S19E11: That 90's Show

In "Simpsonlar - S19E11," the episode wraps up with Bart and Lisa discovering that their ancestors were part of a family feud involving the Simpsons and the Flanderses. The two families were at odds over a pig, and it turns out the feud was reignited by a misunderstanding. Bart, who initially relishes the chaos caused by the feud, eventually works with Lisa to uncover the truth behind the original conflict. They find out that the feud was based on a mix-up where both families believed they were wronged. The episode concludes with Bart and Lisa bringing this revelation to their families, who decide to put the past behind them. The Simpsons and Flanderses agree to bury the hatchet, albeit in their own quirky way. And just like that, peace returns to Evergreen Terrace—until the next inevitable Simpson drama.