The Biggest Loser

Season 5, Episode 10

Episode Title: Contestants Tackle One of the Biggest Challenges in Show's History

Air Date: 2008-03-04

Overview:

After revisiting the hospital to check in on their progress, the remaining players face off in one of the biggest challenges in "Biggest Loser" history -- they must fly across a ravine on zip-lines and collect flags. One player gets the chance to give immunity to himself or one of his teammates, and his decision ultimately affects his own fate. And a shocking announcement at the weigh-in changes the way the rest of the game will be played.