After receiving an injection from Dr. Hibbert, Bart becomes temporarily deaf, which makes him impervious to being bullied, until he accidentally moons the American flag during a donkey basketball game, prompting everyone in town to accuse the Simpsons of being unpatriotic under the new "Government Knows Best" Act.
After a ruined movie night, thanks to Bart and Lisa, Homer and Marge take a vacation away from them, but decide to go to Miami instead of going to see an uncle. When Bart and Lisa catch wind of their parents' secret plan, Bart steals Rod's credit card (just like Homer stole Ned's) and go after them.
Homer and Marge's bond becomes stronger when they both get drunk on wine, but soon the bond unravels when Homer blames Marge for crashing the car and Marge gets sent to rehab. Meanwhile, Bart and Lisa complain to Randall Curtis (a George Lucas-esque science fiction movie director) about his latest film.
When the local library proves to be useless for the kids' class project, Marge tells Milhouse, Bart, and Lisa three Simpsons-style historical accounts: Henry VIII's (Homer's) attempts at siring a son, Lewis and Clark (Lenny and Carl) exploring the USA's wilderness with Sacagawea (Lisa), and Salieri (Lisa again) out to ruin piano-playing virtuoso Mozart (Bart).
When a group of singles, seniors, childless couples, teens and gays band together to protest having to accommodate families (including paying property taxes used to teach children they do not have) after a riot at a children's concert, Marge takes up the cause for the families, with some help from Bart and Lisa.
"Reaper Madness" - Death becomes Homer and our hero must learn to reap what he sows (and pull a fast one on the almighty). "Frinkenstein" - Soon to be Nobel-prize winning Professor Frink reanimates his father for some gruesome body parts-swapping. "Stop the World, I Want to Goof Off" - A parody of Clockstoppers, starring Bart and Milhouse.