Peter faces unexpected consequences for his heroic acts and encounters a reluctant new hero. As Claire continues to adjust to college life, she must figure out how to deal with her ability having been revealed. Meanwhile, Samuel moves heaven and earth to recapture the memories of his late brother Joseph. Elsewhere, Matt struggles with his internal demons as Sylar mysteriously resurfaces.

House returns to Princeton Plainsboro, announcing he will make big changes in his life. Meanwhile, House's team can't diagnose a new patient who's obsessed with posting each and every one of his symptoms over the Internet.

Barney takes Marshall, and Robin to a strip club where they find a stripper who looks almost exactly like Lily. Meanwhile, Ted discovers he had been fixed up with the same woman, Jen seven years earlier.

It's time for a funeral for one of theirs, and Nathan comes home for the funeral. Dan shows up to pay his respects, while Nathan, Haley and Jamie pay respect to another grave that lies there. Quinn wants to have fun at Tric, and meet a new guy. Mouth gets another job offer, this time located in New York, while Julian gets hit by a model.

Lies affect the Suttons, not least when Sage breaks Charles' confidence about the money, and Bishop returns seeking revenge.

Week 2 of the performances begin. Baz Luhrmann serves as a guest judge.

The man taking over for Reverend Magee wants Amaar and the Muslims out of the church but soon learns that this is not a popular action with his congregation.

As Billie looks through Zack's things, she finds an unfinished note intended for her. She attempts to discover what Zack is keeping from her.

Girls rule the roost after Charlie consents to Chelsea's desire to allow Alan's girlfriend, Melissa, to move in with them.

Shocked to learn that ZBZ has slipped in the ranks down to fourth, Casey is determined to bring ZBZ back to the number one spot by motivating their pledge class to take action, believing that, if they create a cool photo shoot for the Lamda Sig calendar, it could improve their house’s ranking. However new pldge Abby convinces the other pledges to boycott the shoot so, in order to make nice with the ZBZ pledges, Ashley and Casey get them all makeovers. Meanwhile, dissatisfied with her college experience, Jordan wonders how to make her time at CRU more fulfilling and, in an effort to prove his love and commitment for Jordan Rusty decides to lavaliere her. When Rusty divulges his plans to his KT brothers, they warn him of the Kappa Tau curse that occurs when a brother lavalieres his girlfriend. Elsewhere, Cappie helps Evan find a part time job to help his financial situation, but when he meets one of Evan’s new and very attractive co-workers, Lana, he decides to get a job too.

Blair and Chuck face-off when the both set their sights on an item up for bid at Sotheby's. Serena begins to think that Carter may have returned to his old habits, Georgina becomes interested in Dan, and Vanessa thinks that something is wrong with Scott.

The Lightman Group looks into a murder case in which a woman with a multiple personalities disorder is involved and the group must decide whether she is a witness or the killer. Meanwhile, the U.S. government hires The Lightman Group to interrogate a potential Supreme Court nominee.

When an emergency occurs, the San Francisco City Hospital trauma team is the first on the scene no matter where the victims are. Flight medic Reuben "Rabbit" Palchuk, paramedics Cameron Boone and Nancy Carnahan, rookie pilot Marisa Benez, EMTs Tyler Briggs and Glenn Morris, and mentor Dr. Joe Saviano must fly into action when tragedy strikes close to home.

Sheldon and Howard wager comic books over a cricket's species. Meanwhile, a less-than-perfect romantic night agonizes Leonard and Penny.

When the lab is attacked, Horatio must fulfill a gunman's unique request in order to save five hostages, including new CSI Jesse Cardoza.

Castle and Beckett compete against Ryan and Esposito to see who can solve their murder case first. A few twists make the two teams work together to figure things out.

Jays guests include comic Bill Maher, and singers Brad Paisley & Sheryl Crow.

Political scientist and author Bruce Bueno De Mesquita talks about their new book The Predictioneer's Game: Using the Logic of Brazen Self-Interest to See and Shape the Future.

Sheryl WuDunn

The Rafters throw a surprise party for Chel, who's shocked and delighted as the family yells 'surprise'. She is swept up in the family history and moved by the love shown to her. But clouds are gathering.

Rachel and Ted notice worrying marks on Chel's arm. Are they damage veins? Or trackmarks? Rachel takes the news to Dave and Julie, who debate the causes. Surely Chel can't be a junkie? But they admit they don't know herwell. Dave confronts Chel, who reacts badly to the interrogations. Eventually she reveals the shocking truth.

Julie reacts the most strongly to the news. She doesn't want Chel in her house any more. This puts her at odds with everyone, especially Dave and Rachel.

Nathan is stricken with guilt over his fling with Layla and manages to lose his wedding ring during the birthday barbecue. He searches for it desperately and lies to Sammy about it.

Next door, Ben and Melissa are stricken with food poisoning. Their marathon bout of vomiting brings them even closer together. But will it end in Melissa finally accepting Ben's marriage proposal?

Carbo works hard to fan the flames of his relationship with Artie. But he strikes out. Arties decides her mother has orchestrated the whole thing with Carbo, and, in an act of defiance, agrees to go out with Gavin a shy country singer from the Boat Club.

Ichigo is still trapped in the ice prison Hyorinmaru imprisoned him in as Toshiro and Hyorinmaru confront each other. Meanwhile, Momo and Rangiku fight their zanpakutos in the woods and finally manage to overpower them with kido spells. As Hyorinmaru and Toshiro begin to fight, Toushiro tries to seal him but is shocked as Hyorinmaru effortlessly dissolves the seal into fragments of ice. As their fight continues, Hyorinmaru's tremendous power turns the whole of Soul Society's sky black.

Faye attempts to win over Joseph but when Archie becomes sick and is admitted to the hospital she finds her priorities changing. Linden is confronted by Joseph about the kiss he shared with Faye on their wedding day. Elliot manages to save Archie's life. Maria learns that she could be paralysed for life and that her only chance is an operation which could cost her everything.

The team find themselves involved in the world of cage fighting when they try and deal with a gang plotting a major heist.

With Sam dating a musician, Don's musical side is awakened. Soon there is a rivalry between Jackson and Don.