Gossip Girl (8pm, CW) - A busy Blair asks Serena to impersonate her at a meeting. Elsewhere, Ivy and Lola join forces to help Chuck exact revenge.

2 Broke Girls (8pm, CBS) - In a one-hour Season 1 finale, Max and Caroline attend a fashion gala at a museum where Martha Stewart is a guest, and they attempt to get the domestic maven to taste their cupcakes.

The Voice (8pm, NBC) - The remaining four vocalists compete in the final performances.

Top Gear (8:30pm, BBC America) - Ryan Reynolds appears in an episode in which Jeremy and Richard plan a film's climactic car chase.

House (9pm, Fox) - A Princeton-Plainsboro pathologist doesn't trust any of his colleagues to diagnose and treat him except for House, who is missing. So House's team must make the skeptical patient believe that House is actually directing his case.

Castle (10pm, ABC) - In the Season 4 finale, a military veteran's homicide leads Beckett to go after the man who shot her, and a concerned Castle wants to protect her from the danger she's facing.

Lost Girl (10pm, Syfy) - Kenzi drunkenly summons a witch to punish Dyson for how he treated Bo.

How I Met Your Mother (8pm, CBS) - Marshall freaks out when he realizes fatherhood is staring him in the face. Also, Ted and Robin come to an understanding about their relationship.

The Voice (8pm, NBC) - The semi-final round kicks off with the Top 8 vocalists.

The Pitch (9pm, AMC) - This is the official premiere of the new AMC reality series about real-life advertising agencies. It featured a prominent Durham firm in its sneak peek episode a few weeks ago. That episode with McKinney (McKinney ad director Jonathan Cude at right) battling a New York agency for a Subway campaign, will repeat after this episode at 10. The 9 p.m. episode has two groups pitching ideas to Waste Management. "The Pitch" has been promoted heavily during Sunday airings of "Mad Men" in an attempt to attract fans of that show.

House (9pm, Fox) - The team takes the case of a 6-year-old girl with a genetic condition and must work with her specialist mother to treat her. Elsewhere, House and Wilson take a vacation.

Death Row: The Final 24 Hours (10pm, Discovery) - A special report examining how capital punishment is administered.

Castle (10pm, ABC) - A body with human bite marks is discovered, and the sole witness claims a zombie killed the man. Castle and Beckett then explore New York City's zombie subculture to unearth the murderer.

The Secret Life of the American Teenager (8pm, ABC Family) - Amy worries she might be pregnant fora  second time, and Ben tries to impress Dylan's parents. Also, George is puzzled by Anne and Nora's bonding.

2 Broke Girls (8:30pm, CBS) - Caroline helps Max prepare her first tax return, but in doing so, forgets to mail Earl's return.

House (9pm, Fox) - House and the team take on the case of a man who is bleeding from his eyes. Meanwhile, House's favorite hooker, Emily, is leaving the business to get married, so he teams up with his "wife," Dominika (Karolina Wydra, left), to sabotage Emily's relationship.

Eureka (9pm, Syfy) - In the Season 5 premiere, the Astraeus crew returns to Eureka four years later and must adapt to a myriad of changes, including a more oppressive version of Deputy Andy.

Smash (10pm, NBC) - Karen and Ivy team up to form an awkward alliance when movie star Rebecca Duvall (Uma Thurman) shows up for work.

Castle (10pm, ABC) - When things get tense with Beckett, Castle decides to team up with a new partner: a tough gang-unit detective who exposes him to a seedier side of police business and puts him in risky situations.

Bones (8pm, Fox) - An escaped convict's remains are found in a residential sewer pipe, but the team find evidence that a murder occurred inside a prison.

NCAA Championship (9pm, CBS) - The championship game in New Orleans.

American Masters: Margaret Mitchell (9pm, UNC-TV) - "Margaret Mitchell: American Rebel" profiles the author who blazed trails as one of Georgia's first female newspaper reporters and the author of "Gone with the Wind." Mitchell (left) funded the education of the South's first black doctors with her "Gone with the Wind" money. Includes reenactments based on her letters and remarks by friend Sara Mitchell Parsons and prominent authors such as Pat Conroy and Pearl Cleage. At 10 p.m., a second episode of "American Masters" will focus on Harper Lee, whose childhood in Monroe, Alabama, provided the inspiration for her classic 1960 novel, "To Kill a Mockingbird." (Photo courtesy of the Atlanta History Center)

Castle (10pm, ABC) - A Scotland Yard detective works with Castle and Beckett to solve the murder of a British model whom he knew personally. Meanwhile, Lanie advises Beckett to stop stalling and pursue Castle romantically.

