When did The Biggest Loser Season 5 Episode 4 air?
The Biggest Loser Season 5 Episode 4 aired on January 22, 2008.

It's win or go home after a surprise elimination pits one outcast duo against all of the others. At the challenge, contestants compete for a prize they all desperately need after nearly a month away from their loved ones - letters from home. Three teams plot to throw the weigh-in, then have a change of heart, but is it too late for them to turn back?
Direct answers for episode-level questions and details.
The Biggest Loser Season 5 Episode 4 aired on January 22, 2008.
This episode runs for approximately 90 minutes.
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