Things heat up between Audrina and Brody in Hawaii and Heidi's ex-boyfriend, Colby comes for a visit.
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, Ariz.) • Slim's Last Chance Chili Shack (Seattle, Wash.) • Twisted Root Burger Co (Dallas, Tex.) 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 14-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 House’s bunk theory of “Exploding Head Syndrome.” As his condition worsens, the team has an ethical disagreement about the patient and his mother’s 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, House’s 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 to the Upper East Side but it's not the same Georgina we all knew, she's changed. Chuck and Nate's relationship is at a crossroads because of their mutual interest in Blair. Serena's relationship with Gabriel gets more complicated.
When a reality star is murdered, the CSIs delve into the scandalous, sexy world of a TV dating show.
The class is making boats, but Timmy has been paired with a Stripey, who sneezes alot. So, it is now hard to make boots with with him sneezing.
Alex uses a spell to switch brains with Harper, but she keeps on getting the spell wrong, including accidentally leaving Harper with no brain.
Mia bursts into the Monday morning session, excitedly remembering all the lurid details of her weekend's wild debauchery. But Paul wants to concern themselves over her quite Sunday brunch with her father.
April's health continues to be a concern for Paul, as she seems more concerned about her autistic brother's condition than her own.
Det. Zach Nichols' first case involves the murder of an artist, but it's unclear whether the neighborhood he lived in was a factor in his death, or something more personal.