The Sand Dune Challenge

S15 E1101/07/14
Also available on the NBC app

The contestants must haul 10 weights up a challenging sand dune for a chance at a lavish gym equipment prize.

Appearing:Alison Sweeney
Tags: Biggest loser, season 15, ranch, loser, jillian michaels, bob harper, dolvett quince, challenge, second chance, eliminated, bobby, return, beach, sand, dune, challenge, weights
S15 E113 minHighlightReality and Game ShowPrimetime