Where To Stream The Biggest Loser Season 12 Episode 4

This week, the contestants are surprised by three special guests - past season contestants Hannah Curlee, Adam Hurtado and Marci Crozier, who each visit and inspire the team that represents his or her respective age group. Then all the players are off to a wild weather challenge in which they have to race while battling the elements - including wind, rain and snow - to win coveted letters from home. The winning team receives an unexpected and very emotional bonus prize. Later, trainer Bob...