Lak Rana

It's Emily's moving day, while Hanna worries about Caleb's wheelings and dealings. Aria is concerned about a party that both Ezra and Jason are invited to and Toby reacts to a discovery about Spencer.

The doctors form two teams to operate on conjoined twins; Bailey uses Meredith as a buffer between her and Ben; Alex learns a tough lesson; Teddy asks Cristina about Henry's surgery.

A highly dysfunctional blended family is forced together when they realize a reported virus is actually the onset of the undead apocalypse.

Kate is furiously working hard to shed her unwanted pounds as she continues to struggle with impatience and discouragement. She receives support from her new boyfriend, Toby, as he helps her let loose and enjoy herself. Beth begins to question the motives of Randall's biological father, William, and takes action in getting answers on his activities. Randall has a lot more on his mind with the new life changing addition of having his biological father in his life. Marriage and raising three 8 year old children is beginning to take its toll on Rebecca and Jack (Milo Ventimiglia) as they start to feel distant from one another. Kevin faces the aftermath of quitting his job as he deals with his agent, Lanie (Katey Sagal), and has to figure out how to move forward.

The Sacred Heart doctors and surgeons meet a new crop of interns - and a tough new Chief of Medicine.