'Biggest Loser' Revealed in Season Finale, Part 1 In this must-see finale, all of the contestants from this season return for a special reunion and a chance to weigh in one last time — and show America how much weight they've all lost since beginning their journeys. Then it's the moment viewers have been waiting for, when one of the final four will be named this season's Biggest Loser and win the coveted grand prize of $250,000.
