The Vampire Diaries (8pm, CW) - The fourth season ends on graduation day when ghosts overrun the town and try to settle old scores and fulfill their supernatural destinies.
The Big Bang Theory (8pm, CBS) - In the Season 6 finale, Peny and Sheldon are knocked for a loop when Leonard is offered a great job opportunity overseas.
American Idol (8pm, Fox) - The Top 10 singers reunite for a group performance before the Season 12 winner is announced.
The Office (8pm, NBC) - The farewell to "The Office" begins with a retrospective of the show, with interviews with writers, producers and actors, including John Krasinksi, Jenna Fischer, Rainn Wilson, Mindy Kaling and Paul Liberstein. The final episode, which airs at 9, jumps forward six months from last week's episode, and has past and present staffers gathering for Dwight and Angela's wedding. Then the Dunder-Mifflin workers are subjected to final interviews from the documentary film crew (even though the documentary aired six months prior -- I'm assuming they'll explain that.) Expect lots of special guest stars. The episode runs 75 minutes.
Elementary (9pm, CBS) - The two-hour Season 1 finale has Sherlock Holmes dealing with the sudden reappearance of his former lover, Irene Adler, and recalling the events that led to his drug addiction. All of this while Moriarty pursues Sherlock and Joan.
Grey's Anatomy (9pm, ABC) - In the ninth season finale, a severe storm rages outside and the hospital's resources become limited as more storm victims arrive. And of course, one doctor's life will be in jeopardy.
Beauty and the Beast (9pm, CW) - Secrets about Cat's family are revealed in the Season 1 finale. Later, Gabe takes drastic measures. Way to be vague, CW!
Scandal (10pm, ABC) - In the Season 2 finale, Olivia's team members are in peril as the mole's real identity is about to surface. Also, Cyrus has trouble managing the pressure of the most recent White House crisis.
Hannibal (10:15, NBC) - Because of tonight's 75-minute episode of "The Office," NBC is running "Hannibal" with limited commercial interruptions. In the latest installment, a killer exposes his victim's vocal cords in a murderous attempt to gain Hannibal's attention. Also, Will struggles with bizarre noises in his head, and Hannibal visits his own therapist to discuss his relationship with Will.
Which Way Is the Front Line From Here? (8pm, HBO) - Two days before the anniversary of the deaths of war photographers Tim Hetherington and Chris Hondros, an N.C. State grad from Fayetteville, HBO debuts a documentary about Hetherington's final hours in Libya. The film is from Sebastian Junger, who co-directed the war documentary "Restrepo" with Hetherington. (Hetherington and Junger are pictured here, Hetherington on the right.) Adrienne 
Parks and Recreation (8:30pm, NBC) - Leslie is determined to help a local video store stay in business, while Chris offers Tom advice on how to deal with a difficult employ at
Community (8pm, NBC) - It's the beginning of the fourth (and possibly final) season of "Community," and it's our first look at the show since the firing last year of its creator and showrunner Dan Harmon. What will "Community" be like without Harmon's unique perspective? It can't help but be a little different, but we're hoping for the best. In other news, Chevy Chase will be written out of the series later this season (
30 Rock (8pm, NBC) - In the one-hour series finale, Liz (Tina Fey) settles into her new role and Jack (Alec Baldwin, left) reflects on the developments in his own life. Elsewhere, Jenna gears up to perform a farewell song as the cast and crew reassemble for one finale "TGS" edition.
Today we have "The Vampire Diaries," one of the biggest hits on the CW network (if not the biggest) which also happens to be the brainchild of New Bern native Kevin Williamson (other credits: "Scream," "Dawson's Creek" and an upcoming terrifying drama with Kevin Bacon called "The Following").
The Vampire Diaries (8pm, CW) - Stefan and Damon visit New Orleans and recall their last trip there in 1942. While there, Damon runs into one of his former flames. Meanwhile, Elena, Caroline and Bonnie share a fun evening together, until Elena reveals some shocking news.
Grey's Anatomy (9pm, ABC) - Bailey (Chandra Wilson, left) and Ben disagree over wedding plans, while Cristina and Owen take stock of their relationship. And Callie wants Jackson to help her with Derek's dilemma, but Jackson gets distracted by a surprise involving April.
return to help cast the show, and Will faces a tough decision.