J.D. Roth

"The Biggest Loser" (Tuesday, Sept. 15, at 8 p.m. on NBC)

One surprise for Season 8: Daniel Wright, a contestant from last season will return. Also on tap for the upcoming season is a return to the show's single contestant format. "We're going to study the fattest cities in ... moreAmerica," executive producer J.D. Roth told the Hollywood Reporter. "We're going to try to cast in those cities and add things into those cities to help them change their ways and to get off that list."