When a modernized Springfield Elementary has a technical meltdown, Lisa transforms it into a Waldorf school.
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After Bart gets bullied at the school dance, Marge convinces the town to pass anti-bullying legislation.
The Simpsons learn about Grampa's days in the Air Force, and Bart takes up smoking to impress Milhouse's Dutch cousin.
When Homer gets an old film roll developed, the family takes a trip down memory lane to see the origins of how Bart and Lisa first started fighting with each other.
Bart lies about being involved in a bulldozer crash, so Marge decides to follow him everywhere until he confesses.