As Sherlock reels at the reappearance of his former lover, Irene Adler, a series of flashbacks unravel the tumultuous events that led to his downfall into addiction. Sherlock and Joan once again find themselves in the crosshairs of the enigmatic Moriarty.

As Sherlock reels at the reappearance of his former lover, Irene Adler, a series of flashbacks unravel the tumultuous events that led to his downfall into addiction. Sherlock and Joan once again find themselves in the crosshairs of the enigmatic Moriarty.

Grey Sloan Memorial Hospital enters crisis mode as the storm rages, resources become scarce and patients flood in by the busload. Meanwhile, one of the doctors fights for their life.

The BAU investigates a murder in which the killer exposes the victim's vocal cords to literally play them like a cello. Meanwhile, Hannibal discovers that the killer, Tobias, murdered the victim as an attempt to gain Hannibal's attention but then makes an attempt to take Lecter's life. Will is driven to distraction by strange noises in his head and turns to Alana, in a romantic way, seeking peace and stability. Hannibal describes his relationship with Will to his therapist, Dr. Bedilia Du Maurier.

Journalist Barbara Walters; from "Now You See Me", actor Jesse Eisenberg; musical guests MS MR.

With the identity of the mole now closer than ever, Olivia and her team are in very real danger. Meanwhile, the latest White House scandal pushes Cyrus to his limits.

When Leonard is considered for an exciting research opportunity, Sheldon becomes jealous and tries to scare him into backing out. Meanwhile, Raj's relationship with Lucy is strained when he tries to get her to meet his friends.

Congress peppers and grills Eric Holder, China seeks peace in the Middle East, a nonprofit provides access to printable guns, and Daniel Lieberman endorses toe shoes.

From "Behind the Candelabra", actor Paul Reiser; from "Mistresses (US)", actress Yunjin Kim.

This special one-hour retrospective features interviews with writers, producers and actors from the award-winning series. There are also some favorite moments from the series and a behind-the-scenes look at the finale.

Months after the airing of the documentary, the workers of Dunder Mifflin, past and present, gather for a wedding and a final round of interviews. Mysteries are solved, hatchets are buried, pranks are prunked.

On Graduation Day, Mystic Falls is overrun with ghosts intent on settling old scores and fulfilling their supernatural destinies. Damon’s life is in danger after a ghostly encounter, while Matt and Rebekah join forces to battle a ghost determined to find the cure. As everyone gathers for the graduation ceremony and the ghosts converge, help comes from an unlikely hero. Caroline receives a touching and unexpected graduation present, and Bonnie’s plan leads to the closing of the veil. Elena makes a decision about the Salvatore brothers and faces an epic confrontation with Katherine. Finally, Stefan discovers a horrifying clue to the mystery surrounding Silas.