Liv eats a cantankerous old man's brain to learn the details of his death; Ravi thinks Major is experiencing a side effect of the cure; Liv visits Blaine.
Liv eats the brain of a murdered, hard-partying fraternity brother; Ravi asks Major to come with him as he searches desperately for the cure; Blaine meets with a mysterious person from his past.
Liv eats the brains of a trophy wife who was pushed to her death from her home's balcony by a hired hit man; Liv and Ravi discover Peyton is back in Seattle.
During an investigation, Liv consumes the brain of a country-singing waitress; Blaine tries to reunite with a former business associate; Ravi is thrown by Peyton's return; Major's downward spiral continues.
Liv, Babineaux and Ravi investigate a peewee coach's death; Liv gives Major a pep talk; Blaine and Ravi work together on the cure; Suzuki's widow visits Babineaux.
Liv unwittingly crosses paths with the most dangerous man in Seattle while investigating the murder of degenerate gambler Harry (guest star RAY GALLETTI). Detective Babineaux has a super-fan moment when he and Liv question NBA Hall of Famer Calvin Owens (guest star and former basketball champ RICK FOX) at Harry's funeral. Meanwhile, Blaine's father (recurring guest star ROBERT KNEPPER - Prison Break) makes a huge discovery, and Ravi delivers some bad news. Major continues to struggle.
When a macabre celebrity magician is killed while attending a magic conference, Liv must eat his brain to figure out which of his many rivals or detractors killed him. Detective Babineaux and the rest of Liv's friends are treated to a goth-magician version of her that no one truly enjoys. Meanwhile, Blaine comes to Liv seeking her help in stopping whoever is killing zombies. Can she unmask the murderers, and then make them disappear (right into a jail cell) or will she be the one getting sawed in half?
Detective Babineaux arrives at the crime scene of a wedding planner who was shot to death, and is shocked to realize that he used to date the victim. To make matters worse, it seems the murder victim was stalking Detective Babineaux, and he is now the number one suspect in her murder. Liv and Ravi pose as an engaged couple in order to infiltrate the victim's wedding planning business. Meanwhile, Major is having a tough time dealing with Liv after she's consumed the brains of a stalker. Recurring guest star STEVEN WEBER appears as Vaugh Du Clark.
Mr. Boss is in the picture as Liv gets super-hero brains. Major gets some real insight into zombie functioning. Ravi gets more desperate to find a cure for zombies.
Liv and Clive visit the set of a popular TV show to find out who killed one of the main characters.
Things become interesting for Liv when she and Clive investigate the murder of a young librarian who was secretly a writer of erotic fiction. Meanwhile, things heat up between Blaine and someone quite unexpected, and Major is hit with an unforeseen snag in his plan.
Detective Babineaux and Liv are investigating a triple homicide, and Liv is shocked to learn that the victims' bodies are missing their heads. A very hungry Liv is forced to consume the brain of an unfortunate social media-hungry soul who was recently run over by a bus. Meanwhile, Peyton (recurring guest star ALY MICHALKA) leans on Ravi for support, and things get interesting when Blaine's worlds start to collide.
Liv investigates the murder of Big Fish, a pathological liar. After chewing down a brain burger, she see-saws between spouting truth and lies the whole episode.
The death of the owner of Ravi's favorite coffee shop, ‘Positivity’, leaves Liv seeing the bright side to everything around her. Meanwhile, the newly found tainted Utopium has unexpected effects on the latest guinea pig. Blaine finds himself in a sticky situation and Liv makes an important discovery about her room mate.
While investigating the murder of a research scientist who was recently demoted at her job, Liv and Detective Babineaux are shocked to learn where she had been employed. Meanwhile, Blaine pays Ravi a visit at the morgue, and Liv discovers something new about Drake (recurring guest star GREG FINLEY). Lastly, Vaughn du Clark (recurring guest star STEVEN WEBER) confronts Major.
Liv consumes the brain of a recently murdered stripper and uncovers some extremely useful information. Meanwhile, Blaine isn't quite himself lately, and Ravi makes a startling discovery. Lastly, Major and Ravi are helping Peyton (recurring guest star ALY MICHALKA) move back in with Liv when she receives a surprising phone call.
Liv and detective Babineaux are investigating the murder of Bailey Barker, a type-A, ambitious, hyper-competitive and driven student near the top of her class. After consuming Bailey's brain, Liv becomes very much like the girl she was before becoming a zombie.
Liv and Ravi are in need of help and find an unlikely ally in Blaine. Detective Babineaux and Dale Bozzio pursue a new lead on an old case. Meanwhile, when Major finds himself in a world of trouble, sleazebag Brant Stone comes to his rescue. Vaughn’s evil side reaches a whole new level of mean.
Working together on a mission, Liv, Detective Babineaux and Major crash Vaughn’s Super Max Rager party, where Rob Thomas performs a song from his solo career. Meanwhile, Blaine reaches out to Peyton for help, which does not sit well with Ravi.