Dancing With the Stars | 9pm on ABC

Season Finale: The eliminated celebrities return to perform; performances by Pitbull, Wynonna, PSY and Jessica Sanchez; one couple wins the trophy. Tweet

Undercover Boss | 8pm on CBS

Season Finale: This special episode of UNDERCOVER BOSS features updates on some of the most compelling bosses and how the undercover experience impacted them personally as well as the companies they lead. Tweet

The Office | 9pm on NBC

Series Finale: Past and present Dunder Mifflin employees gather for a wedding and a final round of interviews. (8pm) Actors, writers and producers of the series share their experiences; inside the writers’ room; audition tapes; favorite moments; a sneak peek of the series finale. Tweet

Supernatural | 9pm on The CW

Season Finale: Dean and Sam are cornered as Crowley is poised to undo all the good they have ever done; Kevin tries to help the brothers with a final play against the Demon King. Tweet

New Girl | 9pm on Fox

Season Finale: Jess and Nick make a decision about their relationship; Schmidt and Winston scheme to ruin Cece’s wedding. Tweet

Castle | 10pm on ABC

Season Finale: An interview with a federal law enforcement agency forces Beckett to reconsider her career and her relationship with Castle; a young woman’s body is found inside a flop house’s water tank. Tweet

Blue Bloods | 10pm on CBS

When a family friend is murdered, the Reagans band together to take down the leader of the gang responsible; a second crisis sends Frank reeling. Tweet

Glee | 9pm on Fox

Season Finale: Competition at regionals gets tough when New Directions face the Hoosierdaddies; Rachel learns whether she got the callback for “Funny Girl.” Tweet

Nashville | 10pm on ABC

Edgehill Records throws a party for Rayna and Juliette when they are both nominated for CMA awards; Juliette is faced with new challenges; Scarlett worries about Gunnar. Tweet

Happy Endings | 8 & 8:30pm on ABC

Season Finale: When Penny’s mom and Dave’s dad decide to adopt a baby together, Dave and Penny react irrationally; Brad and Jane join an exclusive tennis club in hope of gaining some time to themselves. Jane is tasked with planning the perfect wedding for her older sister, Brooke (Stephanie March); Dave and Alex hide a big [...]

The Following | 9pm on Fox

Season Finale: Ryan tries to stop Joe Carroll from achieving his goal; Joe guides Claire to a special location. Tweet

Scandal | 10pm on ABC

Information about Huck’s past is revealed; not realizing that someone could be watching, Fitz and Olivia have an emotionally charged conversation; Cyrus becomes increasingly suspicious of Jake. Tweet

Body of Proof | 10pm on ABC

A rich investment fund manager, Gerry Roberts, stands trial for defrauding his investors of a billion dollars, but he is kidnapped as he is leaving court, even though Tommy and Adam are on his security detail. In all the chaos, a protestor outside the courthouse is run over and killed by the getaway car, and [...]

The Following | 9pm on Fox

The Havenport Police Department is brought onto the case and Roderick’s role as sheriff is called into question, which leads him to make a shocking decision that threatens the safety of Joey. Meanwhile, Ryan goes against the FBI, hoping to gain the trust of one of Joe’s followers. Tweet

The Nerdist | 10pm on BBCA

‘Mad Men’ star Jon Hamm and ‘Breaking Bad’ star Betsy Brandy join the couch, including stand-up comedian Rory Scovel, and a special ‘Mad Men’ guest star! Tweet