Last fall, Collider was invited to the Vancouver set of iZombie, alongside a handful of other outlets, to check out the sets and chat with the cast. Rose McIver gave us a good primer for what we can expect in Season 4, without giving too much away (of course), but David Anders (Blaine), Rahul Kohli (Ravi), Robert Buckley (Major), Malcolm Goodwin (Clive) and Aly Michalka (Peyton) also shared some tidbits of their own. Below are some of the hints and teases we were able to get about a season that will not only take the show’s humor to new heights, but will also dive into some pretty serious territory — in a way that only iZombie can, of course:

— David Anders told us a little more about the transformation Shady Plots is having into "Romero’s:" “It feeds the one-percentors. It's a fine-dining establishment. Cemetery-to-table restaurant […] Shady Plots keeps getting new life. But he's still got The Scratching Post, too. He's got his mitts in a lot of different rackets.”

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— Anders also revealed that the character interaction he’s the most excited for fans to see is “the fact that Don E. and Blaine are back together, the two-headed monster, get your right-hand man back!”

— Kohli couldn’t tell us what happens in regards to that Season 3 cliffhanger, but does say it’s resolved almost immediately. “It's something that you just wanted people to be surprised about, and enjoy and figure out what's going on. The only thing I can kind of tease is that it's not, kind of, straightforward answer anyway, it's way more complicated than ‘Are you or aren't you?’ So, that's as good as I can take you.”

— Kohli also revealed that when it comes to everyone's favorite bromance with Ravi and Major, “There's definitely a divide […] There's rarely been a scene where we just hang out at our home. We just don't have time for that right now. The world has become so much bigger and dangerous and story arcs have been more... There's more pressing issues, so, we haven't really had too many bro out moments this season.” Robert Buckley added,

“I think that Fillmore-Graves is absolutely a wedge, mostly with Liv, but it sort of does affect his relationship with everyone. Also just by the sheer geography of the fact that when he's at Fillmore-Graves all day, he's not around the house or the lab. It's funny, because there'll be an episode where it's a big Fillmore-Graves episode, which is awesome, but there's also part of me that's like, 'Aw, I kind of miss my cast. I wonder what they're up to.' But there's still definitely the bromance there, because there's still a lot of interaction. It's just not episodes full of Major and Ravi yet, but we've had some good interactions so far. And who knows? Maybe you'll get a little Chase Graves/Major Lillywhite bromance and you can come up with a fun power couple name for that one.”

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— Still, both actors are very excited about the new places that Season 4 is taking them, in terms of this bigger and maybe even darker world. “This is my favorite season, hands down,” Buckley told us. “I felt a sense of excitement from the writers' room when I started getting the scripts, and something that I loved right off the bat was that everyone's story had stakes. It really was like new Seattle is a powder keg, and there's so much volatility because there's zombies having to coexist with humans.” Kohli agreed, saying, “It’s kept things fresh for us. And on a personal level, I appreciate the commentary, and I appreciate the ecosystem that they've created. The gray is really interesting. […] Obviously there are extremes on both sides, but there is a gray area where that is what we need to debate, and iZombie ... Without being too heavy, never loses its DNA.”

Michalka echoed those thoughts, saying “I think that's we've opened up the scope of what this show does. It started out very much as a procedural, which it still is at its core, but being able to touch on these topics in a way that is tongue-in-cheek but also, really, truly showing this very real aspect of what we're going through right now.”

— When it comes to romantic relationships, Kohli told us that Ravi and Peyton are in a place of friendship, and that he thinks Peyton needs a break from “all of this boy stuff. It's great to have such a strong female character, and romance... It's not really the focal point of this season.” He did say though that the two will always have feelings for one another, but he’s not sure if the writers will address that fully this year or not since it’s not the focus of her character in Season 4. But Michalka added that, “I think there's also a moment where Ravi really shows his commitment to Peyton and kind of takes one for the team, and that happens in the first few episodes. You'll kind of see this shift in the relationship. But it's definitely hopeful for the Ravi and Peyton fans out there.”

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— And as for Major, is there any hope for love? “God, I hope so,” Buckley said. “That guy's life is the worst!” Goodwin spoke similarly about Clive: “It’s drama. It's drama. Poor Clive can't find happiness in his love life. It's challenging.”

— Goodwin also spoke to us about how Liv and Clive are such close friends now, and feel like they also have to prove that they’re the best zombie-human detective team. “We can only solve human-on-human crimes. Fillmore-Graves deals with zombie-on-zombie or zombie-on-human crimes. There's always an initial tug-of-war about who's case this is,” Goodwin explained. “[Fillmore-Graves] are dictators. They have changed the laws, so he has to abide by them […] In return, they will contain and control the zombie problems. Humans still outnumber zombies in Seattle, but we all know at any moment the zombies can say, ‘We're just gonna eat brains and go for it.’ He doesn't like it and that's a constant back-and-forth, constant tug-of-war throughout the entire season.”

— One of the most talked-about brains coming up in Season 4 is “Rapper brain” for Liv, which Kohli shared about, saying: “It's awesome because we are big, big fans of hip-hop on set. We all rap a lot, and rap our favorite songs, and then when Rose got told she was playing a rapper, it gave us an excuse to watch 8 Mile as a group. We've got karaoke tomorrow. And she's fantastic. Her approach to it, as well, is great. It's very delicate, it's not appropriation or anything like that. It's not making, mocking that subculture, it's more a celebration of hip-hop, but it's also a send-up of people who do appropriate other people's culture rather than us appropriating it, so it toes the line pretty well, and it's fun.”

— As for Rom-Com brain, Michalka said that there is a scene with Liv where, “she's falling in love just instantly, and there's a really funny interaction between Rahul and I where we're kind of watching her just, like, rampantly make out with this guy. We're kind of disgusted, because in her mind, it's this super romantic, beautiful kiss, but in real life it's gross and sloppy and everyone just, like, licking each other's faces, and Rahul and I just looked at each other and were like ‘Okay. Yeah. This is happening.’ But it's a really funny brain. I think it's one of our strongest episodes we've done this year.”

— Buckley also teased some of the brains that Major will encounter this season, including “the brain of a professional wrestler. I swung for the fences on this one. I tried to even go bigger than teenage girl brain, which is pretty easy if you watch wrestling at all, but especially when I was coming of age, like when you watched the Macho Man Randy Savages and those guys. It's not hard. You kind of have to go big.”

iZombie Season 4 premieres Monday, February 26th on The CW.

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