Doug's Chubby Buddy

S2 E3: Patti starts to worry about her weight after watching a commercial selling the Waist-Away diet kit to fight body fat. Patti becomes so compulsive about dieting and exercise that even Doug can't talk any sense into her. When Patti collapses at a track competition, her teacher, Miss Kristal, makes her understand how she is jeopardizing her health.