15 - 1The Biggest Loser Season 15 Episode 1 Oct. 08, 2013
15 - 2A Game of Chance Oct. 22, 2013
15 - 3The Auction Oct. 29, 2013
15 - 4Trick or Treat Nov. 05, 2013
15 - 5The Cook-Off Nov. 12, 2013- 15 - 6Episode 6 Nov. 19, 2013
15 - 7Thanksgiving Nov. 26, 2013
15 - 8Take a Trainer Home Dec. 03, 2013
15 - 9Workplace Obesity Dec. 10, 2013- 15 - 10Episode 10 Dec. 17, 2013
15 - 11Who Gets a Second Chance Back? Jan. 07, 2014
15 - 12Winter Olympics Jan. 14, 2014- 15 - 13Makeover Week Jan. 21, 2014
15 - 14Triathlon Jan. 28, 2014- 15 - 15Finale Feb. 04, 2014