISMO
Mmmmmmmmmmmmm—
Prismo abruptly pops back upright.
PRISMO
Mmmmmkay!
Jake, meanwhile, has gone totally unfocused. His pupils drift. His mouth hangs open.
JAKE
Mmmmmmmmmmmmmmmmmmmmmmmmm—
PRISMO
Jake. I said okay.
JAKE (startled)
Oh! Ha-ha.
Jake instantly springs to his feet and takes off running—straight at the wall.
JAKE
I'M COMING FIIIIIIIIIIIIIIIIIIIIIIIIII—
CUT TO: INT. THE TREE HOUSE — DAY
Jake appears mid-stride and continues running straight through the living room.
JAKE
IIIIIIIIIIIIIIIIIIIIIN—
FINN (O.S.)
AAAAAAAAAAAAAKE!
Finn charges in from the hallway. They collide perfectly into a fist-bump that sends a small shockwave through the room.
FINN
What's up, buddy?
JAKE
I gotta show you the coolest thing EVER! PRISMO!!!
FINN
Wait—are we gonna watch another AU? Because last time I—
They vanish mid-sentence in a soft pop.
BMO skids into the room a beat later.
BMO
BMO HEARS JAKE!!!
The room is empty.
BMO frowns.
BMO
Aww…
CUT TO: INT. PRISMO'S ROOM
Finn and Jake now sit beside Prismo on the floor, legs crossed, chewing sandwiches. There is an absurd pile of sandwiches next to them. Every kind imaginable.
Prismo looks them over.
PRISMO
Okay. Everybody ready? Got snacks?
Finn and Jake give enthusiastic thumbs-up, mouths full.
PRISMO
Nice. Alright then—
He clicks the remote.
PRISMO
—UNPAUSE.
CUT TO: EXT. PANDOOORA — FROZEN WASTES — DAY
A howling wind sweeps over endless snow and twisted metal.
NEPTR rolls through the wreckage, his single wheel carving a path around three half-buried bodies.
NEPTR (normal)
Oh man. More dead Vault Hunters…
He pauses. Then starts beatboxing.
NEPTR (rapping)
Handsome Simon still a killa,
Gonna cash these bodies, make a skrilla—
A hand suddenly shoots out of the snow.
FINN (coughing)
Kh— we're not dead!
JAKE
Yeah… speak for yourself.
Finn turns. Jake's long, stretchy body is twisted around a pile of metal debris like spaghetti caught in a bear trap.
A purple shimmer flickers nearby.
MARCELINE phases into view, brushing snow off her jacket.
MARCELINE
Oh. Uh. Sorry. I thought you guys woulda, y'know… dodged.
Finn stands, dusting himself off.
FINN
That would've been pretty cool.
NEPTR rolls up, startled.
NEPTR
Oh dang! You're alive! That's… statistically unlikely.
He hands each of them a small device. They beep to life.
BMO appears as a flickering hologram.
BMO (HOLO)
Okay, listen. I know the busted robot is crud, but you're gonna need his help if you wanna make it to—
The hologram glitches. BMO shivers, scowling.
BMO (HOLO)
—Handsome Simon.
A beat.
BMO (HOLO)
He is the WORST. Like—his screws are loose, but the mask makes him a total jerkbutt.
FINN
Alright. So what do we do?
Jake's body ripples. His posture shifts—taller, broader, feral. The Psycho build locks in.
JAKE (confident, grinning)
Isn't it obvious?
He cracks his knuckles.
JAKE
We beat the bad guy.
Marceline raises an eyebrow.
MARCELINE
It's never that easy.
NEPTR turns and starts rolling into the whiteout.
NEPTR
Follow me, y'all!
They exchange a look—then follow him into the storm.
CUT TO BLACK.