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The Biggest Loser
Season 6 · Episode 4
Toughest Challenge Yet
0.01h 30mOctober 7, 2008
While one team's members go home to their loved ones, another team spends 24 hours with a trainer; contestants face a competition that tests their endurance as never before; a group of contestants faces the wrath of the trainer.
Episodes
- Episode 1Husband-Wife and Parent-Child Teams
- Episode 2Chef Rocco DiSpirito
- Episode 3Grand Canyon
- Episode 4Toughest Challenge Yet
- Episode 5Surprising Weigh-In
- Episode 6Longest Challenge Ever
- Episode 7Unusual Workouts
- Episode 8Record-Breaking Weigh-In
- Episode 9Week of Surprises
- Episode 10'80s Week
- Episode 11Thanksgiving week
- Episode 12Makeover Episode
- Episode 13Final Four
- Episode 14Finale!