American Idol (8pm, Fox) - The top two finalists are revealed in a results show that also features performances by Alicia Keys and "Idol" alum Lauren Alaina.

Community (8pm, NBC) - In the Season 4 finale, Jeff ponders the future after he receives enough credits to graduate. Elsewhere, the group revisit the darkest timeline.

Glee (9pm, Fox) - In the Season 4 finale, the glee club performs at Regionals with newfound determination to advance in the competition. Meanwhile, Brittany comes back from MIT with a new attitude, Blaine shops for an engagement ring and Ryder learns more about his "catfish." Patty Duke and Meredith Baxter guest star.

The Office (9pm, NBC) - The staffers anticipate the TV premiere of their documentary and Andy attends auditions for "The Next Great A Cappella Singer." Clay Aiken, Mark McGrath and Santigold guest star. Next week's 75-minute episode is the show's series finale.

Person of Interest (9pm, CBS) - The second season ends with Finch and Reese working alongside unexpected allies to save the Machine from Root and the Decima organization. Meanwhile, Finch's relationship with Nathan Ingram is discovered, along with his original motivations for wanting to save the irrelevant numbers from the Machine.

Monumental Mysteries (9pm, Travel) - A new series exploring the history behind America's national monuments starts with stories about a tombstone in New England, a famous con artist and Alcatraz.

Scandal (10pm, ABC) - A major crisis (Mellie's televised interview revealing Fitz's infidelity) rocks the White House and Cyrus is caught in the middle of it. Also, Olivia and her team are the victims of a shocking betrayal.

NCAA Basketball Tournament (CBS) - The NCAA Tournament really begins today (no, NCAA -- we're not counting the play-in games as the first round, but nice try). For information on game times and networks (games will air on truTV, TNT, TBS and CBS), go to the CBSsports.com NCAA Tournament Schedule and click on the date you're interested in.

Community (8pm, NBC) - Dean Pelton tries to lure a wealthy student to Greendale and uses Jeff (Joel McHale, left), Britta and Annie in his recruitment efforts, upsetting Pierce (Chevy Chase, left). Also, Abed starts a fraternity, and Shirley shines in a phys-ed class.

Project Runway (9pm, Lifetime) - The designers push themselves to create spring items worthy for showcase in the windows of an upscale department store. Fashion figures Rachel Roy and Bonnie Brooks are the guest judges.

Beauty and the Beast (9pm, CW) - Muirfield and the police close in on Vincent, while Tess finds something that alters her relationship with Cat.

North Carolina Weekend (9pm, UNC-TV) - This week's show features a look at the Art in Clay exhibit at the N.C. Museum of History and segment on "Art in the Evening" from the N.C. Museum of Art.

Scandal (10pm, ABC) - Finally, a new episode of "Scandal"! Tonight, Olivia represents a CEO having a torrid affair with Fitz's top pick for the Supreme Court opening. Meanwhile, Huck mentors Quinn; Harrison and Abby renegotiate their relationship; and Cyrus and Mellie vie for Fitz's attention.

Community (8pm, NBC) - The gang spend Thanksgiving at Shirley's but soon begin planning their escape from the awkward gathering. Elsewhere, Jeff (Joel McHale visits his estranged dad (James Brolin, left), whom he hasn't met as an adult.

Project Runway (9pm, Lifetime) - The contestants design fashion-forward prom looks constructed from duct tape. The guest judge is designer Chris Benz.

Person of Interest (9pm, CBS) - The Machine produces six numbers at once, sending Reese and Finch on a search for clues in a coastal town where they must wait out a storm with a group of locals -- one of whom may be a killer.

Comic Book Men (9pm, AMC) - The guys hold an auction to help a friend sell a collection, and a customer expresses a kinship with a Spider-Man nemesis.

Glee (9:30pm, Fox) - The glee club is tasked to perform a song from a movie. The cast's performance of "Shout" marks the series' 500th musical number.

Legit (10:30pm, FX) - Jim arranges an intervention after discovering that Janice has become a hoarder.

Community (8pm, NBC) - The gang begin a European history course after missing out on an ice cream class. Adding to their misery is an encounter with the arrogant German students they battled last year. Also, Chang returns to Greendale, much to Dean Pelton's chagrin.

