Dinner: Impossible

Robert Irvine meets his match in toughness as he takes on a mission with the women of roller derby. He has eight hours to prepare a meal that 250 female players can eat with their hands -- no forks, spoons or knives.

Robert Irvine visits the world's largest candy store, Dylan's Candy Bar in New York City. He has only eight hours to prepare a party for 250 people, and he must use candy in every dish.

Robert Irvine prepares a thrilling meal for 250 roller coaster enthusiasts at one of the country's top locations for thrill seekers: Six Flags Great America! He has nine hours for twists on classics like hot dogs and funnel cake.

Robert Irvine helps the Philadelphia Zoo celebrate their 150th anniversary by preparing a dinner for 500 in just nine hours. Every dish he makes has to be based on the diets of the zoo's big cats, primates, birds and reptiles.

The entire food court in the historic Bourse building in Philadelphia is taking the day off, and one man is filling in. Robert Irvine's mission is to simultaneously open seven restaurants with seven cuisines in just eight hours.

Robert Irvine's mission at Ben and Jerry's ice cream factory in Vermont soon has him screaming, but not for ice cream. He has nine hours to cook for 400 employees, and every dish must be based on one of their flavors.

Robert Irvine is pitted against his sous chef, David, to cook for a block party of 150 neighbors. Each team has six hours and can only use food found in the houses on their respective side of the street.

Robert Irvine goes to Sesame Place in Langhorne, PA, to help celebrate Sesame Street's 40th birthday. He meets his helpers for the day -- Elmo, Cookie Monster and Maria -- and they make a letter B-themed meal for 250 people.

Robert Irvine heads to the Rock and Roll Hall of Fame in Cleveland for a music-inspired mission. He has just nine hours to cook a legendary meal for 250 VIPs and must base his menu on six influential musical genres or events.

Robert Irvine faces double trouble when his mission takes him to Twinsburg, OH, for Twins Day. He has eight hours to cook for 250 twins, and for every dish he creates, he has to use the main ingredients in a different, twin dish.

Robert Irvine is taken to the mat as he joins up with WWE Superstars at the Summer Slam event. Stephanie McMahon asks Robert to feed 300 VIPs a huge meal in just nine hours, and every dish must be based on WWE signature moves.

At the Newseum in Washington, DC, Robert Irvine has eight hours to prepare a newsworthy meal for 300 people based on four major food events in American history.

Guy Fieri pops in to deliver an extreme holiday mission to Robert Irvine. They join forces with Share Our Strength to give members of the Boys and Girls Clubs of Greater Santa Rosa a day they'll never forget.