At the Los Angeles Coliseum, Alison introduces the twenty contestants for the season, they who are all former athletes, including some former professional athletes and former Olympians. She also introduces the three trainers for the season, who include now Biggest Loser training veteran Dolvett, and two newbies to the Biggest Loser family, Jessie and Jen. For their first workout at the Biggest Loser Ranch, the twenty contestants are under the tutelage of all three trainers, who get a feel for who are among the group. In general, Dolvett can see the former athletes come out as what he considers the best first workout he has ever been a part of on the show. The contestants are then thrown into their first individual challenge, which combines aspects of beach volleyball and an obstacle course. The prizes are the choice of trainer for the season, where there are six open spots per trainer. With only eighteen spots, the last two to complete the challenge are automatically eliminated. After...