Season 7

Chef Irvine gets in touch with his inner beast tonight when he prepares dinner for 900 guests celebrating the Philadelphia Zoo's 150th anniversary. Not only must he produce results in only nine hours, his menu must be based on diets for four of the zoo's biggest attractions: birds, primates, big cats and reptiles

All the employees at Philadelphia's Bourse building have taken a vacation day, and Chef Irvine must feed the hundreds of people who come to lunch at the famous food court there by himself. He has all night to prepare, but it may not be enough time because he has to stock and open all seven restaurants with seven very different cuisines.

Chef Robert takes a trip to Vermont where he has nine hours to feed 400 of Ben & Jerry's employees with food inspired by 15 of their wildest flavors.

Like nothing before, it's David vs. Robert in the ultimate chef vs. chef battle on Palmer Street.

To help Sesame Street celebrate its 40th birthday in Langhorne, PA, Chef Robert and his sous-chefs Maria, Elmo, and Cookie Monster must cook up a menu for 250 parents and their children in just 8 hours using only the letter B as inspiration.

Chef Robert must create a fabulous dinner for 250 VIPs at the Rock and Roll Hall of Fame in just nine hours and his dishes must be influenced by six important music varieties: the Blues, Rock and Roll, Rap, Seattle Grunge, the British Invasion, and Woodstock.

In Twinsburg, Ohio, Chef Robert's mission is to create a spectacular meal for 250 twins at the largest annual gathering of twins. However, for every dish Chef Robert makes, he must duplicate it using the same ingredients, creating a new and different dish.

Chef Robert is at the Summer Slam, WWE's biggest summertime event, and he has nine hours to prepare a fantastic meal for 300 WWE VIPs. However, the dishes he creates must be inspired by the superstars' signature moves, such as the Knife Edge Chop, the Clawhold, and the Frog Splash. And yes, the Big Show, the seven-foot-400-pound enforcer will be there, breathing down Chef Robert's neck. Oh my.

Chef Robert arrives in Washington DC at the Newseum. It's none other than Mr. David Gregory from NBC news who delivers Chef Robert's mission: in 8 hours he must prepare a menu for 300 people based on four food events that occurred in American history. Chef Robert must cook dishes that represent WWI food rationing, early Thanksgiving, the creation of TV dinners, and the publication of Julia Child's "Mastering the Art of French Cooking".

Chef Robert and the incomparable Guy Fieri team up with Share our Strength and are in the spirit of giving. It's a special holiday episode of Dinner: Impossible with the Santa Rosa Boys and Girls Clubs. It's a merry mission indeed!