Chyna and Fletcher meet Zanko (Ernie Grunwald), Fletcher's favorite artist. Zanko is having trouble with inspiration, so Chyna urges Fletcher to give Zanko one of his paintings to inspire him. But when Zanko passes the painting off as his own at his comeback party, Chyna creates an elite team to rescue the painting and gets the help of Olive, Angus, and "Wacky, the Wolf". Meanwhile, Paisley and Lexi audition to be a princess for a kid's birthday party for Chyna's mom, Roxanne.
After Tom McMahon becomes the third victim following some suspicious fires, Alan realises that he is now attempting to catch a serial killer. His superiors warn him to keep his distance from the Aspern family who are trying to lodge an official complaint against him. Banks is determined to locate the ringleader of the art forgery scam which links two of the victims. Annie continues to see Mark Keane, despite Banks’ warnings. After Banks finally discovers the true identity of ‘Morrison’, he quickly realises that Annie could be in real danger.
Jocelyn undergoes a highly liberating experience (she gets a dragon tattoo) that changes her relationship with Michael. Meanwhile, Liz has a crisis on the job and must rely on Michael to help her through it.
Judea has brought her divorced parents who have not seen each other in three years to her appointment. As they disagree on everything, Judea struggles to keep the drama at bay. Jane has tried on more than 100 wedding gowns and has yet to find "the one".
Ben's parents' evening proves eventful, while Mum suspects that Jake is hiding something.
Iron swords forged in blazing hot fires... Gunpowder with the power to tear apart human flesh... And rockets capable of destroying entire cities... Throughout history, advances in technology have lead to the development of powerful weapons - each more deadly than the last. But were these lethal weapons the product of human innovation - or were they created with help from another, otherworldly source?
While Janet and Lina wrestle with a potential child sociopath, Richard crosses the line with a key witness. And Tatum discovers that running her own case is far from a drag.
Jane gets a rough start in her new New York homicide squad when she questions her new colleagues' work on a mysterious murder case. After complaining to her lieutenant about not getting cases, Jane manages to find a unique angle to help solve a crime. Meanwhile, Jane goes to her father for advice.
Billy continues his journey in St Louis, Missouri, where he climbs the Gateway Arch and lunches at a restaurant where the chef is a soul music legend.
Leslie is torn between Ben and her dreams of running for public office, while Ron braces himself for the arrival of his first wife, the original Tammy.
Robert California stops by for the first time as CEO and leaves behind a mysterious list that has a line down the middle and every member of the office on either one side or the other. The office members frantically try to figure out what it means. Meanwhile, the new manager Andy faces a crisis.
As Jeff tries to keep Pierce from rejoining the study group, Dean Pelton faces off with Vice Dean Laybourne for control of Greendale.
In an effort to distance herself from the Circle and establish a normal teenage life in Chance Harbor, Cassie befriends Sally Matthews, a non-witch. Concerned their powers are getting out of control, Diana pushes everyone to bind the Circle, but Faye is thrilled with the increase in her powers and refuses to participate, while Melissa flirts with Nick despite Faye's warnings. Meanwhile, Adam fights his growing feelings for Cassie, but circumstances continue to throw them together, forcing Cassie to make a decision.
News of Meredith and Derek's unsteady relationship raises a red flag for Zola's adoption counselor; Alex quickly realizes that he has become the outcast of the group after ratting out Meredith; and Cristina makes a tough decision regarding her unexpected pregnancy. Also, Chief Webber brings Henry in for a last minute surgery, alarming Teddy. This is an historic episode that finally crosses a long-standing barrier.
When the social security number of a young prosecutor comes up, Reese and Finch work together to figure out if their person of interest is the victim or perpetrator.
Penny is worried with how damaged her friendship with the guys will be in the aftermath of her sleeping with Raj while Sheldon becomes the leader of the paintball team.
The fifth-year residents return for the first day of a year that will make or break their careers: Meredith faces the consequences of tampering with Derek's clinical trial and is terminated at the hospital; April tries to step up to the plate as Chief Resident in the wake of a giant sinkhole in the middle of Seattle; and Cristina and Owen are still at odds over their drastically different feelings for their unborn child.
A fight between Sheldon and Penny leaves Amy caught in the middle, while Leonard tries to spice up his long-distance relationship with Priya.
Klaus puts a plan in motion that will give him even more power, but even with the unwilling participation of werewolf Ray Sutton, things don’t go exactly as Klaus had planned. Damon and Alaric reluctantly go along with Elena’s new strategy to find Stefan, leading Damon into a dangerous fight with an unexpected enemy. Jeremy turns to Matt for help as he continues to try to understand what the ghosts from his past want from him. Unaware that Caroline is in need of his help, Tyler faces an emotional confrontation with his mother.