The Devil sends Sam to a tutor for proper training to be the Devil's right hand. Sam uses this as an opportunity to get information about the Devil in hopes of getting out of his contract.
Yvonne's past catches up with her and she tries to stop Chesney and Meena from learning the truth.
Alex celebrates the renovation of her home by throwing a house party. The other housewives are invited, but long-standing ill will threatens to spoil the fun. Other developments find an apprehensive Bethenny setting out on a blind date. And Ramona visits a nip/tuck doctor.
It is time to clean the nursery but Timmy wold rather play outside instead. So now, his friends have to make him help clean up.
Harry loses his cool with 3 swimmers that he's forced to rescue just seconds after warning them not to swim in a dangerous area. However, calling them "imbeciles" and "idiots" puts him in hot water.
Naomi's older sister, Jen, unexpectedly returns to Beverly Hills. Meanwhile, Naomi persuades Annie to go on a double date, and Adrianna and Navid reveal their decision to his parents.
A grandmother reports that her 2 year old granddaughter has disappeared, but the Amber Alert fails to yield progress. The detectives then move their attention over to her young irresponsible mother as their prime suspect.
Patrick Jane and the CBI team investigate the murder of a mobster who was in the witness protection program.
The body of a Marine leads Gibbs and McGee to the NCIS OSP division in Los Angeles, where a murder investigation quickly climbs to a matter of national security in which the two offices must work together to resolve. Meanwhile, Tony begins to snoop into Ziva's personal life.
The Fringe Division is on the case when severely mutilated bodies drained of spinal cord fluid begin to pile up. After their investigation leads them to a scientist with possible ties to the Z.F.T. bioterrorist cell, they are shocked to discover the identity and motive of the killer. When the kills occur with increasing frequency, Olivia, Peter and Walter go to desperate lengths to stop them.
The team looks for a missing journalist after her hardcore exposes are published on an on-line magazine. They begin to suspect a politician, the subject of one of her latest entries. Meanwhile, Brian remains in Sam and Finn's life.
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