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.