Air date: 10/11/90
Bart's poor schoolwork prompts his teacher, Mrs. Krabappel, to threaten to h old him back in the forth grade for an extra year. He falls behind while studying for a history test and prays to God for help. That night, a tremendous snowstorm hits Springfield, canceling school the following day. Bart wants to go out and play, but Lisa tells him that he should stay home and study. He does, and gets a D-minus on the test – the bare minimum he needed.
Simpson and Delilah
Air date: 10/18/90
Homer learns of a new anti-baldness drug, which he can only afford by cheating on his company heath insurance. He grows a luxurious head of hair and is promoted by Mr. Burns. He gets an office with a gay male assistant, Karl, who develops a crush on him. But jealous Smithers discovers the secret of Homer's success and gets the prescription canceled. Bald again, no one listens to homer and he winds up back where he started.
Treehouse of Horror
Air date: 10/24/90
In this trilogy of horror-themed Halloween stories, Bart and Lisa attempt to scare each other with tales of the macabre. In the first, “Bad Dream Homer”, the Simpsons inhabit a haunted home, which possesses their souls, and causes them to attempt to kill each other. But after spending enough time with the Simpsons, it is the house, which kills itself, vanishing into another dimension. In the second segment, “Hungry are the Damned”, the Simpsons accuse the monsters of planning to eat them, but the offended aliens reveal they were only planning a sumptuous meal for the family. In the third segment, a satire of Poe's “The Raven”, a grief-stricken Homer is tormented by bad bird Bart.
Two Cars in Every Garage and Three Eyes on Every Fish
Air date: 11/1/90
When a three-eyed fish is discovered downstream from the Springfield Nuclear Power Plant, the plant is hit with tremendous sanctions by state regulators. Burns realizes that if he becomes governor, he could control the regulations and brings in a team of consultants to help him take on an incumbent governor Mary Bailey. His climactic campaign event is dinner at the Simpson house where Marge – a Bailey booster – serves Burns' own three-eyed fish to him. Burns can't eat it, destroying his image and costing him the election.
Dancin' Homer
Air date: 11/8/90
The family attends a Springfield Isotopes baseball game, which a boozy Homer livens up. He becomes an official mascot for the team, boosting attendance and the team's play. But when Homer attempts to crack the big time – the big city ballpark of Capital City – he strikes out. Yet he finds to his surprise that the experience has benefited him after all – his friends now consider him interesting.
Dead Putting Society
Air date: 11/15/90
Homer's annoyance at his sweet lovable neighbor Ned Flanders grows completely out of bounds, so that when Bart and Ned's son Todd both show interest in miniature golf, Homer bets Flanders that his son can beat Ned's – and the loser has to mow the lawn in his wife's dress. Lisa helps Bart train, using the principles of Zen, and when the big day comes, the boys are evenly matched. They finally agree to tie, and Flanders offers to forget the bet, but Homer insists that they each mow the lawn in a dress – which Flanders enjoys, to Homer's fury.