15.12 Galaxy Brain
|Episode #||Season 15, Episode 12|
|First aired||March 16, 2020|
|Directed by||Richard Speight, Jr.|
|Written by|| Teleplay:|
|On IMDB||Galaxy Brain|
|Outline||Dark Kaia's return leads Sam and Dean on a daring rescue mission, along with Jody, Castiel, and Jack.|
|Timeline||Four weeks after 15.09 The Trap|
|Location(s)|| Earth 2|
Sioux Falls, South Dakota
The Bad Place
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Earth 2 -- Four Weeks Ago
Chuck walks into a Radio Shed and over to a display of TVs. The clerk describes all the options for TVs and asks what Chuck is looking for. Chuck says He is looking for an audience, and begins to describes how He made the world but wanted more, so He made other worlds. As He's speaking, some of these worlds appear on the TV screens. Chuck says He realized that the other Sams and Deans in the other worlds don't "spark joy" the way the Sam and Dean of our world do; our Sam and Dean challenge, disappoint, and surprise Chuck. Chuck has an epiphany that He needs fewer distractions, and begins destroying all the other worlds He created.
Sioux Falls, Our World -- Present Day
Sheriff Jody Mills is looking at a dead steer, when Alex calls to say dinner is getting cold. Jody tells Alex that the cattle mutilation is not a monster but human cruelty. Jody tells her to keep the lasagna in the oven and hangs up. She's investigating the barn when she is knocked out by a hooded figure.
At the Bunker, Sam, Dean, and Castiel are discussing Jack's deal with Billie. Sam is concerned that Jack doesn’t have a soul, has been in the Empty for months, and they don’t have a sense of what he's thinking or feeling about all of this. Cas says he trusts Jack, who trusts Billie. Dean agrees that he thinks Billie’s plan is the way forward and that even if she isn't telling them the whole plan now, Billie's strict adherence to rules and order makes him feel like he can believe in her.
Meanwhile, Jack is in the library and notices Sam's, Dean's, and Mary's initials carved into the table, and runs his hand across Mary's. Jack wanders into his bedroom and Merle, a reaper, appears. Jack has been “praying” to Death, but as she's busy, Billie sent Merle to find out what Jack wants. Jack wonders why Billie hadn't helped him earlier, when he was captured by the Grigori. Merle asserts that Billie knew that Jack could handle the Grigori and that Cas would save him. Merle tells Jack that he needs to follow the rules: lay low, wait for instructions, and don't use his powers. Jack agrees. Sam walks by and overhears part of their conversation and walks in to tell Jack how glad they are he is back.
Dean and Cas are having a drink and discussing Kelly Kline's faith in Jack’s goodness. Cas shares how he was so lost after Chuck killed Jack and how he just knew that Jack's story wasn't over. They toast to Cas being right. Dean proposes a toast to revenge, too, but Castiel clarifies that what sounds good to him is Jack fulfilling his destiny. Dean is excited about the possibility of Chuck being killed by His grandson and says it's fitting that they're going biblical on Him. Suddenly, Jody calls and tells Dean she's in trouble and to come get her or she is dead.
Sam and Dean arrive at the barn where Jody is being held. As they release her, Sam and Dean are attacked by Dark Kaia. She asks about her spear and Dean's promise to get her back to her world, "The Bad Place." Dean tells her that the spear was destroyed and recants their deal due to her attack on Jody. With Jody's help, they subdue Dark Kaia and find out she wants to go back to her world because it's dying. Dark Kaia is dreaming about her dying world through the eyes of Kaia, who is alive and stuck in the Bad Place.
Back in the Bunker, Cas and Jack are playing Connect Four when Sam, Dean, Jody, and Dark Kaia return. After chaining Dark Kaia to the kitchen table, they begin to search the lore and check magic supplies for a way to get Kaia back without using Jack's powers. Jack finds a spell, but one of ingredients is the liver of a mandragora. Sam and Dean chuckle and tell them that their father killed the last mandragora and recounted it in his journal under "A Hunt in Fargo." Jack leaves to help Jody and Cas look through the stores in the Bunker; Sam and Dean realize they are stuck without archangel or nephilim grace.
As Jody inventories magic ingredients, Cas leaves a voicemail for Sergei. Cas asks if Jody has told Claire about Kaia being alive. Jody tells Cas that Claire is out of cell phone range in Yosemite, following a presumed lead towards Kaia's killer. She explains how Claire loved Kaia and has spent years looking for revenge. Jody knows that Claire would do anything to save Kaia, but there's no time to get her involved and she's hesitant in case a rescue fails. Jack has overheard this whole exchange and goes to talk to Dark Kaia. Jacks apologizes for not being able to do more, but Dark Kaia angrily rebukes Jack. Jack asks why Dark Kaia came to this world; she tells him how she envied Kaia and her "peaceful" world, but Dark Kaia has realized she doesn't understand this world and is done with it. Dark Kaia pleads for Jack's help, so he dreamwalks with her to see Kaia in the Bad Place.
