A handful of contestants and winners from past seasons grace the stage before Alison introduces the three trainers - Bob, Jillian, and Dolvett - who provide their thoughts about this season and their special bond with this season's contestants as they acted as casting directors for the season. The at-home contestants are introduced and Alison describes a little of their journey on the show and after leaving the ranch before they each weigh-in for the final time to determine the winner of the $100,000 at-home prize. Alison then introduces the three finalists - Bobby, David and Rachel. Ruben, a contestant this season, then performs his new single "Meant to Be". The trainers interview audience members who have gone through their own at-home weight loss journey as encouraged through the Challenge America program. The three finalists then weigh-in for the final time to see who is the winner of the $250,000 and the title of the Biggest Loser Season 15.
—Huggo