Makers: Women Who Make America (8pm, UNC-EX) - The modern women's movement is chronicled in this new PBS documentary, which tells the stories of trailblazing women whose work has altered nearly every aspect of American culture. Included are first-person accounts from movement leaders (Gloria Steinem, right) and opponents (Phyllis Schlaffy), as well as celebrities (Oprah Winfrey), political figures (Hillary Clinton), business leaders (Linda Alvarado) and ordinary women.

Zero Hour (8pm, ABC) - Laila works on the next clock for Vincent, but also realizes she must help Hank find her by leaving a trail of clues. Meanwhile, Hank, Arron and Rachel use a tip from the FBI to discover a link between a famous person in history and the next clock.

North Carolina Weekend (9pm, UNC-TV) - Tonight's show features a segment on Triangle Glides and Bob Garner visits Bloomsbury Bistro restaurant.

Project Runway (9pm, Lifetime) - The designers must create fashionable clothes for senior citizens. Joan and Melissa Rivers are the guest judges.

The Ben Show with Ben Hoffman (10pm, Comedy Central) - A new sketch comedy series featuring comedian Ben Hoffman.

Archer (10pm, FX) - Archer, Lana and Cyril go on an undercover mission in a celebrity chef's kitchen.

Community (8pm, NBC) - The gang wander through Pierce's eerie mansion on Halloween in order to free him from his locked panic room. While looking for the code to open the room, they also uncover some of the house's secrets.

Parks and Recreation (8:30pm, NBC) - Leslie is forced to take part in a citywide emergency-response drill, and Ron fills in for her on "Pawnee Today."

Zero Hour (8pm, ABC) - A new series in which a sensible magazine editor (played by Anthony Edwards, right) is drawn into a centuries-old conspiracy with apocalyptic implications after his wife is kidnapped from her antique clock shop by a man who's searching for an ancient treasure map and who may be linked to Nazis. Sensing a heavy "Da Vinci Code" vibe already? You're right. Here's my review of "Zero Hour."

Glee (9pm, Fox) - Will and Emma get married on Valentine's Day, and former and current members of the New Directions reunite to celebrate the nuptials.

North Carolina Weekend (9pm, UNC-TV) - Two local segments are mixed in with this week's offerings: a profile of the Raleigh Little Theatre and a Bob Garner visit to Lilly's Pizza in Raleigh's Five Points neighborhood.

Scandal (10pm, ABC) - Fitz is still unsure about whom he can trust. Meanwhile, Olivia meets a charming stranger (hello, Scott Foley!) but she can't deny the chemistry she feels with Fritz. Also, the Gladiators help David when he finds himself in a sticky situation.

Elementary (10pm, CBS) - Holmes investigates after someone attacks Detective Bell, but the case takes an unexpected twist when the chief suspect is found dead.

The Vampire Diaries (8pm, CW) - Shane leads an expedition to a mysterious island near Nova Scotia, where he believes he can locate a cure. Back in Mystic Falls, Tyler confronts Klaus, which leads to violence that involves Caroline.

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 (that's a good thing). In tonight's "Hunger Games"-inspired premiere, the gang begin their fourth year of college and Jeff focuses on the credits he needs to graduate, while Britta helps Abed cope with his anxiety about the group parting ways after graduation.

College Basketball: NCSU at Duke (9pm, WRAL) - This means you won't get the new episodes of "Person of Interest" and "Elementary" during primetime tonight. Instead, set your DVR overnight for "Person of Interest" at 2 a.m. on WRAL and "Elementary" at 3 a.m.

Project Runway (9pm, Lifetime) - The contestants are asked to design garments for host Heidi Klum for the launch of her new fragrance line (didn't the show just promote her terrible-looking children's clothing line last season?). Guest judge is Kristin Davis.

Glee (9pm, Fox) - Finn encourages the glee club members to channel their inner divas, while Rachel's arrogance causes Kurt to reach a breaking point.

Scandal (10pm, ABC) - I can't get enough of this show! And I can't wait to find out what happens to Hollis in that elevator. Tonight, David's uncovering of the truth about the Cytron case makes things tough for Olivia, Mellie, Cyrus, Hollis and Verna, and the desperate conspirators pull out all the stops to protect themselves and their loved ones.

Concerns about the possibility of ice and snow forced Chapel Hill officials to cancel a community workshop scheduled for Saturday.
Sketching Chapel Hill will be rescheduled at a later date, said town planner Megan Wooley.
The daylong workshop event was expected to address a series of Chapel Hill 2020 topics, including public spaces, zoning rules, transportation, landscape design and Carolina North.

