He was showing his stretched out skin. It was actually not as bad as I thought it would be, but it's pretty saggy and wrinkly. His chest is also in sorry shape. A plastic surgeon was on and offered his services to him, and Danny "acted" surprised. Of course, he was very grateful.
When they first brought him out, they had a bar bell with the same amount of weight he'd lost. It was so much, he couldn't even pick it up.
Other than some flashbacks from TBL, and a display of food equaling the 7,000(?) calories he used to consume in a day, there much else in his segment.