Wilkin and Toran encounter a new timeline for their revenge. Lady Love gets a surprise visit from an unlikely ally.
Kelsey puts his life in the hands of a newbie polar bear guide in order to contribute to an important polar bear ID project, while Dennis comes to the rescue as Brian's bear security recruit gets schooled.
When the earth moves under George's feet, the opportunity for him to slay a demon from his past presents itself - and leads to the issuing of a very rash challenge.
After saving Luci's life, Paul is given the go-ahead to fix her nose. Terry repairs a DJ's oversized chest and the doctors help a woman find a solution for her terrible Tijuana procedures.
Andi tries to get Jessie's powers back; Jessie befriends Ethan; Ben tries to be like Luke; Ruby begins honing her new powers.
Cara gets roped into to going to school camp with the kids. Meanwhile, Dave steps up and looks after the teenagers.
The battle rounds continue and the coaches enlist the help of their advisers: Adam Levine teams up with John Fogerty, Blake Shelton with Brad Paisley, Gwen Stefani with Selena Gomez, and Pharrell Williams with Missy Elliot. Coaches pit 2 singers from their team against each other in a dueling duet where the loser either goes home or is saved by an opposing coach using one of their two available steals. Those that remain will proceed to the knockout rounds.
When a known murderer restarts his killing spree, a twist of events leads the team to investigate a group espousing social justice.
As the pieces of the big job fall into place, the uneasy trust between brothers and partners crumbles in the light of betrayals and new loyalties.
As Eddie's first school dance approaches, Louis is determined to make the night as perfect as a John Hughes film. Meanwhile, Jessica spends the day with Grandma Huang in hopes of getting on her good side so she will invest in her new business venture.
Vance partners with Gibbs and returns to field duty when a murder case is connected to a former NCIS agent he locked up for stealing evidence.
Brian's loyalty to the FBI is tested when Sands, Senator Edward Morra's representative, demands he steals the FBI's secret files on NZT. Also, Agent Harris is emotionally conflicted when she learns what her estranged father left her following his death.
With Halloween just days away, Dean Munsch makes an announcement affecting the campus and, specifically, Chanel's plan to throw a pumpkin patch party in support of her Kappa Kappa Tau presidential campaign. Meanwhile, Grace and Pete lead a search party for a missing friend, which steers them closer to the Red Devil than ever before, and Chanel #3 and #5 learn what life would be like without Chanel.
When Jimmy realizes that he doesn't know much about Gerald, he decides to take him out for a night on the town. Meanwhile, Annelise hires a new mixologist to spice things up at the restaurant.
Convinced that the only explanation for Claire’s non-interest in him is that she’s a mole, Dean tells Stewart that Claire is sharing secrets with a rival firm. Although Stewart dismisses the accusation, Dean is set on proving his brother wrong. Meanwhile, Deb and Claire strike up a friendship, the gossipy nature of which propels Stewart to question whether Claire can be trusted after all.
Computer ads, board games and puzzle books come under Dave's gaze, along with his jigsaw habit.
Casey is placed in a dangerous situation while working undercover to bring down a trafficking ring being run out of Nesbitt's club. The squad's high turnover rate results in an unwelcome surprise for Severide. Dawson recognizes that her life is about to change. A new candidate makes an unusual first impression. Residents band together to protest a drug den in their neighborhood.
Trish decides that she wants to have a baby via sperm donation and needs someone she knows rather than a random donor. Meanwhile, Natalie pretends she is deep in debt in order to avoid moving in with Karl, but her lie looks like it could backfire when Karl considers selling his swimmers to Trish to help her out!
Carter struggles to keep up with school and her secret job at the bar; Taylor and Max try to celebrate an anniversary; Crash gets a new assignment.
Liv and Detective Babineax investigate the murder of a hard-partying frat boy whose death shocks everyone. After consuming his brains, Liv attends a fraternity party in an attempt to search for clues, but ends up ruling the beer pong table instead. Still desperate to find the cure, Ravi takes matters into his own hands and brings Major along for the ride. Meanwhile, Blaine meets with Angus, a mysterious person from his past.