The show featured twelve overweight contestants competing to dance and lose weight.
The medical doctor was Rob Huizenga from the USA Biggest Loser.
For this season, the judges were Danny Teeson, Lisa Ann Walter and Mayte Garcia.
On the finale, Ruben defeated Pinky and Shayla to become the first ever Dance Your Ass Off champion.
Notes: First aired September 7, 2009 Shayla won Fan Favorite and a check for $5000.