Becky prepares for a slumber party and Darlene practices to pitch in a baseball game. Darlene becomes extremely moody and storms out of the house after arguing with Roseanne. Later, Roseanne receives a phone call that Darlene was rushed to the hospital for an emergency appendectomy. Roseanne is wracked with guilt after Darlene develops complications; Roseanne and Dan anxiously await the doctor's prognosis, though all turns out well.