TONIGHT: 30 Rock performs a live episode for both coasts, Community sends a Kentucky-fried rocket ship into space, Pee-Wee Herman visits Fallon, the D.C. Housewives duke it out in a reunion special and the Real Housewives of Beverly Hills premieres!

8:00 PM

Community It's the Kentucky Fried Rocket Ship episode! A competitive Dean Pelton asks the study group to refurbish an old flight simulator in order to stay on par with a rival college. The gang's efforts take an unexpected turn, however, and it's up to Abed to ensure his friends' safety. (NBC)
Bones Brennan makes a deal with a celebrity professor (David Alan Grier) to be her new intern after he inquires about hosting his children's science show from the Jeffersonian. (FOX)
The Big Bang Theory Wolowitz is embarrassed when a secret of his is revealed; and Sheldon and Raj battle at work. (CBS)

8:30 PM

30 Rock The show will broadcast live tonight! Here's what's slated to go down: Liz 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 just that—-all night. And Jack strains in his efforts to cease drinking during Avery's pregnancy. (NBC)
$#*! My Dad Says Ed and Henry go on a double date, and Ed tries to save his son from the embarrassment of being rejected. Elsewhere, Vince and Bonnie work on an ad campaign for their real-estate business. (CBS)

9:00 PM

The Office Convinced he has herpes, Michael sets out to contact his former girlfriends, including Holly (Amy Ryan), Jan (Melora Hardin), Carol (Nancy Carell), Donna (Amy Pietz) and Helene (Linda Purl). Meanwhile, Andy conducts a sex-ed class in the office in a ploy to win over Erin.(NBC)
Fringe It's an episode set in "our world" this week. Thomas Jerome Newton requires the services of a sleeping shape-shifter in response to a potentially dangerous situation that involves an important official. Meanwhile, an investigation at Massive Dynamic puts Walter in jeopardy and Olivia on high alert. (FOX)
CSI A serial killer known as Sqweegel targets Las Vegas icons who harbor dark secrets. Ann-Margret guest stars. (CBS)
Grey's Anatomy Meredith and Derek get bad news from an obstetrician; Lexie notices Meredith and April getting closer and isn't happy about it; Jackson tries to use his physical attributes in the OR; and Cristina and Owen go house hunting. (ABC)
The Real Housewives of DC REUNION TIME! Part 1 of 2. Andy Cohen presides over a reunion featuring reconvened D.C. wives Mary, Lynda, Cat, Michaele and Stacie, who recall the dramas of Season 1 and field viewer questions. (Bravo)
Outsourced (9:30) Rajiv makes up a fake holiday to get Todd out of the office so he can pretend he's managing the office in order to impress his future father-in-law. Elsewhere, Manmeet, Gupta and Madhuri seek help with a revenge plot. (NBC)

10:00 PM

It's Always Sunny in Philadelphia There's a heat wave in Philly, so Mac and Charlie decide to fix up an abandoned pool after they're denied admittance to a swim club. Meanwhile, Dennis and Dee try to beat the heat in a more "dignified" manner. (FX)
Private Practice Dell's orphaned daughter, Betsey (Hailey Sole), arrives, stirring up emotions at Oceanside Wellness. Meanwhile, Pete and Amelia disagree about surgery for a pregnant woman who's experiencing excruciating chronic pain. (ABC)
The Mentalist An ex-con is murdered shortly after being released from prison after he was exonerated from a rape-and-murder conviction because of DNA evidence. (CBS)
The ApprenticeThe candidates are enlisted to produce a fashion show to highlight a footwear collection. The contestants try to step it up, but one team's scantily clad models and the other team's under-rehearsed emcee pose potential problems. (NBC)
Jersey Shore More fist-bumpin' fun from Miami. (MTV)
The Leauge: Andre and Pete train for a marathon while Taco finds a new career. Meanwhile, Kevin's head-to-head matchup turns personal. (FX)

Who's on the Late Night Couches Tonight?

The Daily Show: David Rakoff (Comedy Central)
The Colbert Report: Bill Bryson (Comedy Central)
Jimmy Kimmel Live!: Julia Stiles, Damian Marley & Nas (ABC)
Chelsea Lately: Amy Brenneman, Chris Franjola, Arden Myrin, Kevin Hart (E!)
The Tonight Show with Jay Leno: Wanda Sykes, Rick Fox, Pete Yorn (NBC)
Late Night with Jimmy Fallon: Pee-wee Herman, Joy Bryant, Ben Folds (NBC)
Late Show with David Letterman: Diddy, Emma Stone (CBS)
Late Late Show with Craig Ferguson: Drew Carey, Jenny Wade (CBS)