TONIGHT: Lots of TV! We have the season finale of of The Real Housewives of DC, plus new episodes of It's Always Sunny in Philadelphia, Vampire Diaries, Nikita, Community, 30 Rock, Grey's Anatomy, Jersey Shore, CSI, and much, much more!

8:00 PM

Bones Brennan's whirlwind tutorial in pop culture gets put to the test when she and Booth investigate the remains of a 23-year-old man who was seen carousing the previous evening at a Jersey-shore nightclub. (FOX)
Community The group rally around Pierce to offer comfort when his mother dies. Elsewhere, an out-of-his-element Professor Duncan takes the helm of Anthropology 101 after Professor Bauer takes a leave of absence. (NBC)
The Big Bang Theory Everyone worries for Sheldon, who begins searching for non-human companionship. (CBS)
Vampire Diaries Mason reveals to Tyler the details of the family curse and gives the sheriff some shocking information that sets off a night of violence in town. (CW)

8:30 PM

30 Rock Jack goes before Congress, hoping to use his wiles and charm in a discussion of NBC's merger with KableTown. When a congresswoman (Queen Latifah) pushes for more diversity in the programming, Jack turns to Tracy to develop ideas. Meanwhile, Liz butts heads with her writing staff; and Jenna supports Kenneth's return to the page program. Rob Reiner guest stars. (NBC)
$#*! My Dad Says Henry gets angry with Ed when his dad refuses to take responsibility for getting a DMV employee fired. (CBS)

9:00 PM

CSI The CSIs investigate a murder at a vampire and werewolf convention. (CBS)
Grey's Anatomy Derek's estranged sister, Amelia (Caterina Scorsone), visits—-and brings with her the issues that led to their estrangement. Meanwhile, the chief notices that Alex hasn't been taking elevators since his shooting, and tries to help; and Meredith and Derek keep trying to ease Cristina back into surgery after her PTSD episode. (ABC)
The Office Andy invites the gang to his community-theater staging of "Sweeney Todd," but his ultimate hope is to impress Erin. Michael, habitually starved for attention and now upstaged, tries to push his jealousy aside and take in the performance. Meanwhile, Jim and Pam are saddled with a bumbling babysitter. (NBC)
Fringe Olivia is plagued by visions; Secretary Bishop unveils his secret plan to Col. Broyles; the Division races against time to halt a series of catastrophic events. (FOX)
Nikita Percy searches for a fugitive operative whose capture could potentially expose Division's secrets, but Michael is suspicious of Percy's motives. Meanwhile, Alex gets caught in Percy's office by Thom as she tries to send a warning to Nikita. (CW)
The Real Housewives of DC The first-season finale centers on Michaele and Tareq as they attend (crash?) a White House state dinner, an act that grabbed headlines in November 2009. Housewife gossip whirls about whether or not the couple had been officially invited to the event. (Bravo)

Outsourced Todd sets up a double date after discovering that Charlie has a crush on Tonya. The night hits a snag, however, when an unexpected guest joins their dinner. Elsewhere, Madhuri strikes up an unusual partnership with a coworker. (NBC)

10:00 PM

It's Always Sunny in Philadelphia Mac finally gets his big break after correctly answering a radio station's trivia question. Meanwhile, Frank, Dennis and Dee start their own bar-banter podcast. (FX)
The Apprentice The teams produce a viral advertising video, but efforts don't click in this Internet-based task because of the ostracism of one member, a dental emergency and the portrayal of violence in one video. (NBC)
Private Practice The driver who killed Dell and injured Maya shows up at Oceanside with a heart condition, and Sam must treat him; and Violet warns Pete against helping out at a friend's home-health clinic. (ABC)
The Mentalist Jane spars once again with cult leader Brett Stiles, who tells Jane he has information regarding both Red John and the missing Kristina Frye. (CBS)
Jersey Shore Snooki and J-Woww decide to make amends with Sam; Vinny pursues two groups of girls; Mike's antics annoy Snooki. (MTV)
Watch What Happens: Live Michaele and Tareq Salahi ("The Real Housewives of D.C.") and NeNe Leakes ("The Real Housewives of Atlanta") are the guests. (Bravo)

Who's on the Late Night Couches Tonight?

The Daily Show: Naomi Watts (Comedy Central)
The Colbert Report: Davis Guggenheim (Comedy Central)
Jimmy Kimmel Live!: Joaquin Phoenix, "Science Bob" Pflugfelder, Primus (ABC, Repeat)
Lopez Tonight: Diddy, Tony Robbins, Diddy-Dirty Money (TBS, Repeat)
Chelsea Lately: Taye Diggs, Dov Davidoff, Jo Koy, Natasha Leggero (E!)
The Tonight Show with Jay Leno: Katherine Heigl, Ben Rappaport, Meat Loaf (NBC)
Late Night with Jimmy Fallon: Jane Lynch, Emma Roberts, Pete Yorn (NBC)
Late Show with David Letterman: Stephen Colbert, Johnny Knoxville, Gorillaz (CBS)
Late Late Show with Craig Ferguson: Toby Keith, Louie Anderson (CBS)