Smash (10pm, NBC) - A top-tier star is sought for the musical, and Eileen wants Tom to come up with a new name for the show.

Intervention (10pm, A&E) - In the 12th-season finale, a mother and former model battles a daily dependence on alcohol, and a once-promising cellist now smokes PCP.

Lost Girl (10pm, Syfy) - Bo and Dyson portray a married couple at a country club to help a friend from Kenzi's criminal past.

Alcatraz (8pm, Fox) - Two new back-to-back episodes close out the season tonight. In the episodes, Rebecca and Doc close in on a man who may be the key to understanding why the criminals are returning, and a discovery is made beneath the halls of the prison.

Finding Your Roots with Henry Louis Gates Jr. (9pm, UNC-TV) - Historian Henry Louis Gates Jr. helps two New Orleans natives -- Harry Connick Jr. and Branford Marsalis (who currently lives in Durham) -- trace their roots. In a second episode airing at 10, Newark, N.J., mayor Cory Booker and Georgia representative John Lewis are researched.

Being Human (9pm, Syfy) - Sally tries to fix a life that she ruined and Josh must choose between Nora and Julia.

Smash (10pm, NBC) - Derek plots to steal the musical and he wants Karen to assist him. Meanwhile, Eileen's daughter makes a surprise visit home and Ivy is uncertain about her future.

Castle (10pm, ABC) - Five people are killed in a bomb explosion at a protest rally, and Castle and Beckett try to uncover who planted the deadly device by focusing on the crucial seconds prior to the blast.

Brooklyn 11223 (11pm, Oxygen) - A new reality show built around a three-year feud between three best friends over whether one of the women had sex with her friend's then-boyfriend. Read Adrienne's review.

Basketball Wives (8pm, VH1) - The fourth season features two new jilted ladies.

How I Met Your Mother (8pm, CBS) - The fallout from Ted's declaratoin to Robin about his feelings for her, and Barney digs up personal dirt on Marshall and Lily.

Clinton (9pm, UNC-TV) - This first part of this two-part American Experience profile of former president Bill Clinton charts his path from Hope, Ark., to Washington, D.C., ending midway through his first term when Newt Gingrich and the GOP took control of the House and Senate. It details the scandals and setbacks Clinton weathered up to that point, and features interviews with Dick Morris, Dee Dee Myers, Robert Reich, and others. Part two airs tomorrow night. Is it worth your four-hour commitment? Read our review and decide.

Bethenny Ever After (9pm, Bravo) - Season 3 shows Bethenny as hyper-busy as ever, and Jason trying to adjust to the unwanted attention the show's success has brought.

Alcatraz (9pm, Fox) - Madsen and Hauser pursue Johnny McKee, a murderous former inmate. Also, more details about Madsen's grandfather come to light.

Castle (10pm, ABC) - In the conclusion to last week's cliffhanger episode, Beckett and Castle continue trying to stop a series of events that could lead the US into a war.

Smash (10pm, NBC) - Casting begins for the Joe DiMaggio character, and Karen returns to her hometown to attend a baby shower. Chatter indicates this is a fairly awful episode (mostly the progression of the adoption storyline), so just keep that in mind if you watch.

Gossip Girl (8pm, CW) - Nate hosts a Valentine's Day party, which Georgina crashes, and Blair tries her hand at matchmaking.

The Voice (8pm, NBC) - Round three of blind auditions continue.

Slavery by Another Name (9pm, UNC-TV) - Laurence Fishburne narrates this look at forced labor in post-Civil War America, when blacks were often arrested on and convicted of spurious charges, then leased or sold as laborers to various entities -- a practice that lasted well into the 20th century. Adapted from Wall Street Journal writer Douglas Blackmon's Pulitzer Prize-winning book of the same name.

Alcatraz (9pm, Fox) - An inmate resurfaces and plants bombs throughout populated areas of San Francisco.

BET Honors 2012 (9pm, BET) - Gabrielle Union hosts the tribute to successful black luminaries, including Maya Angelou, Stevie Wonder, Spike Lee and the Tuskegee Airmen.

