Dance Your Ass Off?

I was contacted by a new reality show that was pitched as "The Biggest Loser" meets "Dancing with the Stars." I beleive it was called "Dance Your Ass Off" and it would be on the Oxygen network.I am kind of tempted to apply, but I worry about my knees. I also worry about the time commitment, and where will the filming take place? What about my job? I have a lot of questions, but I have to