Newly formed geeks and beauty duos try combining skills when their first team challenges are revealed. The social experiment takes a technical turn when the beauties must present a homemade science project to some discerning critics. Some geeks become smooth operators when offering relationship advice to live callers on Dr. Drew's nationally syndicated radio program, "Loveline". One unlucky pair doesn't make the grade and leaves the house.

Season four begins with 15 hopefuls playing to win a job as a chef along side Gordon Ramsey in his L.A. restaurant. The contestants will be divided into teams of 'men vs. women' after preparing their signature dish. Gordon will be impressed by most of the entries, but one will make him retch.

Tonight the remaining 9 finalists perform live for the nation, vying for the American Idol crown. The contestants will sing their hearts out in hopes of winning America's votes and surviving another week in the competition. See who impresses the judges and who buckles under the pressure.

Tonight's theme: Dolly Parton songs.

Performing tonight: David Archuleta, Jason Castro, David Cook, Kristy Lee Cook, Michael Johns, Ramiele Malubay, Syesha Mercado, Carly Smithson, and Brooke White.

It's the fourth performance show of the season. The remaining celebrities will dance either the Paso Doble or the Viennese Waltz.

Since The Biggest Loser is a global phenomenon, the last five players are surprised with a trip to the other side of the globe - Australia! Once there, they get a visit from The Biggest Loser: Australia winner, Adro, compete in a race around the city of Sydney, and climb the legendary Sydney Harbor Bridge. In the end, the final four players are determined by an emotional weigh-in and elimination.

Coming Soon...

After breaking down outside of Vegas, Gene calls everyone he could to help him out of that small town, and the one person who lives in Vegas comes to his rescue. His rescuer in none other than Carrot Top. Meanwhile at home, Shannon, Sophie, and Tracy collect the last of the ruined KISS items from fans.

In the second part of the two part episode, Horatio deals with his past. Meanwhile, the rest of the team works to rescue Calleigh from her kidnappers.

Wayne is forced to deal with the Eden Falls elite after Cael is caught tampering with the school's computer. Meanwhile, Hugh is deemed psychologically inept to handle the Bayou Hills deal due to depression. Also, Dale demands a job at Panco, and nobody is happy that a traveler named Quinn arrives after spending 20 years in prison.

Take a tour through the "Art Gallery of the Galaxy" and view what are considered the "crown jewels" of the heavens. Nebulas are mysterious clouds of gas that aren't classified as stars, planets, moons or asteroids. Astronomers use the most sophisticated techniques to view them since they are practically invisible to the naked eye. Nothing less than stunning, nebulas glow, reflect or obscure the galaxy's light with amazing swirls of color. Nebulas mark the regions where the nothingness of space first coalesces, where stars are born and where stars die. Cutting-edge computer graphics are used to bring the universe down to earth.

Tonight, neuroscientist and author of When Science Goes Wrong, Simon LeVay.



"Indecision 2008" continues with Obama's attempt to keep his campaign's momentum going with his appeal to blue collar workers in Pennsylvania by doing some of their chores, but his positive advance is suddenly halted by his poor bowling performance. Next, Jon looks at the media's reports on whether Hillary's continuing campaign is hurting the Dems' chances to get the White House.



Finally, Jason Jones reports on a 21 year old superdelegate and what exactly a superdelegate is in a segment called "Donkey Punch".

Stephen discusses the democratic presidential candidates, the economy and promotes Doritos. Stephens gets some welcome news about his portrait. Stephen welcomes the founder and president of Green For All, Van Jones. The topic of discussion is creating more "green" jobs for Americans and how this would benefit our country.

Amid growing public unrest, the police establish Task Force Purana to combat the gangland war. Loan shark Mario Condello faces his own financial crisis, which he solves with brutal efficiency. Bitter rivals Carl Williams and Jason Moran take out contracts on each other. Task force Purana detectives are furious when police corruption derails their investigations.

Bill and Jean Letley attempt to create a single storey new home in their back garden. The have left all the building work to be done by their daughter and son in law.

This week the remaining candidates have to set up an overnight laundry business. At the end of the show Sir Alan Sugar has to decide who will be eliminated tonight.