The Biggest Loser - Season 4 - Eps 2: The Secret Black Team is Revealed!
Bob and Kim prepare their teams for this week's challenge: racing up the stairs of a 10-story building. With immunity as the prize, both teams will have to do their best. Meanwhile, the secret black team, trained by Jillian Michaels, is finally revealed to the other contestants, who will join them in competing for the title of "The Biggest Loser" and $250,000.
About The Biggest Loser

Title: The Biggest Loser
First Air Date: 2004-10-19
Last Air Date: 2020-03-31
Status: Ended
Rating: 5.4/10 (from 26 votes)
Language: EN
Seasons: 19
Total Episodes: 263
Network: NBC
Genres: Reality
Production Companies: 25/7 Productions
Synopsis
The Biggest Loser features obese people competing to win a cash prize by losing the highest percentage of weight relative to their initial weight.
Cast

Erica Lugo
Trainer

Steve Cook
Trainer

Bob Harper
Host