Alan Cumming; Ben Affleck. Also: a report on genetic testing that allows people to learn years in advance whether they will develop cancer or other serious illnesses; an examination of Thomas Jefferson's so-called secret life.
Kid Rock; Richard Gere; professional pencil sharpener David Rees. Also: a report on whether department stores are retail relics of the past or the foundation of future shopping.
A food-theme episode includes a trip to New Orleans with John Goodman to sample the city's many dining options. Also: the history of gin; food expiration dates; gourmet pet food; the geometry of pasta; a 72-ounce steak.
Jack Black; Rep. Steven LaTourette (R-Ohio). Also: an examination of political polls and their accuracy; a report on the efforts of the Metropolitan Opera to bring opera to the masses via movie theaters.
Pete Townshend. Also: a visit to Winslow Homer's restored studio in Maine; a report on lobbyists in Washington, D.C.; a reunion of players from the All-American Girls Professional Baseball League.