While investigating the murder of a Seattle Seahawk superfan, Liv has a surprising vision. Meanwhile, Major is assigned the task of mentoring young, homeless zombies, and Ravi is still carrying a torch for Peyton. Lastly, Blaine is dealing with a threat looming from his past.

It’s a real-life game of clue for Liv after she eats the brains of a despicable dowager and must determine which one of her disgruntled servants killed her. Clive and Bozzio are struggling to maintain a healthy relationship. Meanwhile, circumstances place Major and Liv in opposition to one another.

Love is in the air after Liv eats the brains of a hopeless romantic, and she can’t stop herself from meddling in Clive’s relationship. Major and Liv continue to try to work through their differences. Meanwhile, Blaine is approached with an interesting offer.

Liv and Clive discover the murder they are investigating was the work of a serial killer. Meanwhile, Major enters dangerous territory.

While tracking the murder of a hockey player, Liv stumbles onto Chase Graves’ evil plan. Meanwhile, Major is forced to make a horrible decision. Lastly, Peyton tries to contain a volatile situation.

Liv and Clive investigate the murder of a pretentious theater actor. Meanwhile, Ravi makes a huge sacrifice for Peyton. Lastly, Blaine makes a startling discovery.

After consuming the brain of a bachelor playboy, Liv heads to a club to meet up with Clive and Ravi. Meanwhile, Major is assigned an enormous task. Lastly, Clive is still struggling with the arrangement he’s made with Bozzio.

Liv consumes the brain of a murdered live-action role-playing knight in order to solve his murder; Peyton uncovers a truth about Liv; Major embarks on a mission.

There's a zombie serial killer on the loose and new Seattle is on lockdown. Liv is trapped in the morgue on white rapper brain and Clive and Ravi are playing Dungeons & Dragons. Meanwhile, Blaine concocts his most sinister plan to date. Lastly, Major is on the hunt for the killer.

When Liv consumes the brain of a vice detective who doesn't play by the rules, her newfound recklessness gets her into trouble. Meanwhile, Major is coming really close to discovering Liv's secret.

Liv does Clive a solid and agrees to consume germaphobe brain during flu season. Ravi continues his role as surrogate father to Isobel. Major finally gets to the bottom of things, and Chase continues to spiral out of control. Lastly, Peyton struggles with a very important decision.

While Major whisks Liv out of Seattle for her own protection, Ravi eats the brains of a narcissist to help Clive investigate Brother Love for murder.

The outside world further isolates Seattle while Peyton, Ravi, Clive and Major race to save Liv from execution for her work as Renegade.

While investigating a murder case with no body and no brain to eat, the only evidence Liv and Clive have to work with is a grainy video and a little bit of blood found at the crime scene. Meanwhile, Blaine is up to his old tricks.

Liv, on fitness guru brains, and Clive continue investigating a murder with no body and no evidence. Meanwhile, Peyton approaches councilman Zed with a request but doesn’t get the answer she was hoping for. Lastly, Liv surprises Major with a thoughtful gesture just when he needs it the most.

While investigating the deaths of Gulliver and Nancy, the dynamic duo of Seattle's winning dance team, Liv and Ravi go undercover as dance partners to size up the other contestants aka the prime suspects. Meanwhile, Peyton confronts Major after she's told that one of his soldiers was out of line during a routine lice check at the school. Lastly, Clive and Bozzio receive a shocking surprise during Lamaze class.

Liv, Clive and Ravi investigate the suspicious death of Cornell Piercey, the head of Piercey Corp, a successful traffic app company. Melissa Schultz, Cornell's ex-girlfriend, is now running the company, makes an interesting reveal to Liv and Clive. Meanwhile, Peyton is focusing on maintaining positive zombie PR in the city. Lastly, Blaine is intrigued when he meets Al Bronson of Bluster Magazine, as she is not at all what he was expecting.

While investigating the death of independently wealthy, 19-year-old, Harris Miller, Liv, on brain à la Ferris Bueller, attempts to cheer up Ravi who has been spiraling after learning some unfortunate news. Meanwhile, after a nasty fall at the crime scene, Clive is forced to continue his part of the investigation via FaceTime. Lastly, things are suddenly going from bad to worse for Blaine.

After consuming the brain of the ultimate matchmaker, Liv is determined to find the perfect match for Major. Meanwhile, Blaine will stoop to any level to protect himself. Lastly, Don E contemplates an interesting offer.

While investigating the murder of Eleanor Barba, a chef at a high-end restaurant, Liv consumes her brain and becomes an unrelenting perfectionist who knows just how to break a person to their very core. Meanwhile, Major is on a mission to find out who is betraying the commander.

Liv and Ravi each consume the brain of a very dislikable car salesman and inherit his competitive nature.

Liv and Clive investigate the murder of Miss Teen Seattle beauty pageant contestant, Laurie-Beth Spano, who went into anaphylactic shock onstage in 1999 and ended up in a coma. At the time, police arrested rival contender Velma Charlet for spiking Laurie-Beth's makeup and she was given a four-year sentence. In present day, Laurie-Beth has passed away and Clive has arrested Velma, for her murder. Velma claims to be innocent and Liv consumes Laurie-Beth's brain in hopes of tracking down the murderer.

While investigating the murder of private eye Mick Chisel, who was stabbed in the head with an ice pick, Liv consumes Chisel’s brain in hopes of breaking down how this gruesome murder took place.

Liv and Clive investigate the death of an old school drag queen which leads Liv to eat and shift into the queen’s brain. Meanwhile, Ravi reaches out to Major with an interesting request.

While Major faces a changing of the tide in Seattle, Liv, Clive and Ravi undertake a mission impossible in Atlanta to retrieve the final zombie cure.

As Liv, Ravi and Clive race to finalize the cure, Peyton faces a showdown with Blaine, and Major takes a bold gamble to save Seattle once and for all.