Audtions for season 4 from St. Louis, Missouri.

Join host Alton Brown as he sears meat, washes mushrooms, oils the pasta water and tries to blow-up water.

Sydney and Vaughn go undercover to obtain a deadly bio-weapon. Meanwhile, Nadia goes to Jack to find out more about Irina. Also, Sydney becomes worried that Vaughn has not gotten over Lauren.

Its the day after Bartlet's final State of the Union address, but there's no time to rest with a hostage crisis looming in Bolivia that takes the staff's attention away from an agenda meeting set up by Leo. Meanwhile, as Kate works on the Bolivia situation, C.J. monitors the situation in North Korea; Annabeth tutors Abbey on NASCAR etiquette; and Toby focuses his attention the unemployment situation.

At the beginning of the episode model JOY is out! This next assignment goes a direction not yet seen in this competition. The designers will be designing swimsuits that are functional enough to swim in the pool, yet sophisticated enough to wear to a fashion-industry party.

When time is up only 5 hours later, work stops and Tim informs the designers of the surprise for this week's challenge: they're on their way to an Elle magazine party where they will have time to schmooze with Richard Johnson - the New York Post's "Page Six" columnist. The designers who impresses him most with personality and design will get mentioned in his column and win the challenge. Before the parying can begin though, the models must be convinced to wear some of the designs that they think are too revealing. You're either in, or you're out, who was out this week? Alexandra is Out!

Carrie uses her extra income to hire a maid, but Doug feels left out and decides to hire his own help in the form of Spence's mom, Veronica. Soon, Veronica proves to make more messes than she cleans, especially when her newly subordinate position makes Arthur pine for her.

Fontana and Green are baffled by a series of flu-related deaths until they discover that the victims were given fake vaccine. McCoy goes after the con man who distributed the vaccine for murder.

Violence ensues and a mysterious island beast makes a re-appearance when Michael and Locke clash over Walt's upbringing. Meanwhile, Charlie is tempted to read the missing Claire's diary, and Sayid enlists Shannon to help decipher the French woman's map.

TONIGHT: Author Michael Beschloss!