TONIGHT: We've got new episodes of Lone Star, The Event, Mike & Molly, Chase, Hawaii Five-0, Dancing with the Stars, HIMYM, House, Chuck, Rules of Engagement, and Two and a Half Men, and more, plus Bill O'Reilly on Jon Stewart!

8:00 PM

90210 Naomi turns to sleeping pills to combat nightmares about her rape; Silver is invited to Mr. Cannon's place to see a documentary; Teddy indulges in a drunken hookup; Annie gets a compelling offer from her boss; Dixon discovers his assumptions about Ivy were wrong; and Adrianna's performance of a stolen song goes viral. (CW)
Dancing with the Stars The second week of performances! (ABC)
How I Met Your Mother The gang helps Barney move his mom out of her home and he discovers secrets his mom has kept from him; Robin builds Ted up to a blind date. (CBS)
House A 14-year-old (Alyson Stoner) with a terminally ill brother collapses during a skateboarding competition. (FOX)
Chuck There are crimes of fashion when Chuck and Sarah go undercover in Milan for Fashion Week to seize a high-tech weapon, yet Chuck soon recognizes a flaw in his relationship with Sarah. (NBC)
Little People, BIg World Aspiring filmmaker Matt gathers a cast and crew, including Jeremy, to shoot a horror movie about a creepy pumpkin farm. (TLC)

8:30 PM

Rules of Engagement Jeff tells Adam that he keeps a list of all the mistakes Audrey has made; Russell sends an inappropriate e-mail to a coworker Timmy is fond of. (CBS)

9:00 PM

Gossip Girl Blair begins her studies at Columbia and seeks entry into a prestigious social club. Elsewhere, Serena develops a distrust of Juliet, who she suspects is deliberately wreaking havoc on her life; and Rufus' concerns about Dan compel him to take action. (CW)
Lone Star Bob recruits his dad to help him with the wind-farm scheme. Meanwhile, Lindsay begins to suspect that she doesn't know Bob as well as she thought; and Cat is compelled to continually bail her brother out of trouble. (FOX)
The Event Following the plane incident, the president's men scramble to figure out what happened; Sterling has Sophia taken into custody; and the conspiracy's web snares an FBI agent Collier (Heather McComb) and a mercenary Carter (D.B. Sweeney). In other events, a shadowy man named Thomas (Clifton Collins Jr.) comes forth with information about the detainees. (NBC)
Two and a Half Men Lyndsey asks Alan to move in with her, and an overjoyed Charlie tries to persuade Alan to accept the offer. (CBS)

9:30 PM

Mike & Molly Molly gets a cold before a date with Mike, but her decision to take cold medicine before the outing turns out to be a bad choice. (CBS)
Rob Dydrek's Fantasy Factory Rob and Drama go undercover as old men in search of inspiration for Rob's new clothing line. (MTV)

10:00 PM

Chase A case involving the murder of a state trooper's son puts the team on the trail of fugitive Eduardo "El Lobo" Lopez (Robert LaSardo), whom they discover is on the lookout for a couple who are believed to be holding something he is desperate to regain. (NBC)
Castle Castle and Beckett hunt for a psychic's murderer while debating the validity of her profession. (ABC)
Hawaii Five-0 A former cyber-terrorism expert is kidnapped and Five-0 try to rescue him before there is a breach in national security. (CBS)
Thintervention with Jackie Warner Jackie assigns her team to go on a 3-mile run. Later, the clients must endure a strenuous firefighter workout. Feeling the burn, some clients rebel against Jackie's strict training sessions. (Bravo)
Weeds To retrieve her kidnapped son, Nancy has a showdown with Cesar in a Skee-Ball museum. Meanwhile, Andy and Silas anxiously await word at a nearby diner and contemplate offering her assistance, not knowing that Shane and Doug are currently under Ignacio's watchful eye at the same eatery. (Showtime)

10:30 PM

The Big C A lump discovered on Cathy's lower back needs to be removed, but when a disoriented Marlene doesn't arrive to pick her up after surgery, Cathy phones Lenny for a ride. (Showtime)

Who's on the Late Night Couches Tonight?

The Daily Show Bill O'Reilly (Comedy Central)
The Colbert Report Ken Burns (Comedy Central)
Jimmy Kimmel Live!: Sigourney Weaver, Tom Bergeron, Randy Houser (ABC)
The Tonight Show with Jay Leno Lauren Graham, Vanilla Ice, Zac Brown Band (NBC)
Lopez Tonight: LL Cool J, Kelly Osbourne, Santana with Nas (TBS)
Chelsea Lately Adam Levine, Brad Wollack, John Caparulo, Diablo Cody (E!)
Late Night with Jimmy Fallon: Susan Sarandon, Andrew Garfield, the Temper Trap (NBC)
Late Show with David Letterman: Katherine Heigl, Daniel Dae Kim, Runner Runner (CBS)
Late Late Show with Craig Ferguson: Sela Ward, Guillermo Del Toro (CBS)