About The Biggest Loser Season 11, Episode 16 :

The New Zealand adventure continues in Queenstown, where the eight remaining contestants learn from host Alison Sweeney that the game is going to singles. Then a special visitor surprises all of the players with a grand and unforgettable entrance! This week's challenge is river surfing, with the winning contestant getting the coveted prize of immunity plus a helicopter ride to spectacular Milford Sound, one of New Zealand's top tourist destinations. Zip-lining, rock climbing and bungee jumping highlight the rest of their memorable Queenstown experience before a weigh-in sends another player home.