Cowboys for a Day on 'The Biggest Loser' (VIDEO)

It's time to wrangle some cattle on 'The Biggest Loser' (Tue., 8PM ET on NBC). On the show, the contestants visit Texas, which -- according to host Alison Sweeney -- is home to five of the ten fattest cities in America. While in the Lone Star State, the contestants try to lose weight by catching some cows.

Watch the video after the jump.It's time to wrangle some cattle on 'The Biggest Loser' (Tue., 8PM ET on NBC). On the show, the contestants visit Texas, which -- according to host Alison Sweeney -- is home to five of the ten fattest cities in America. While in the Lone Star State, the contestants try to lose weight by catching some cows.

The cows are actually calves, and they're small but fast. Koli, Sam and O'Neal manage to run down some of them, and trap the calves in their pens. But most of the cast members have major trouble with this challenge. In the end, we mainly see people falling down while chasing baby bulls. Not that there's anything wrong with that.