Stuck in his room with a broken leg, Bart hears a high-pitched scream. When he looks through his telescope, he sees a guilty Ned Flanders burying the evidence.
Lisa feels threatened when a new girl moves to Springfield: Allison is smart, pretty, a great saxophone player and a crack diorama builder. Lisa tries to befriend her new rival, but she's consumed with envy and competitiveness.
After reading the weepy best-seller The Bridges of Madison County, Marge sits down with the family and recalls romantic moments, along with temptations from her bowling instructor Jacques and Homer's coworker Mindy.
Lack of beer and cable TV make Homer a crazed killer; the present is altered by a time-traveling Homer; and Principal Skinner turns detention students into food.
When they try to go on vacation, the family discovers Marge's debilitating fear of flying. Marge consults a psychoanalyst to find the source of her baffling fear.
Homer joins the secret society of the Stonecutters and is suddenly exalted when the brethren discover his birthmark. The ancient order is shaken to the core by the ineptitude of its new Chosen One.
The story of Maggie's birth is told in flashbacks: after Homer quits the Springfield Nuclear Power Plant to pursue his dream of working at a bowling alley, Marge reveals that she is pregnant.
When Bart is forced to assist Principal Skinner in early-morning astronomy observations, he discovers a giant comet heading towards Springfield. Facing impending doom, the entire town shows up at the Flanders family bomb shelter.
Krusty the Clown's reckless spending forces him to open a clown college to keep afloat. New graduate Homer discovers the perks and perils of being Krusty.
The Simpson household's overrun with puppies--the offspring of Santa's Little Helper and his new girlfriend from which Mr. Burns would love to make a greyhound-skin tuxedo.