Episode 644

For generations of Americans, food titans like Henry Heinz, Milton Hershey, John and Will Kellogg, C.W. Post and the McDonald brothers have literally been household names, but you don't know their stories. Before they were brand names, they were brilliant, sometimes ruthless, visionaries who revolutionized food and changed the landscape of America forever. This miniseries event will tell the fascinating stories of the people behind the food that built America – those who used brains, muscle, blood, sweat and tears to get to America's heart through its stomach, and along the way built cities, invented new technologies and helped win wars.

Life, death and drama at 20,000 feet, SkyMed weaves together intense character journeys and high-stakes medical rescues, as we follow the triumphs, heartbreaks and tribulations of budding nurses and pilots flying air ambulances in remote Northern Canada. They're all in over their heads, and on their own, with no one to rely on but each other.

In American Dad!, Stan Smith leads the all-American family in this animated sitcom filled with wild and crazy extremes. Everyday life is taken to the limit as Stan applies the same drastic measures used in his job at the CIA to his home life. Driven by machismo and the American dream, he often is blind to how horribly he fails at his attempts. This father might not know best, but he never stops trying.

Mark Scout leads a team at Lumon Industries, whose employees have undergone a severance procedure, which surgically divides their memories between their work and personal lives. This daring experiment in "work-life balance" is called into question as Mark finds himself at the center of an unraveling mystery that will force him to confront the true nature of his work… and of himself.

Jeopardy! is a classic game show -- with a twist. The answers are given first, and the contestants supply the questions. Three contestants, including the previous show's champion, compete in six categories and in three rounds (with each round's "answers" being worth more prize money).