 The new trainers then start working with all the remaining teams.The Ranch team is offered a team challenge – they lost 48 pounds as a group, if they can lose at least 49 pounds this week they would all gain immunity.The Unknowns, however, will have a vote, but will participate in a challenge with the winning team gaining immunity for the week – the challenge is to stack weights on other team's scales; when a team gets 500 pounds they are out.