sentences:  Grampa and Maggie Simpson are told not to ride due to safety restrictions that serves a reminder to guests about the ride's height requirements and thrill intensity that can aggravate certain heart conditions.Grampa suddenly falls asleep while Maggie crawls into a nearby nuclear reactor room, causing her to grow larger.Meanwhile on screen, Krusty leads the Simpsons into a ride room where he tells them to enjoy the ride, but Sideshow Bob appears and knocks out Krusty.