The Biggest Loser (2004)
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Specials
4 episodes
Season 1
12 episodes
Season 2
12 episodes
Season 3
13 episodes
Season 4
15 episodes
Season 5
16 episodes
Season 6
14 episodes
Season 7
21 episodes
: second chances
13 episodes
Season 9
19 episodes
Season 10
13 episodes
Season 11
21 episodes
Season 12
13 episodes
Season 13
18 episodes
Season 14
12 episodes
Season 15
15 episodes
Season 16
18 episodes
Season 17
8 episodes
Season 18
10 episodes