: The movie centers on Homer inadvertently causing an ecological disaster by dumping a silo of pig waste into Lake Springfield. This leads the Environmental Protection Agency (EPA) , led by antagonist Russ Cargill , to imprison the entire town under a massive glass dome.

This feature explores the massive scale of the film's production and its lasting impact on the franchise's legacy.

: When the family escapes to Alaska, they receive a $1,000 "dividend" for the state's natural resources—a real-life practice through the Alaska Permanent Fund .

: Springfield, Vermont won a nationwide competition against 13 other "Springfields" to host the world premiere, featuring a special yellow carpet instead of the traditional red.

: The script was officially started in 2003 and underwent a staggering 158 revisions by a team of 11 writers. To prevent leaks, producers personally shredded the script pages after every voice recording session.