Gibbs asks Holly Snow to help them to investigate a murder in the world of professional call girls, which will cause troubles for the Team.

The nine remaining finalists take the stage to perform live for the nation! After the performances, it is once again up to America to vote. Tune in to see who sizzles and who fizzles live. Tonight's Theme Is: Lennon/McCartney Songbook Performing Tonight Are: Aaron Kelly Andrew Garcia Casey James Crystal Bowersox Katie Stevens Lee Dewyze Michael Lynche Siobhan Magnus Tim Urban

Annie tries to cope with Jasper's decision of jumping off the Hollywood sign. Adrianna wants to make her relationship with Gia public. Naomi finds herself in a web of lies. Silver & Teddy compete to see who know the other one better. Ivy & Dixon pretend to go out.

Reba performs; another celebrity is eliminated.

The players have a chance to win immunity by becoming the first competitor to lose 2 percent of his or her body weight. Each person only has one chance to weigh in, however, adding a critical element of timing to the challenge. Later, the contestants hit the water for a race involving weights. Those who finish may help others complete the challenge.

Three centuries of engineering have enhanced Galileo's simple spyglass, resulting in powerful telescopes that sit on mountaintops, orbit the Earth and circle other planets.

Widmore has Desmond brought to the island for an experiment... one that will allow Desmond to visit the alternate reality.

When an undercover operation has the NCIS team investigating a MMA gym and its fighters, Sam Hanna is tasked with donning gloves and entering the cage for a one-on-one fight.

Lauren helps David out of a jam in hopes of earning his forgiveness; Ella tries to clear her name; Drew helps Riley throw a fundraiser.

Murdoch investigates the death of a Eugenics member. Sally and James Pendrick attempt to recruit him into the movement. Dr Ogden gets an interesting offer.

With an illegal arms deal and a hunt for Somali terrorists hanging in the balance, Detectives Goren, Eames, Nichols and newcomer Stevens combine resources in an attempt to bring justice.

Officers Cooper, Sherman and Brown are dispatched as part of a maximum deployment to catch a rapist who is impersonating a police officer. Det. Clarke returns as Lydia's partner to investigate a double homicide. Det. Salinger's wife learns of his affair with Mia Sanchez through his daughter.

Alicia and Will defend a college student accused of killing her sorority sister while under the influence of a sleep aid. At the same time, they also deal with their growing sexual tension and Diane and Kurt McVeigh continue their flirtation.

Max gets a new behavioral aide that really works for him, while Drew gets beaten up by some jealous guy at the school. Meanwhile, Crosby is trying to tell his parents that he has a son.

Anna introduces her program to invite select humans to stay on the 29 spaceships; Ryan must deal with Valerie's pregnancy being wildly accelerated; Tyler learns a secret about his mother.

Raylan leaves to California to follow the trails of a criminal who has evaded him twice in the past, and Raylan is detemined that the third time won't be the same.

Guest: Captain Richard Phillips talks about his experience being hijacked by Somali pirates in his new book A Captain's Duty: Somali Pirates, Navy SEALS, and Dangerous Days at Sea.

Joe Bastardi, Brenda Ekwurzel, Rev. Al Sharpton

Steve Carell, "American Idol" castoff Didi Benami, a performance from the Broadway musical "Addams Family"

Kirstie Alley; David Boreanaz; Music of Slash featuring Andrew Stockdale.

Rachel is determined to start the new term on a positive note but an incident with a young pupil makes her realise it's not enough to just educate the the pupils. When one of the pupils is snatched by her estranged father Rachel finds herself in danger.