When did The Biggest Loser Season 9 Episode 3 air?
The Biggest Loser Season 9 Episode 3 aired on January 19, 2010.

The contestants assume the role of either teacher or student; a challenge grants immunity to the winning team; a contestant threatens to quit the competition.
Direct answers for episode-level questions and details.
The Biggest Loser Season 9 Episode 3 aired on January 19, 2010.
This episode runs for approximately 90 minutes.
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