The Simpsons take a Fourth of July vacation to a cabin hotel, which cause Homer and Marge to reminisce about two episodes from their past where they stayed in the cabin.
Mr. Burns wins a professional basketball team in a poker game, and the new arena he plans to have Springfield build for the team threatens to interfere with Lisa's new bee sanctuary.
Lisa and her new best friend create their own fantasy world, but Marge doesn't want Lisa to see her friend anymore after she finds out that they're too far gone in it.
Homer finds out that he actually won the senior class president election, and he gets an opportunity to find out how his life would have been different if it had happened.
Bart and his fellow underachievers are taken on a "field trip" to Capital City so that they can miss the standardized test, and Homer makes sure that nothing bad happens until their insurance goes back into effect.
The Simpsons lose their house, but Flanders buys it and offers to rent it back to them. But when they turn out to be less-than-reliable renters, Flanders kicks them out.
In order to rescue Maggie from a Catholic orphanage, Lisa must solve a series of puzzles to reveal the identity of a gem that will bring peace to Springfield.
The Simpsons take Grandpa to Ireland so he can go back to visit a pub he went to during the war, but Grandpa and Homer get suckered into buying the bar.
Homer is kidnapped moments before he and Marge are supposed to re-renew their vows. However, Marge comes to the conclusion that Homer left her at the altar.
Bart gets Milhouse to take the rap for a prank at school, and then blows him off when he falls for a cute 5th grade do-gooder, prompting Milhouse's wrath. Meanwhile, Lisa begins taking "happy pills" to improve her negative outlook.
Homer becomes a "helicopter parent" at Springfield Elementary by helping Bart finish a class project and helping Lisa become popular, and Marge finds a secret sauna in their house.