Jack tells Sam and Dean he used his powers and has to save Kaia because he saw that she's running out of time. Merle appears to remind Jack of the rules and that risking their plan to save one life is "Winchester dumb." Merle threatens to tell Billie, but Jack calls her bluff and tells Merle she can go to tell Billie, but while she's gone, he's going to open the rift and save Kaia. Jack convinces Merle that not telling Billie and working with them to save Kaia is a better plan than Billie finding out that Jack went ahead with saving Kaia on Merle's watch and Merle being punished for it. Merle agrees and says the safest way would be to temporarily fix the cosmic warding in the Bunker that Amara destroyed. She explains that Sam and Dean only fixed the warding sigils that protects the Bunker from demons and monsters, but didn't come close to restoring it completely. They can't fully restore the warding in the short term, but she and Castiel can power it up temporarily, for Jack to open the rift to the Bad Place.
After they upgrade the warding, Sam and Dean pack for going through the rift. They acknowledge that they are taking a risk, but that it also feels good disobeying cosmic entities and doing the dumb, right thing. Jody initially wants to go with them, but Cas asks Jody to stay behind. He says he may never be able to make things right with Claire, but if they failed, she would be devastated, but she would recover since she already accepted Kaia's apparent death. They agree that Claire would never recover if Jody dies too. After Merle and Castiel strengthen the warding, Jack opens the portal and Sam, Dean, and Dark Kaia pass through.
In the Bad Place, Sam, Dean, and Dark Kaia are surrounded by creatures with red glowing eyes. Sam and Dean prepare to fight, but Dark Kaia stops them. The creatures are not after them, but they're afraid of the storm. They find Kaia in Dark Kaia's hut, and after embracing Dean they prepare to leave, but Dark Kaia chooses to stay behind, telling them she never belonged in Kaia's world and should never have left her home. After Sam, Dean, and Kaia make it back to the Bunker, a descending wave of water floods Dark Kaia and her world.
After Kaia has changed into some of Jack's clothes, Jody invites her back to Sioux Falls to live with her and the girls. Kaia asks if Claire will be there and Jody says “She will be, soon,” before the two thank the quartet and leave.
Merle says she believes the warding kept Jack's use of his powers off Chuck's radar and agrees that it was a victory. From out of nowhere, Billie appears and kills Merle with her scythe. Billie is disappointed that Jack is already bending the rules, telling him and the Winchesters how Merle was unable to keep Jack in line and had to die for failing her. Unlike them, she sees the big picture and that saving one life is nothing in the grand scheme. Billie reveals to them that Chuck is destroying every single world except the Winchesters' world, to prepare for "The End". When Sam asks what her plan is, Billie simply tells them that when she became Death, she inherited Death's knowledge and Death's Library, where everyone has a book detailing how they may die, including God. When asked why Chuck would write about His own demise, Billie tells Castiel that God didn't write about His own death, the books write themselves. Due to Chuck wanting to create more worlds, He needed to build Himself into the framework of the muliversal quantum construct for the worlds to keep operating in His absence. In turn, He created His only weakness, that He would one day die like everything else as Death prophesied to Dean ten years ago in Chicago. The details in each book are only known by Billie, unless she lets someone else read them. She informs everyone that Jack is in God's book, as are Sam and Dean. It's their destiny as the messengers of God’s destruction.
In the Radio Shed, Chuck is watching the dying worlds on the wall of TV screens. Chuck gets up to leave and the Clerk asks if he and his world will be spared. Chuck tells him it will be fine and leaves the store. In the sky above Him, which features two moons, flaming meteors fall to Earth. One lands directly on the Radio Shed.
- Sam Winchester
- Dean Winchester
- Jack Kline
- Chuck / God
- Sheriff Jody Mills
- Alex Jones
- Billie / Death
- Kaia Nieves
- Dark Kaia
- Alternate Universe
- Angel Lore
- The Bad Place
- Chuck's Endings
- The Colt
- The Cosmic Balance
- Crew Cameos
- Death's Library
- Death's Scythe
- Good Talk
- John's Journal
- Kaia's Spear
- Men of Letters Bunker
- Sam and Dean's Initials
- Season 15 Callbacks
- Table of Death
- Warding Sigils
- "Pop Tart Heart" by Louden Swain
- (playing on the radio in the Earth 2 Radio Shed store)
- "Mary Mack" by Yadira Guevara-Prip
- (sung by Kaia Nieves in the Bad Place)