Mr. Schuester has the Glee Club split up into pairs to sing their favorite ballad, but when one kid gets sick, he’s forced to step in and winds up in…

When a body of a young woman is found inside the dryer at a laundry room, Castle and Beckett uncover that the young woman worked as a nanny in the…

An Orthodox Jew enters Witness Protection, but his wife refuses to join him. The situation is made more complicated by the fact he is being pursued by a man motivated…

Violet discovers she’s pregnant, but is unsure which of the men in her life is the father of the child. Addison deals with her guilt for kissing Wyatt. Meanwhile, Charlotte…

Pacific Wellcare, Charlotte’s practice opens, and the competition with Oceanside Wellness starts; Dell suggests that an in-house adoption program should be created.

While working another shift, Jaye is approached by a young girl who, after an introduction, tells her that she stole her wallet. As she gives it back to her, Jaye…

Don buys a new car; Pete, Harry and Ken strategize to attract new business; Don’s secretary makes a grave error; Cooper has a new piece of art in his office.

Paul hosts a party at his apartment and introduces someone special to his Sterling Cooper colleagues. Peggy visits her family for dinner. Despite a conflict of interest, the Sterling Cooper…

It’s Valentine’s Day, and the Sterling Cooper advertising agency is hustling to stay on top of its game and buzzing over the newest office equipment. Don and Duck find themselves…

Don and his father-in-law cross paths. Meanwhile, Peggy is in search of a new roommate; and a rich new client is excited to be doing business with the firm.

While working to locate a missing local girl, Allison learns about secrets from Cynthia Keener’s past. Meanwhile, Joe’s relationship with Allison is tested after Bridgette’s science class project sparks his…

A shocking and brutal conclusion awaits Allison and Cynthia as they delve into the decade-old case of the kidnapping and murder of Cynthia’s daughter. Meanwhile, Joe tries to get funding…

When Teddy’s patient seeks to end treatment and her life, she turns to Hunt for help. The situation triggers Hunt’s memories of his life at war and his past relationship…

When Alex’s younger brother, Aaron, shows up at Seattle Grace-Mercy West with a hernia, it’s up to Alex to get Bailey’s approval for his pro bono surgery. Matters are further…

Sloan returns to Mark’s apartment, just as she’s going into labor, and Teddy, Mark and the still-fighting Callie and Arizona are there to help with the birth and to get…

Bailey preps the team with mandatory sensitivity training prior to admitting a 700-pound patient with compounded medical issues, and the case proves to be challenging in every sense of the…

An elderly patient admitted into the E.R. for a heart condition sees a familiar face, a long lost love who happens to be in the E.R. as well for a…

Seattle Grace Hospital is hit with a crisis like no other in its’ history.

Cristina and Meredith’s surgical skills are put to the ultimate test.

It’s Valentine’s Day, and the doctors must treat dozens of injured people after the roof collapses at a popular romantic restaurant; Derek tries to manage his busy schedule as Chief…

As Derek begins his role as interim chief, he faces a potential lawsuit when Bailey and Meredith’s patient awakens from anesthesia mid-surgery. Meanwhile, Teddy refuses to place Cristina on her…

The residents of Seattle Grace and Mercy West vie for surgeries and their careers as day one of the hospital merger begins. Meanwhile, Arizona stands by an enraged Callie when…

After a burn victim unexpectedly dies in the midst of a chaotic ER, the Chief and board member Jennings interrogate the residents to find the culprit, as all the Mercy…

The blood shortage at Grey Sloan Memorial continues. Meanwhile, Meredith makes a risky decision regarding a patient, and Owen’s actions to help his fellow veterans come to light.

Jackson pays a visit to his father that helps set him on the right path.

Gary, a teenage nerd, conjures up a body-switching spell and changes bodies with Sam. Thrilled by his new handsome and built body, Gary (now Sam) investigates a case with Dean…