We’ve got something really cool coming up in Episode 5, where it will be the triumphant or not so triumphant return of the Thule, who have decided to enact their master plan and bring back Hitler,” showrunner Andrew Dabb tells us. “And the way we describe our Hitler is ‘a psychotic Richard Simmons,’ so a little different than the standard portrayal. Sam and Dean are going to fight Hitler, and that’s opening up some interesting doors for us in terms of just doing some more crazy stuff.”

Supernatural is exhuming a Führer-ious piece of mythology in Season 12, tapping Adam Rose to reprise his role of Aaron Bass as Sam and Dean prepare to do battle with Hitler.

The Veronica Mars vet previously appeared in the Season 8 episode “Everybody Hates Hitler” as the grandson of a member of the Judah Initiative, the secret group of rabbis formed to fight the Thule Society. Rose’s character reappears in this season’s fifth episode, which, not so coincidentally, also features the return of the Thule Society.

“[They] want to enact their master plan and bring back Hitler,” showrunner Andrew Dabb previously teased to TVLine. “Sam and Dean are going to fight Hitler, and that’s opening up some interesting doors for us in terms of just doing some more crazy stuff.”

Winchesters vs. Thules. “We find out that the Thule, who are back….we believe they may have been in control or in possession of a cursed object of sorts that might have a bit of Hitler’s soul,” Padalecki teased. “And they’re trying to do a Jurassic Park and take the amber out of the tree sap and the mosquito DNA or whatever. Obviously we don’t know how it’s going and so we have to kind of go back and track the Thule and figure out if, in fact, they have succeeded. Though Hitler’s vessel, thankfully, is gone.” However, while Hitler’s vessel may be gone, you should expect to see the “SUPERNATURAL take on what Hitler was really like behind the camera.”

Sam’s Powers. Sam hasn’t used his psychic powers in many years, but the last episode brought them to the forefront when he found another psychic — Magda — who was punished by her deeply religious family for the abilities she was unable to control. Sam managed to get through to her rage by recounting his own experience with the same types of powers. But that doesn’t mean that these abilities will be returning, according to Padalecki. His conversation with Magda was about connecting with her and trying to get her to look past her desire for revenge: “I don’t think it’s something he feels is going to come back or he’s hoping will come back. I think he probably – even though there were obvious benefits, I think he’s probably hoping it doesn’t come back, but he acknowledges it. He considers it part of himself.”

The British Men of Letters. At the end of the last episode we met the mysterious Mr. Ketch, who is cleaning up the “messes” that the Winchesters leave behind. While the pair chose to let psychic Magda live and repair her life after she was held captive by her own mother, Ketch and the British MOL executed her. This is a storyline that will continue to plague the brothers, according to Ackles: “It’s interesting, we’re going to see that storyline get fleshed out in the second half of the season. There’s gonna be some recruitment attempts, some disagreements about methods of hunting, and that will certainly boil to a point. But as of right now, [the British MOL] are trying their method of trying to include us by showing that they have a superior method of dealing with these things than we do, and they’re trying to get us on board with that. But I think we’ll find out in the future that maybe their methods aren’t the best way.” Padalecki called back to an older storyline, saying that it felt familiar in these circumstances: “For me it’s reminiscent of season 6 when Sam was soulless and kind of behaved much the same way the British Men of Letters are behaving now, or at least in their hunting tactics and Dean was obviously not, so it’s fun to revisit that.”

Reconnecting with Mom. In the last episode we also saw the brothers try to deal with losing Mary all over again. This time their mother chose to take a bit of space away from her boys in order to deal with being overwhelmed after recently being brought back to life. The brothers dealt with this fresh loss in different ways — Sam was understanding of Mary’s need for space, but Dean felt incredibly hurt by her decision. By the end of the episode he seemed more accepting of it when he received a text from Mary saying that she would always be their mother and that she loved them both. But the awkwardness will continue as the boys struggle to learn the real life person behind the mythical figure Mary has been all their lives. Ackles explained that “There are certainly two different relationships going on, from Sam’s perspective and then from my perspective as well, or rather Dean’s perspective. Because Sam never had a relationship with mom. He was an infant. And Dean didn’t have much of one either. A lot of what he knows and what he remembers about his mother was kind of dictated to him by his father. It’s more his father’s memories of her than it is Dean’s established memories of her. But it’s unique because she’s their mother, but she’s also kind of a stranger. Obviously the brothers are strangers to her as well, which is why you see this struggle to find their footing in the relationship because it is a forced situation. And at least from Dean’s perspective, he doesn’t really know how to fit. He doesn’t know how to categorize the relationship. It’s an awkward thing which I think lends itself to good story.”