In the shocking third season finale, unexpected visitors threaten to jeopardize the status of the competition. Meanwhile, as the final two teams prepare for the final showdown, they reveal sides of each other that they've never shown before, and one teammate makes a decision that turns the competition upside down and leaves everyone in shock.

Booth and Brennan investigate the death of Terence Bancroft, one of the Jeffersonian's major donors, found dead at home. Hodgins compromises the case and the reputation of the lab when he removes some evidence that would link him to the Bancroft family and the case itself. Due to this, Brennan must make an important decision about her team. Booth, although cleared by Dr. Wyatt to use his gun, must continue to meet with him.

Contestants chosen from around the nation have endured the grueling schedule and high-pressure auditions of the Hollywood Round, hoping to impress the judges and secure one of the 24 semifinalist spots. Tonight the judges make their final cuts to determine the Top 24. The Top 12 males and Top 12 females will be revealed.

Marlon, a new white convert, has the entire mosque in a tizzy. Marlon's zealous embrace of Islam wins an immediate friend in Baber, but he soon alienates everyone by passing judgment on virtually everything the Muslims do. Meanwhile, Sarah, never too devout, decides it's time to become serious about Islam. But her passion soon wanes, even as Marlon's intensifies. Soon the entire mosque is cooking up hair-brained schemes to dampen Marlon's zeal.

AB breaks down the whole concept of Gumbo, clarifies the differences between Cajun and Creole and explains the importance of the roux this classic dish. After numerous roux failures AB comes up with a foolproof method for making a brick (dark) roux and the perfect gumbo.

Esperanza's former boyfriend tracks her down and arrives to claim his property and return with her to Colombia.

The BAU becomes involved to prevent a possible race riot when the murder of four young black women in a mostly white New York suburb appear to be hate crimes.

Due to racial comments from Coach Mac, the black players on the team refuse to play unless he is sacked. Julie is sucked deeper into the vortex as her friendship with Tyra develops. Matt tries to win Julie back.

Haley confronts Brooke regarding the stolen calculus test. Lucas and Peyton consider taking their relationship to the next level as Peyton and Brooke grow closer. In Deb's absence, Nathan throws a senior party at the Scott House where a sex tape from Nathan's past surfaces.

Mac may have a difficult time solving the murder of a music mogul; the sister cleverly uses a lie detector test to cover up the crime. Stella wonders if she has HIV due to an accident.

After Desmond rescues Claire from drowning, Charlie gets Hurley to help him find out why Desmond has seemed able to predict the future. Desmond recalls exactly what took place in the moments after he turns the key, where he experienced a strange vision of his life prior to his Army days.

Allison is possesed by a woman named Sandra ... but Sandra still seems very much alive. Joe and Detective Scanlon try to convince her otherwise, and Joe must hide the truth of what is going on with their mother from the girls.

Coming Soon...

Tonight former child soldier in Sierra Leone's civil war and author of A Long Way Gone: Memoirs of a Boy Soldier, Ishmael Beah.
Jon begins the show with a look at the deal struck with North Korea to stop their nuclear weapons program and John Bolton's disapproval of it. Jon then talks with John Hodgman about the nature of love. Finally, Jason Jones looks at partisan political dating sites in 'Must Love Dogma.'

Tonight Stephen welcomes multiple time Tour de France winner Lance Armstrong.

When a pupil is assaulted at the school the police offer some safety tips. Kim decides to set up self defense classes. Lorna is left reeling after receiving some bad news.

Charlie is back after the gun incident, and Hotel Babylon has more press coverage than ever. A member of parliament's wife is staying at the hotel after her husband has been cheating on her, and with the story all over the newspapers Rebecca helps her to take revenge. But something is not quite right... Other staff are busy helping a couple who have checked in separately, not knowing that their rooms are next to each other. Meanwhile, the staff are having a war against a rival hotel.

Coming Soon...

Pill-popping Chris wakes up to discover his mother has left home, but given him 1,000 to cover bills but he blows all the money on drugs and partying, before facing up to the fact that she may never return.