Things get out of hand when Louise wins a contest to be Principal for a Day. Back at the restaurant, Teddy has a unique suggestion to help Bob when he suddenly finds himself unable to flip burgers.

Shelagh organises a ballroom dance to raise money for the maternity home, in the hope of taking her mind off May's impending adoption. A terminally ill patient laments that she will not get the chance to dance one last time, but Sister Hilda is determined to make sure she does. Fred suffers an embarrassing condition, and cannot bring himself to see Dr Turner, while Nurse Crane is discharged from hospital and tries to play matchmaker between Sgt Woolf and Miss Higgins. Valerie and Trixie are called to testify in a court case. Last in the series.

After a mishap at work, Peter decides to take his health more seriously and diet with the help of Quagmire, Joe, and Cleveland. When Lois takes a stab at writing a romantic fantasy novel, a curious Brian and Stewie investigate to find out who she might have a crush.

Oscar, a recent arrival from Puerto Rico, starts a construction job and develops a crush on a bodega worker. Sophia steps up when her family’s annual fireworks display hits a snag. The Guy and Lee attend a “Holidazzle” boat party, where they run into a familiar face.

Elizabeth visits the Middle East to finalize a deal to bring U.S. troops home, but complications arise when a local woman’s life is threatened by rumors of a romance with one of Elizabeth’s staffers. Also, Henry provides relationship advice to Elizabeth’s brother, Will.

The NCIS team investigates the murder of a journalist who was writing an exposé on a mishandled classified military operation. Also, as their wedding day quickly approaches, Kensi and Deeks work on the last remaining items on their to-do list.

Frank’s injury gets in the way of everyone’s plans as Fiona attempts to get her life back on track and Lip grows frustrated with his relationship with Tami. Carl gets some bad news about his future, and Debbie finally makes a move on Kelly. Kevin and Veronica get in trouble at the twins’ preschool.

Manchester Black breaks out of prison with the help of his new team, The Elite, who are set on punishing the anti-alien forces. Supergirl pulls double duty as she tries to apprehend Manchester Black and his team as well as deal with a shocking new development with Ben Lockwood.

Homer steals Comic Book Guy's car and must either prove his innocence in court or reconcile with him.

While one community struggles to ease tensions that threaten to divide from within, the true nature of another group comes into focus; a mission to rescue a friend has deadly consequences.

Matt LeBlanc and Chris Harris review the new Bentley Continental GT, while Chris also attempts to tame the scariest Porsche 911 of all time. Rory Reid test drives the new Renault Megane hot hatch, and Gregory Porter joins the team in the studio.