Liv shares the brain of a former daredevil with her new boyfriend, and the experience brings them closer. Blaine is back to his old ways. Meanwhile, Ravi makes progress in his new research. Finally, a discovery is made that could put Major in grave danger.

When a Dungeon Master is killed, Liv and Clive discover he was up to more than just playing in his mother's basement. Meanwhile, Blaine's experiment does not go as planned. Lastly, Ravi stumbles across some new information that could prove deadly.

Liv and Blaine come to the rescue of one of their own. They consume the brains of a conspiracy theorist and paranoia ensues. Meanwhile, as they continue to search for conspiracy theories that may or may not exist, Liv researches Major's new friend. Finally, Ravi makes a surprising discovery of his own.

When Liv consumes the brains of someone from Ravi's past, not only does it have her wanting to sleep with every guy in Seattle, she also begins having some very intimate visions of Ravi. Meanwhile, Major is faced with a huge decision.

Liv uncovers the shocking truth about the virus and the far-reaching consequences of the vaccine. Majors exams his future as a human. Blaine makes a business proposal.

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.

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.

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.

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.