Dinner: Impossible is an American television program broadcast by the Food Network. The first episode aired on January 24, 2007 and the last episode aired in 2010. Food Network began airing the eighth season on March 3, 2010.nnEach episode, the host is given a challenge that must be completed within a given time. Challenges have included preparing a large dinner aboard a luxury train, an "authentic" 18th-century American colonial dinner, and a luxury meal on a small, isolated, New England island.