Homer is stuck in a cave, so while Marge and Bart go looking for help, Lisa tells him a story. It is the story of her and Mr. Burns escaping a rampant goat, getting stuck in Burns's attic and Burns telling a story about Moe's treasure while they wait for help...
Springfield Elementary is divided into two separate schools (one for boys, one for girls) following Principal Skinner's demotion. Concerned that the boys are receiving a higher standard of education, Lisa disguises herself as a boy.
After seeing a museum exhibit on evolution, in which creation is labeled a myth, an outraged Ned Flanders teams with Reverend Lovejoy to blackmail Principal Skinner into requiring creationism to be taught in classrooms, eventually at the expense of any mention of evolution. Lisa becomes outraged herself, and forms a student organization to teach evolution, leading to a creationism vs. evolution trail, a la Inherit the Wind.
Marge begins her own carpentry business, but Homer becomes the face of the business because nobody will take a female carpenter seriously. And Bart uses Principal Skinner's peanut allergy to his advantage.
"Married to the Blob" - a take-off on The Blob, with Homer in the title role as radiation from a meteor turns him into a blob-like monster. "You Got to Know When to Golem" - A take-off on an old Jewish legend. "The Day the Earth Looked Stupid" - in the late 1930s, Kang and Kodos land in Springfield as part of an alien invasion, but the town, completely taken in by The War of the Worlds, doesn't pay much attention.