Losing weight is no fun. And it's especially no fun when you're being yelled at by semi-sadistic trainers in front of a national TV audience. And so, on the latest episode of 'The Biggest Loser' (Tue., 8PM ET on NBC), the contestants took revenge on hosts Bob Harper and Jillian Michaels -- by throwing them into the mud.

Watch the video after the jump.Losing weight is no fun. And it's especially no fun when you're being yelled at by semi-sadistic trainers in front of a national TV audience. And so, on the latest episode of 'The Biggest Loser' (Tue., 8PM ET on NBC), the contestants took revenge on hosts Bob Harper and Jillian Michaels -- by throwing them into the mud.

Michaels was especially not into the whole "mud fight" concept that the contestants started. "No, no, no, no, no, no, no, no," she said. But that large number of "Noes" did not tame the crowd. And so Michaels was chased down and then covered in large amounts of muddy goop. "I hope you know that I hold a grudge!" she yelled.