Big Bang Theory (8pm, CBS) - Leonard has a tough choice to make when Priya asks him to stop spending time with Penny, forcing him to choose between the two women.
American Idol (8pm, Fox) - One of the 10 finalists is eliminated. Adam Lambert and Diddy-Dirty Money (with Skylar Grey) will perform.
ACC Tournament (Noon, WRAL/ESPN2) - The first round of games begin today at noon with Virginia vs. Miami, then Boston College vs. Wake Forest at 2pm, Maryland vs. NC State at 7pm, and Virginia Tech vs. Georgia Tech at 9pm. NOTE: All games are on WRAL except for the 7pm NCSU game, which will be on ESPN2.
Bones (9pm, Fox) - After the sniper who killed the Grave Digger strikes again, Booth must rely on his military training to stop him before the sharpshooter hits his next target. Meanwhile, Angele's father (ZZ Top guitarist Billy F. Gibbons) wants to name her unborn child.
Fairly Legal (10pm, USA) - A singer (Chris Vance) asks Kate for help convincing his former bandmates to allow their song to be used in a commercial. When negotiations stall, the client must reveal his real motives.
Archer (10pm, FX) - On Malory's orders, Lana helps Hollywood star Rona Thorne (voice of Rachael Harris) research her role in a spy thriller while Malory writes a role for herself in the movie. Meanwhile, Pam steals Rona's diary.
Community (8pm, NBC) - Painkiller-addicted Pierce (Chevy Chase) pretends to believe he's dying so that he can bequeath gifts to the study group. But in reality, he's hoping to exact revenge because the group hasn't been treating him with respect. Pierce has definitely taken a dark turn this season, but it's still fun to watch him mess with everyone's head in this episode. Evil genius, indeed.
Community (8pm, NBC) - Annie stages a play with an anti-drug message at a local middle school, but the production hits a snag when Pierce lets his creative side run wild. As the conflict intensifies, Senor Chang unexpectedly steps in to restore order.
Abed and Troy build a blanket fort of great proportions.
30 Rock (8:30pm, NBC) - In this episode, performed live, Liz Lemon fumes during show night when the "TGS" gang all forget that it's her 40th birthday. Meanwhile, Tracy concludes that it's hilarious whenever an actor breaks character and laughs, so he does that all night long. And Jack has trouble in his efforts to stop drinking during Avery's pregnancy. The "30 Rock" cast will perform the show live for a second time tonight for the west coast audience.
Community (8pm, NBC) - Jeff reconnects with his former law firm colleagues played by Rob Corddry and a very skinny Drew Carey, and returns to some of his old vices. Seeing the changes in Jeff, the study group decide to come to his rescue, only to find themselves corrupted in the process.
Community (8pm, NBC) - In the Season 2 opener, the group reconvene to study for their anthropology class, which is taught by a kooky professor (Betty White, of course). Meanwhile, Senor Chang enrolls at Greendale in hopes of joining the study group.
Bones (8pm, Fox) - In the fifth season finale, the death of a hoarder has the team sifting through the man's many possessions looking for clues. Angela gets a visit from her father, ZZ Top guitarist Billy F. Gibbons (left, as himself).
Marriage Ref (10pm, NBC) - It's a testament to Jerry Seinfeld's star power that this mediocre (at best) show has gotten so many great stars to sit on the marriage panel. I know that's the only reason I keep watching: Every week there's another crop of interesting celebrities, and I keep hoping another show will be as funny as