The three newest bodies in Seattle turn up decapitated, leaving Liv without brains to eat to solve their murders. While she helps Clive anyway, Liv hears about a new drug dealer in Seattle. Meanwhile, Peyton turns to Ravi for support and considers quitting her job, and Major is forced to prove his loyalty to Max Rager when Vaughn learns that someone Major declared a non-zombie... is.
Major natural anomalies and varied human activities are investigated.
Michael tries to make it up to Stella after he discovers Rob's secret. Aunty Brenda gets a blast from her hippy past and things heat up between Ivan and Nadine.
When Dean scares off a big prospective client by being too dramatic, Stewart tells him maybe its finally time to let go of his Grinder persona and come down to earth. He tries to convince Dean he should go to therapy. Dean reluctantly agrees, but in typical Dean fashion, he overcorrects and begins therapizing the whole family, including Debbie, who is now tempted to quit her grueling job.
Barry, Wells and Cisco journey to Earth- to rescue Wells daughter, Jesse from Zoom. Barry is stunned when he runs into Earth- Iris and Joe, but nothing prepares him for meeting Killer Frost and Deathstorm. Meanwhile, back on Earth-, Jay has to take over the Flashs responsibilities when a meta-human nicknamed Geomancer attacks Central City.
O.J. Simpson goes missing in the white Bronco and Robert Shapiro and Robert Kardashian battle the fallout while the D.A.'s office and the LAPD go searching for O.J.
Dr. Halstead jeopardizes his career when he goes against a family's order regarding a terminally ill cancer patient. Meanwhile, April and Dr. Reese treat a homeless man, and Choi's personal issues emerge while caring for a bipolar patient.
When Edie is bitten at school, Jimmy and Sara go to great lengths to find out who did it. Meanwhile, Ravi sets up a meeting for Gerald and Vanessa to meet a flashy tech investor named Kirk, but once they meet him, they are not so sure theyd like to do business with him.
Severide confronts Chili about her erratic behavior. Members of the firehouse rally around Casey, who they think would make a great candidate for alderman. Jimmy squares off against Antonio in the first annual "Battle of the Badges" boxing match.
Patricia Arquette, Senator John McCain, and Julianne Moore explore their genealogical heritage with Henry Louis Gates, Jr.
The stakes get higher as shine season nears its end. Mark and Digger leave disaster behind for a new still site as Patti and David's jalapeno whiskey drives them to sell in unfamiliar territory.
Tensions escalate between Alec and Clary as they don't see eye to eye on the best way to hunt down Valentine. But when Jace and Isabelle are sent on an intel mission to the Seelies by Maryse Lightwood, Alec is put in charge of keeping Clary safe, much to both of their chagrin. With his hard-as-nails mother back in town and Clary's rule-breaking tendencies, Alec finds himself struggling to stick to the Claves rules while keeping his promise to Jace. Meanwhile, the New York City Werewolf pack begins their hunt for Clary and The Mortal Cup.
When Miss Piggy suffers a scandalous wardrobe malfunction, the network is outraged, and Piggy is forced to question everything she stands for, but Kermit and the gang rally together and come to her defense. Meanwhile, Gonzo misses his ex-girlfriend Camilla, so Pepe and Rizzo decide to throw a house party to cheer him up.
Moira tries to beautify the town. David misuses the company credit card. A grooming misstep forces Alexis and Mutt to question their relationship.
As Jarvis precision and quick-thinking skills are put to the ultimate test, Peggy must find a way to stop an atomic explosion that threatens to destroy all of California.
Amberle and Eretria run from bloodthirsty Elf Hunters who relish in cutting off elves ears for fun, while Wil searches for them with the help of an unexpected friend. At the palace, the King sends Ander and Arion to assassinate the Dagda Mor - with devastating consequences.
Chip and Jo are looking for a property for David Ridley, one of Waco's most eligible bachelors. They find him a spacious lakeside home and transform it into a modern ranch.