After a look into the future, Nathan's shooter is revealed. Matt chases him and winds up in a desert. Hiro receives an important message from his father. Sylar visits Claire. Maya gives Mohinder an idea for his research. Nathan recovers and gets a visit from Linderman.

When Serena sees Dan with Amanda, the new girl in school, Blair takes it upon herself to have her circle of friends befriend Amanda and end her budding relationship with Dan. Meanwhile, Vanessa uncovers a scandalous secret about Catherine and enlists Blair's help in using the information to help Nate; and Lily finds herself drawn to Rufus.

Penny opens up to a reluctant Sheldon after a less-than-stellar first date with Leonard, placing him in the uncomfortable position of having to keep a secret.

Derek and Sarah must outwit Cromartie after he kidnaps Charley's wife, and they must weigh the consequences in rescuing her. Meanwhile, John finds himself unable to choose between Cameron and Riley.

Celebrities Lance Bass, Toni Braxton, Brooke Burke, Rocco DiSpirito, Maurice Greene, Kim Kardashian, Cloris Leachman, Cody Linley, Susan Lucci, Misty May-Treanor, Ted McGinley, Jeffrey Ross and Warren Sapp compete.

Ted and Stella get engaged, but Ted soon learns that he doesn't know anything about her. Meanwhile, Barney confesses to Lily that he's in love with Robin.

Sylar goes to the Company and inadvertently releases 12 super-powered criminals in a fight with Elle. Future Peter tries to fix his mistake. Angela takes over the company. Claire learns more about her powers. Hiro and Ando travel to Paris to track down the speedster who robbed them. Maya discovers that Mohinder's injection has changed him. Matt meats Usutu, an African with a familiar power.

Brooke heads to New York to confront Victoria while Peyton forges a connection with famous musician Mick Wolf, who tells her stories about her parents. Meanwhile, Haley's problems with a student escalate, and Nathan has a strange vision of Quentin.

Michael and Lincoln make their way to the Treasury Department in search of the next key card holder; an awkward alliance formed by T-Bag at his new job arouses the suspicions of Sucre and Bellick; Wyatt uses his magic touch on Gretchen.

Charlie discovers an ex has a child that looks remarkably like him.

Sam and Mel intend to reveal her pregnancy to her parents after a quiet dinner. However, when Sam misses the train after having a drunk girl throw up on him, the dinner starts becoming increasingly unlikely.

Alan takes on one his biggest adversaries when Bethany returns with a years-old case against the tobacco industry. But when opposing council turns out to be an old girlfriend, he finds himself once again distracted in the courtroom.



Meanwhile, Denny struggles with his deteriorating health condition when his performance in the bedroom isn't up to par.

The evidence on who shot Horatio leads the team to some of Miami's most dangerous including one of their own.

When Lauren is away for a couple of days, Stephanie and Doug start dating secretly. How long will that stay a secret though?

Richard's wealthy father offers Roz a job. Jerry defends a mother whose arrest may have something to do with her testifying in a murder trial. Judge Kessler continues her quest as a political candidate.

Ben finds himself in uncomfortable possession of a devastating secret which could blow his family apart, and with Dave's freelance career failing to take off, Julie makes a tough decision which tests the strength of their marriage.

A criminal in custody escapes from the prison van he is being tranported in, and makes an audacious break for freedom. In doing so, he assaults Grace and takes a woman hostage. He then forces Josh to drive him around town before playing a little Russian Roulette. However, Josh is saved and the criminal is arrested.

There is a crisi involving the twins. Maddy has to ru the run the AAU without Linden. Daisha has a bad day when she is let down by the father of her child.