A couple brings their baby into the clinic to see Dr. House. Realizing the baby is regressing in percentile, the parents admit to having the baby on a vegetable diet. House educates them on the dietary needs of a baby.
Billy dreams that he is a special guest on a cooking show called "The Cast Iron Stomach" where he bakes cookies by blending junk food together. He is abruptly woken by Grim and then realizes that he did the same thing in his living room before passing out on the couch. Mandy reminds him that he's supposed to stay away from junk food just as he finds himself getting sick from all he's consumed.