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The Biggest Loser features obese people competing to win a cash prize by losing the highest percentage of weight relative to their initial weight.
US availability from JustWatch
Season 1
12 episodes · 2004
Season 2
12 episodes · 2005
Season 3
13 episodes · 2006
Season 4
15 episodes · 2007
Season 5
16 episodes · 2008
Season 6
14 episodes · 2008
Season 7
21 episodes · 2009
Season 8
13 episodes · 2009
Season 9
19 episodes · 2010
Season 10
13 episodes · 2010
Season 11
21 episodes · 2011
Season 12
13 episodes · 2011
Season 13
18 episodes · 2012
Season 14
12 episodes · 2013
Season 15
15 episodes · 2013
Season 16
18 episodes · 2014
Season 17
8 episodes · 2016
Season 18
10 episodes · 2020
Show details from TMDB. This product uses the TMDB API but is not endorsed or certified by TMDB.
