Hands down the worst episode of the season. There has not been an episode more boring and painfully unfunny than "Donnie Fatso." Nothing works here, the dialogue is stale, the jokes are terrible. Even the sight gags, a usually reliable element of The Simpsons, don't work. The episode's only saving grace was the admitedly hysterical way Bart, Lisa and Maggie wake up Homer on New Year's Day. Speaking of that scene, am I the only one who noticed Bart goes from wearing a white button down shirt and pants to his usual t-shirt and shorts just a few seconds later?