In an effort to find a way home, Peter journeys to the Other Side to confront Walternate. However, his venture proves more dangerous than expected. Meanwhile, Olivia receives a dire premonition from an Observer.
Sam and Dean tangle with the God of Time, who sends Dean back to 1944, where he is immediately arrested by none other than the one and only Eliot Ness. While trying to figure out how to retrieve his brother, Sam is surprised by the reappearance of an old friend.
Michael and E-Mo clash over a patient's treatment; a teenager abandons her baby at the clinic after giving birth.
As Chuck and Sarah try to realize a new, safer future, Morgan’s past as the Intersect sends them to Vail on one last mission, where they enlist the help of an unlikely source — the legendary Bo Derek. Elsewhere, Jeff and Lester continue their own spy mission.
Fabian keeps the Jackal mark a secret, while Nina’s map leads them to a secret door in the cellar, but she needs the right code to get in. Amber saves Nina and Fabian from Victor, and insists they tell her what’s going on.
Danny and Jackie investigate a murder scene at a diner, where a witness claims a uniformed officer fled the scene after shots were fired.
A home invasion investigation becomes more complicated when the victim's family turns out to be less perfect than they originally seem.
Michael uncovers the amazing oil fields hidden underneath England's quiet seaside resorts, discovers the crucial role Weymouth played in the D-day landings, and heads to the cradle of Victorian Britain's most prestigious building rock, Portland.
A peace conference between Separatists and Republic delegates is interrupted by Lux Bonteri, the son of a late Separatist Senator, who involves Ahsoka in his dangerous search to find justice for his mother's death.
Leslie enlists everyone's help in staging an attention-getting event. Ben takes up a new hobby, while April and Andy adopt a pet.
The storms hit earlier than expected; search for a newborn calf and its mother; Otto builds shelter for his herd.
Although Caroline is in no mood to celebrate her 18th birthday, Elena, Bonnie and Matt surprise her with a small party in an unusual location. Damon and Stefan disagree on the best way to handle Klaus , and a reckless Stefan decides to test his theory by taking things to dangerous extremes. Bonnie is concerned when Elena tells her about Jeremy's new plans. At a Founder's meeting, Alaric once again runs into Dr. Fell, who is in the middle of an argument with her ex-boyfriend, the medical examiner. Tyler refuses to go along with Klaus' latest demand, and is surprised when Klaus seems to accept his decision.
Sheldon gets in trouble with Amy when he isn't impressed by her recent accomplishment, and Howard must come to grips with Bernadette's dislike of children.
The doctors split into teams for a risky surgery involving conjoined twins; Bailey recruits Meredith to be a buffer between her and Ben when he puts pressure on moving their relationship to a more serious level; Richard teaches Alex a tough lesson in the OR; meanwhile Teddy questions Cristina about what exactly happened to Henry during his surgery.
Jane and the CBI team narrow down the long list of suspects after a high-end divorce attorney, with many enemies, is killed on his speed boat. Meanwhile, Jane is questioned by Agent Darcy about whether Red John was responsible for Panzer's murder.
Cassie asks Adam for help when she wants to look into her father's past, and their search leads them to an eerily familiar place. It also rekindles an old flame when Adam, thrilled to be spending time with Cassie again, asks her to the Fire and Ice dance. But because of her friendship with Diana Cassie is forced to give a surprising response. In an effort to be a better father, Ethan offers to chaperone the dance, much to Adam's dismay. Faye asks Lee to help her with a spell that would grant her individual magic. Unfortunately, the spell has some terrifying side effects that nearly destroy the Circle.
Reese is confined to a wheelchair recovering from his gunshot wound, but Finch sets him up in an apartment where he’s to keep an eye on the Super, who is their latest POI. Also, Finch approaches Carter and gives her a POI to show her what they do.
Senkhara leaves her mark on Nina, and Fabian’s godfather, Jasper, advises her about the mark and the Mask. Nina thinks the Mask is in the house – and then the dollhouse opens to reveal a map. Poppy researches her and Jerome’s father.