Contestants Tackle One of the Biggest Challenges in Show's History The Biggest Loser : Season 5 Episode 10

TV-PG NBC 42m int(0)

EPISODE LIST

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.

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