SeriesCanceled

The Biggest Loser (2004–2020)

18 seasons263 episodes42 min per episode★ 5.4 · 5,435 votes

The Biggest Loser features obese people competing to win a cash prize by losing the highest percentage of weight relative to their initial weight.

First aired: October 19, 2004
Last episode: March 31, 2020
Network: NBC
Country of origin: United States

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Cast

Bob Harper as Self - Trainer
Bob Harper as Self
Bob Harper as Self - Host
Alison Sweeney as Self - Host
Jillian Michaels as Self - Trainer
Jillian Michaels as Self
Dolvett Quince as Self - Trainer
Rob Huizenga as Self - Physician
Rob Huizenga as Self
J.D. Roth as Self - Narrator
J.D. Roth as Self
Olivia Ward as Self - Contestant
Olivia Ward as Self
Olivia Ward as Self - The Biggest Loser, Season 11
Jennifer Widerstrom as Self - Trainer
Caroline Rhea as Self - Host
Hannah Curlee as Self - Contestant
Hannah Curlee as Self
Hannah Curlee as Self - Season 11 Contestant