David Lee

Season 7 begins by introducing the players, who will compete in pairs. Grandparents, best friends and former plus-size models are among the twosomes. The group also boasts the oldest contestants and the heaviest contestant in the show's history.

The players encounter temptation, forcing them to assess why they've come to the ranch. Later, they compete in a race for immunity and a phone call home, and Bob clashes with a contestant during the last-chance workouts.

This week, the contestants hike up a hill to find over 100 keys, but only two teams will find the keys that unlock the Biggest Loser gym. The rest of the teams have to learn to creatively work out all week without the use of the gym. Later, a rowing machine challenge pits team against team, and then a surprising turn of events leads to one contestant heading home. Alison Sweeney hosts the series, and Bob Harper and Jillian Michaels also star.

It'’s Super Bowl week on the Biggest Loser ranch, and that means food, football and fun with two special guest stars celebrity chef Curtis Stone and NFL MVP Kurt Warner. First, Stone tests the contestants’ calorie knowledge of traditional Super Bowl snacks, then teaches them how to make healthier versions. Later, one contestant has to leave the ranch for a very important arrival at home, while another surprises her teammates with a new change in attitude. Then it'’s time for the challenge, when Warner puts the contestants through an NFL-style drill that will give the winner an especially valuable prize this week. Then the partners who were sent home for 30 days while their teammates stayed on the ranch are welcomed back. But the reunion celebration is quickly followed by a tense weigh-in and elimination that will leave one team heading home. Alison Sweeney hosts, and trainers Bob Harper and Jillian Michaels also star.

Popular Chef Rocco DiSpirito Guest Stars -- Celebrity chef Rocco DiSpirito returns to the Biggest Loser to take the contestants to a restaurant, where he teaches them how to make healthier choices when eating out. Then the contestants have a lively cook-off, preparing healthier, low-calorie versions of once favorite meals. The winning team gets a meal specially prepared by Rocco, and a chance to pick a fortune cookie with an especially valuable fortune inside! In this week’'s challenge, the players all head to a food bank where they’ll race to pack food kits for the hungry and load them on trucks, with the winning team earning an amazing prize. Later, all of the contestants are surprised to learn about a new twist at this week'’s weigh-in. Alison Sweeney hosts the series, and trainers Bob Harper and Jillian Michaels also star.