The TVLine-Up: TV Worth Watching This Thursday

On TV this Thursday: All four NBC comedies get in the holiday spirit, a very interesting Person of Interest surfaces, Eliza Dushku tackles The League and more. Here’s a dozen programs to keep on your radar.

8 pm The X Factor (Fox) | Another elimination night! Plus, Mary J. Blige and Lenny Kravitz perform.

8 pm Community (NBC) | This is the Christmas episode that sends a certain Fox show hiding under a rock, as the Greendale gang, one by one,  get “possessed” by the Gleeful show choir spirit.

8 pm The Big Bang Theory (CBS) | As Leonard confronts his high school bully (The Comeback‘s Lance Barber), Penny realizes she might have been one back in the day.

8:30 pm Parks and Recreation (NBC) | Still suspended from her job and with her political campaign waylaid, Leslie keeps busy as a community advocate. Meanwhile, Ben goes job hunting, and Leslie’s coworkers labor to give her the perfect Christmas gift. The closing scene will make you cry.

Hot Community Video: Watch Troy and Abed’s Hilarious Hip-Hop Holiday!

9 pm Bones (Fox) | While investigating the death of a “storm chaser,” Booth grows increasingly overprotective of Brennan, and Hodgela come to terms with having Angela’s dad babysit their son.

9 pm Person of Interest (CBS) | Reese and Finch’s game of cat-and-mouse with Carter becomes way complicated when The Machine names her their new POI. Enrico Colantoni (Flashpoint) guest-stars.

9 pm The Office (NBC) | Ain’t no Christmas party like a Christmas party attended by a sullen, heartbroken Robert California. Meanwhile, Jim and Dwight must cease pranking each other, lest the offender forfeit his year-end bonus to the other.

9:30 pm Whitney (NBC) | I point you to this only to witness how very different Peter Gallagher is as Whitney’s Brylcreem’d scalawag of a dad, versus Covert Affairs‘ polished, officious Arthur. Jane Kaczmarek (Malcolm in the Middle) plays Whit’s mom.

Exclusive: Grimm Gets Lost Again, Adds Titus Welliver as [Spoiler]

10 pm Grimm (NBC) | Special night: In the wake of a high school teacher’s death, Nick enlists Monroe’s help to get through to a troubled outcast before he exacts revenge on his fellow students.

10 pm The Mentalist (CBS) | Jane gets the rare chance to work with a “murder victim who is alive” when Craig Bierko (Boston Legal) guests as a pro football vet who was presumed dead in a car explosion.

10 pm Burn Notice (USA Network) | Michael needs Pearce’s help transferring a dangerous prisoner who may have information on Anson. The reveal of that “information” — aka Anson’s true endgame — sets the stage for next week’s tense season finale.

10:30 pm The League (FX) | Kevin thinks his Krav Maga instructor (Tru Calling‘s Eliza Dushku) may be into him; when a prank backfires, the guys need to rescue Ruxin from a cult.