The nation remains vulnerable as Starkwood mastermind Jonas Hodges guest star Jon Voight remains at the epicenter of the mounting terrorist threat. Meanwhile, the FBI and the administration scramble to provide security and justice, and Jack Bauer questions a key suspect
Chelsea is asked by Alan to arrange a blind date between he and her new friend, unaware that her new friend is Rose.
Leonard and Koothrappali escort a heartbroken Wolowitz to Las Vegas, and Sheldon becomes locked out of his apartment and must stay with Penny.
Ted breaks one of Barney and Marshall's relationship rules, texting a woman he recently met, so the pair play a joke on Ted by pretending to be the woman.
La Piazza Al Forno (Glendale, AZ), Slim's Last Chance Chili Shack (Seattle, WA), Twisted Root Burger Co (Dallas, TX) Guy Fieri checks out some places doing America's favorites: Burgers done every which way at a joint run by culinary school grads in Dallas; An Arizona pizza joint serving up family recipes; Plus a Seattle chili shack.
Castle and Beckett investigate the murder of a woman found drowned in motor oil in a motel bathtub. They seek the help of a true crime journalist who might have a connection to the victim.
Nathan faces off against Sylar to keep him from meeting the President. Sylar has his own plans for his new partner. Meanwhile, Hiro learns that there are repercussions to regaining his ability. Elsewhere, Matt is forced to go to extraordinary lengths to protect his future with his family.
The team takes on the case of a deaf -year-old named Seth who collapsed after he started hearing explosions while competing in a wrestling match. When the team tries to test him for seizures, Seth loses vision in one eye, complicating Houses bunk theory of Exploding Head Syndrome. As his condition worsens, the team has an ethical disagreement about the patient and his mothers adamant decision to forego cochlear implants to supplement his hearing. When the prospect of giving Seth the ability to hear for the first time in his life arises, House and the team are faced with a resounding decision. Meanwhile, Houses lack of sleep starts to play tricks on his mind, but he finds his insomnia may be a gift instead of a burden
Ellie's big day finally arrives and Chuck must save her life and her wedding from being ruined by Ted Roark and FULCRUM.
Nathan and Haley both face their dreams as he questions his ambition to play in the NBA and she receives an offer from Nick Lachey. Meanwhile, Brooke learns something that could change Sam's life forever, Jamie attends his first school dance, and Lucas and Peyton take a road trip.
Georgina returns. Chuck and Nate are at a crossroads in their friendship==a result of their mutual interest in Blair.
When a reality star is murdered, the CSIs delve into the scandalous, sexy world of a TV dating show.
As each lead turns cold in a gruesome murder case, Dr. G worries justice may never be served. As the autopsy draws to a end, Dr. G uncovers a shocking clue that may solve this crime.
Allison is no longer able to trust her dreams because the ghost of a madman has jumped into her mind and is turning all of her dreams into nightmares.
Rod and Jennifer got married and quickly started having kids. With three kids in just over three years, they didn't have time to change the bachelor's house into a family home. Realtor David and designer Hilary are ready to help the family find function and style. David will search for houses that will fit everyone. Hilary will transform the house to find purpose in the home. In the end, Rod and Jennifer will have to decide what to do. Will they love their revamped bachelor pad, or if they'll list it.
Audrina tries to get over Justin by hooking up with Brody when the girls crash the boys surf trip to Hawaii. Heidi's virgin ex-boyfriend comes to visit and she hopes some of his values will rub off on Spencer.
Out of patience waiting for Tommy to return home, Julia makes a life-changing decision about the future; Robert discovers what Kitty has been keeping from him; Holly & Sarah finally find balance in their relationship.
Hank finds out that he is executor of Cotton's will, which includes flushing his ashes down general Patton's toilet. Meanwhile, Dale and Bill go through a nasty "dudevorce"