Season
- Season 0 2007-09-04
- Season 1 2004-10-19
- Season 2 2005-09-13
- Season 3 2006-09-20
- Season 4 2007-09-11
- Season 5 2008-01-01
- Season 6 2008-09-16
- Season 7 2009-01-06
- Season 8 2009-09-15
- Season 9 2010-01-05
- Season 10 2010-09-21
- Season 11 2011-01-04
- Season 12 2011-09-20
- Season 13 2012-01-03
- Season 14 2013-01-06
- Season 15 2013-10-08
- Season 16 2014-09-11
- Season 17 2016-01-04
- Season 18 2020-01-28
Season 18 Episode
- Season 6 Husband-Wife and Parent-Child Teams
- Season 6 Chef Rocco DiSpirito
- Season 6 Grand Canyon
- Season 6 Toughest Challenge Yet
- Season 6 Surprising Weigh-In
- Season 6 Longest Challenge Ever
- Season 6 Unusual Workouts
- Season 6 Record-Breaking Weigh-In
- Season 6 Week of Surprises
- Season 6 '80s Week
- Season 6 Thanksgiving week
- Season 6 Makeover Episode
- Season 6 Final Four
- Season 6 Finale!
The Biggest Loser - Season 6 Episode 6 Longest Challenge Ever
5.50 90 minutes The contestants are literally kept in the dark during a wild baked goods temptation; the contestants compete in the longest challenge in ``Biggest Loser'' history; a contestant tries to decide whether to stay at the ranch or go home.