Community (8pm, NBC) - Three new episodes of 'Community' close out the season. First, Pierce fights for his inheritance and the study group tag along for support. Then (9) the group plan a sneak attack to loosen Chang's grip on Greendale. Finally (9:30), Jeff represents Shirley in a dispute with Pierce, who in turn, retains the services of Jeff's former colleague.

Missing (8pm, ABC) - It's finally over tonight. And no renewal. Will Becca save her son? Of course she will.

30 Rock (8:30pm, NBC) - In the Season 6 finale, Jack sets out to prove his marriage is still strong, so he plans a vow renewal with Liz officiating.

Grey's Anatomy (9pm, ABC) - Season 8 ends with the doctors fighting to save themselves and each other after last week's plane crash. Also, Bailey and Ben make a decision about their relationship and Teddy gets a tempting offer.

Person of Interest (9pm, CBS) - A psychologist is in trouble and the FBI closes in on Reese in the Season 1 finale.

Scandal (10pm, ABC) - Season 1 finale: When Quinn finds herself in a fix that's both tragic and compromising, Olivia and the team rush to help. Also, Cyrus turns to Olivia when an announcement shakes Fitz's presidency to its core.

The Mentalist (10pm, CBS) - In the fourth-season finale, Jane deals with his latest loss to Red John by hitting rock bottom in Las Vegas and hooking up with a cocktail waitress.

Awake (10pm, NBC) - In part one of a two-part season finale -- who are we kidding! series finale -- truths about Britten's life-altering accident begin to surface as menacing conspiracies jeopardize both of his worlds. Britten also becomes a target when he turns vigilante and pursues Det. Hawkins.

Community 8pm, NBC) - The death of a classmate gives Britta a chance to play counselor to the others by using the psychology lessons she's recently learned, but Jeff appears unaffected by the loss. 

The Vampire Diaries (8pm, CW) - Klaus tries to leave town with Elena, but he encounters resistance from a new enemy. Meanwhile, Bonnie gets Abby to help her with a difficult and dangerous spell. 

Parks and Recreation (9:30pm, NBC) - Leslie embarks on a bus tour on the final day of her campaign, but she becomes distracted by the sudden death of an important person in Pawnee. Elsewhere, Andy investigates a security threat, while Chris discovers a surprising cure for his depression. 

Scandal (10pm, ABC) - The disappearance of Amanda Tanner gives Huck an opportunity to dust off his espionage skills to find out where she is. Meanwhile, the firm defends a pilot's reputation from accusations after a commercial plane crashes with no survivors.

The Mentalist (10pm, CBS) - Lisbon encounters her ex-fiancé while investigating a surfer's homicide, and Cho has doubts about continuing his romance with Summer. 

Independent Lens: Circo (10pm, UNC-TV) - Filmmaker Aaron Schock follows the proprietors of a struggling, family-run Mexican circus as they travel the back roads of the countryside in hopes of recapturing the success of the show's earlier years. 

Community (8pm, NBC) - I am so excited for this "Law & Order" spoof. When the group's science project is smashed, they launch a hunt for the culprit and hold a trial, over which the reluctant Professor Kane presides. But Jeff soon realizes there's much more to the story than anyone realizes. Chung-chung!!

30 Rock (8:30pm, NBC) - "30 Rock" tackles their second live episode (I didn't care for the first) with a plot that has Kabletown breaking the news that "TGS" will no longer be live. Liz and Jack embrace the change, believing a cheap, taped show will mean fewer headaches.

The Costco Craze: Inside the Warehouse Giant (9pm, CNBC) - A look at Costco, the warehouse chain that racks up $88 billion in annual sales. Do customers really save money by purchasing in bulk, or simply consume more? Read Adrienne's review.

Touch (9pm, Fox) - Martin's search for Teller's workshop results in another professor's poker winnings. Meanwhile, a young Italian man tries to find the love of his life.

The Mentalist (10pm, CBS) - Jane and the CBI investigate the death of a man whose charred body is found outside a cabaret where female impersonators perform.  

Scandal (10pm, ABC) - Following a surprising development in the Amanda Tanner case, former friends Olivia and Cyrus disagree and Cyrus tries to help in a probe of the personal lives of Olivia and her team.