Overview
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.
-
9 - 1Week One January 05, 2010 -
9 - 2The Biggest Loser Season 9 - Week Two January 12, 2010
-
9 - 3Week 3 January 19, 2010
-
9 - 4Season 9, Episode 4 January 26, 2010 -
9 - 5Season 9, Episode 5 February 02, 2010 -
9 - 6Season 9, Episode 6 February 09, 2010
-
9 - 7Season 9, Episode 7 March 02, 2010 -
9 - 8Season 9, Episode 8 March 09, 2010
-
9 - 9Season 9, Episode 9 March 16, 2010
-
9 - 10Week 10 March 23, 2010
-
9 - 11Season 9, Episode 11 March 30, 2010
-
9 - 12Week 12 April 06, 2010 -
9 - 13Season 9, Episode 13 April 13, 2010
-
9 - 14Season 9, Episode 14 April 20, 2010
-
9 - 15Season 9, Episode 15 April 27, 2010
-
9 - 16Season 9, Episode 16 May 04, 2010
-
9 - 17Season 9, Episode 17 May 11, 2010
-
9 - 18Season 9, Episode 18 May 18, 2010
-
9 - 19Season 9 Finale May 25, 2010