Smash (10pm, NBC) - Derek makes the audition process rigorous for Karen and Ivy. Also, Eileen looks for financial backing and Julia and Frank hit bureaucratic obstacles with their international adoption plans (this storyline is the weak link in this otherwise entertaining series).

Castle (10pm, ABC) - In part one of a two-part story, Castle and Beckett work with the CIA as they hunt a killer who's connected to an international conspiracy, and the case reuintes Castle with a female CIA agent with whom he shares a past.

Not in Our Town: Class Actions (10:30pm, UNC-TV) - A look at students and communities joining forces to confront hate and bullying. Included: efforts to stop University of Mississippi football fans from chanting "the South will rise again," and the development of an anti-bullying program in Lancaster, California, after several teen suicides in nearby communities.

Gossip Girl (8pm, CW) - Amy Heckerling directs this episode in which Blair has a bachelorette party and Nate gets more information on Blair and Chuck's car wreck.

The Bachelor (8pm, ABC) - Chapel Hill and Charlotte ladies are still in the fight! Tonight the gang goes to Park City, Utah, for some outdoor activities (Charlotte's Blakeley Shea pictured here on the far left) -- and lots of drinking and crying, of course.

Antiques Roadshow (8pm, UNC-TV) - The show starts a three-episode run in Eugene, Oregon, with a Ty Cobb-autographed memorabilia, an original "Rosemary's Baby" drawing by art designer Clem Hall, and a 1919 oil painting by Norman Rockwell valued at half a million dollars.

Alcatraz (9pm, Fox) - On the loose tonight: a child killer, who would kidnap his victims and return their bodies to their homes.

Being Human (9pm, Syfy) - Sally wields new powers thanks to some new ghost friends and Josh tries to deal with a change (to say the least!) in his relationship with Nora.

Castle (10pm, ABC) - A popular reality TV star becomes a murder suspect when a well-known dog trainer turns up dead.

Antiques Roadshow (8pm, UNC-TV) - An installment from Tulsa features a 1960 first edition of "To Kill a Mockingbird" inscribed by author Harper Lee.

The Bachelor (8pm, ABC) - UNC PhD student (and Duke undergrad!) Emily O'Brien (pictured here on the right) joins Ben on a group date with 11 other women. They enact a play written by children of Sonoma, California, Ben's hometown. Later, things get steamy between Blakeley (from Charlotte) and Ben.

Pretty Little Liars (8pm, ABC Family) - Hanna's friends want to use Caleb's computer skills to help them uncover A's identity, but Hanna is hesitant to involve him and instead throws him a surprise party.

First Week In (9pm, Discovery) - Three first-time inmates adjust to prison life in the debut of a new reality series following newly incarcerated criminals through their first week in jail.

Rock Center with Brian Williams (10pm, NBC) - An interview with George Clooney and a look at Mitt Romney's roots.

Castle (10pm, ABC) - A womanizer leading a double life falls to his death following his latest conquest, and a surprising revelation in the investigation may interfere with Ryan and Jenny's wedding.

Dancing with the Stars (8pm, ABC) - The final week of performances for the season includes a freestyle number.

How I Met Your Mother (8pm, CBS) - Ted and Barney make a life-altering decision, and Robin tries to talk Lily and Marshall out of moving to Long Island.

Enlightened (9:30pm, HBO) - A bad dream helps Amy face her feelings for Levi, but she also bonds with Tyler over loneliness issues after Dougie gets a promotion and Amy tries to set him up on a date with Krista's coworker.

Woody Allen: A Documentary (10pm, UNC-TV) - The conclusion of Robert Weide's profile of Woody Allen, which chronicles Allen's career from his days writing for Sid Caesar in the 1950s to present. The film features footage of him at home and on movie sets and includes a tour of his childhood haunts in Brooklyn. Also, remarks Diane Keaton, Martin Landau, Sean Penn, Chris Rock, John Cuzack, Larry David, Scarlett Johansson, Mariel Hemingway and others.

Hawaii Five-0 (10pm, CBS) - McGarrett goes to North Korea with Jenna Kaye to deliverf a ransom to rebels who are holding her fiance hostage. Meanwhile, Five-0 investigates the murder of an investigative reporter with ties to Jenna. Jimmy Buffett guest stars.

Castle (10pm, ABC) - A sniper goes on a murder rampage in the city and police struggle to find a motive before time runs out and another victim is killed. Also, Beckett's PTSD symptoms escalate, but she attempts to hide them from the team.