Once Upon a Time (8pm, ABC) - A giant is kidnapped and brought to Storybrooke, where he tries to settle an old score with David.
Grammy Awards (8pm, CBS) - LL Cool J hosts the awards show, and performances are scheduled for Mumford & Sons, Taylor Swift, Justin Timberlake, Frank Ocean, Fun, the Lumineers, and others. Also, Elton John and Ed Sheeran perform together. The N&O's David Menconi will be live-blogging Grammy events.
Battlestar Galactica: Blood & Chrome (8pm, Syfy) - The early days of William Adama (Luke Pasqualino, left) as a young and eager Academy graduate during the first Cylon War are chronicled in this prequel to the popular "Battlestar Galactica" update that originally aired on Syfy from 2003-2009. (Note: This movie was previously released as a series of shorts online.)
The Walking Dead (9pm, AMC) - Season 3 resumes with Rick (Andrew Lincoln, right) and the gang trying to rescue Darryl from a perilous situation at Woodbury. Later, concerns are raised at the prison after new guests arrive. (Reminder: A marathon of the first half of Season 3 marathon starts at 1 today.)
Downton Abbey (9pm, UNC-TV) - In tonight's two-hour episode, Robert works to organize a cricket match while things at Downton begin to get back to normal. The "Downton Abbey" Christmas episode, which marks the official end of the season, will air next Sunday. I expect rioting in the streets to follow.
Girls (9pm, HBO) - Even Hannah is surprised when she's attracted to a fortysomething doctor and his life of unspectacular stability.
Shameless (9pm, Showtime) - Carl heads to cancer camp, where the facility's activities leave a lot to be desired, while Frank goes on babysitting duty and and Lip and Mandy rescue her half sister from foster care.
Enlightened (9:30pm, HBO) - Amy, Tyler and Dougie try to befriend Eileen, the CEO's assistant (Molly Shannon), to gain access to her boss' private email, but Tyler begins to have second thoughts about their plans when he starts dating her.