Donna rescues Wendy and kills Clegg's accomplice while Dean kills Clegg in time to save Sam's life. As Claire sits down to eat dinner with her family and swears revenge on Kaia's killer, another rift opens and the hooded figure emerges. Meanwhile, Jack Alexander Calvert believes that he has found a case and convinces Dean Jensen Ackles to partner-up with him on the hunt. They only appear in , , and. We hope you love the products we recommend! As well, Asmodeus has prisoner the Archangel Gabriel who has been believed dead for nearly eight years. Lucifer arrives back in the correct time, but is greatly weakened. Dean admits to Sam he needs a victory, and they are reunited with Castiel.
Following an attack by a mysterious group, Sam learns that in 1925, a rogue Man of Letters named Diego Avila opened a rift into another dimension and brought forth the god Yokoth to cleanse the Earth. Amara ate his soul, but he has been mentally making the moral choice ever since, and he was drawn to Jack's power. Jack gets Lucifer to resurrect Maggie who later identifies Lucifer as her killer. She sees the Winchesters as important to the universe with work to do. Having grown to care for the humans of Apocalypse World, Jack decides to kill Michael in order to end his war of extermination and save what's left of the human race. The brothers, Castiel and Jack get into a shootout with Dave; Jack blasts him with power but accidentally kills a bank security guard, while Dave escapes. To Dean's shock, he witnesses a group of angels holding the alternate reality version of his old friend Charlie Bradbury captive.
When Mia refuses to kill them, Buddy prepares to shoot Sam when he walks into the room. As Claire and Kaia travel to the Bad Place to rescue the Winchesters, Jody, Alex, Patience and Donna work together to kill several attacking monsters. With Lucifer becoming more human, he begins draining other angels' graces in an effort to restore his own. The birth of Jack leaves the Winchester brothers with differing opinions on how to deal with a Nephilim. During the fight, Luca saves Dean's life and the Winchesters learn that Greenstreet lied about having the saint's blood.
Castiel justifies that they are fighting a war for their very survival and reveals that they need the grace of an archangel, a fruit from the Tree of Life, the seal of Solomon and the blood of a most holy man. Jack arrives and severely injures Michael before Lucifer's actions are revealed. Due to Kaia's visions of another reality populated by monsters that she calls the Bad Place, the Winchesters end up in the Bad Place instead while Kaia is deposited on the side of the road and Jack finds Mary. Michael is the stronger of the two, and keeps this Lucifer alive because he needs him for something. While the brothers argue over him, Jack says Castiel's name; Castiel hears this and wakes up in a void of nothingness. Asmodeus locks up Lucifer and Castiel and tricks the Winchesters into thinking everything is fine; having worked with Arthur all along.
At the same time, Lucifer struggles in his new role as the ruler of Heaven, ultimately alienating Anael with his behavior. With Lucifer now virtually unstoppable, Dean makes a deal with Michael where he will become Michael's vessel to fight Lucifer but Dean will remain in control. Meanwhile, Sam goes behind Dean's back to recruit Charlie and Castiel to help Rowena decipher the Book of the Damned. She lets the ghosts move on and sends Dean back, stating his choices decide how he dies. At the same time, Castiel and Lucifer form an alliance to escape Asmodeus' custody. When Arthur reports his failure to Asmodeus, Asmodeus reveals that he has acquired an Archangel Blade, the one weapon that can kill Lucifer.
After being drained of his grace, Jack is adjusting to life as a human, learning new skills and figuring out how he fits in to this world of hunters. Dean insists he will be fine but clearly isn't. The ghost helps the Winchesters and Castiel fool the Scooby Gang into thinking that it was a human villain before returning the Winchesters and Castiel to the real world. A grief-stricken Dean, Castiel and Gabriel are finally reunited with Mary and Jack in their camp in the ruins of while Sam is unexpectedly resurrected by a recharged Lucifer. Meanwhile, Sam continues to work with Jack on learning how to control his powers.
This episode is a crossover with. During the raid, Luther realizes the truth and kills Grab, a demon, before being captured by the Winchesters. Dean tries to shoot him and he knocks out both Winchesters with a sonic scream, leaving to search for his father. Dean agrees to take him to the bunker, but only until they can find a way to kill him. The Winchesters choose to help Luca and discover that Margaret Astor had murdered the thief to auction the skull off to everyone interested. At the bunker Dean gives Jack some approval; and wants Sam to keep believing Mary is alive, admitting that he no longer seems to believe in anything anymore. However, when plans go awry, the Winchester brothers are the ones who need saving.
Meanwhile, Castiel may be in over his head after meeting up with an unreliable source. Dean loves all Western scene material. With Lucifer dead, the Winchesters and Jack celebrate only to have Michael betray his deal, take full control of Dean and depart. To the group's shock, they discover an actual ghost that begins killing people and the Winchesters and the Scooby Gang are forced to team up together to stop it. At the same time, the Winchesters learn that Rowena is using her new powers to kill both humans and Reapers and alter fate. Working together, Gabriel and Rowena succeed in capturing Lucifer and the Winchesters, Castiel and Gabriel travel through the rift to Apocalypse World.
Unfortunately, a man who claims the book belongs to his family shoots her. Barthamus kills Luther, but the Winchesters reject his deal due to Barthamus' actions. Its also revealed that when Rowena permanently dies, Sam will be the one to kill her as dictated by fate. Sam Jared Padalecki devises a plan to try and reach Dean and stop Michael before anyone else has to die. Gabriel, low on power, asks the Winchesters for help with getting revenge against who, along with his sons Fenrir, and , had sold Gabriel to Asmodeus when Gabriel sought their help. Meredith Glynn April 26, 2018 2018-04-26 T13.