After the power plant experiences bad publicity and is threatened with closure, Mr. Burns decides to run for Governor in order to have power over the law.
After Bart gets hit by a car driven by Mr. Burns, Homer is manipulated by ambulance-chaser Lionel Hutz into bringing an outrageous lawsuit against his boss.
Homer meets his half-brother Herb Powell, an automobile tycoon who zealously bonds with the family and tasks Homer with designing a car for the average American.
After an uncontrollable Santa's Little Helper destroys several important Simpson possessions, Homer announces that he will be thrown out of the house unless he completes obedience training.
After rekindling her artistic talents, Marge is commissioned to paint a portrait of Mr. Burns; Homer vows to lose weight after getting trapped in a water slide.
Homer must decide whether he should complete marriage counseling or skip out to catch a legendary catfish; Bart and Lisa take advantage of Grampa's ignorance of the house rules.
Bart, Milhouse and Martin each pitch in to buy an highly-collectible "Radioactive Man" comic book, which soon has a disastrous effect on their friendship.