Bart's Siamese twin swells in the attic; Lisa's science experiment creates a miniature universe of advanced civilization; aliens possess Clinton and Dole.
The Simpsons move to the town of Cypress Creek, where Homer works for a friendly boss who happens to be a supervillain; the rest of the family has a hard time with the transfer.
Homer is cast as Poochie, a new "Itchy and Scratchy" character designed to reverse declining ratings; a hip college student moves in with the Simpsons.
After alcohol is banned in Springfield, Homer adopts the moniker of the "Beer Baron" to bootleg liquor, prompting an investigation from an uptight Treasury agent.
When the items Bart purchased with a fake credit card are repossessed, he claims that Santa's Little Helper is the dog he bought instead of his new pet, Laddie.
Bart is sent to a military school to be disciplined; Lisa, seeking a challenge, enrolls with him, but faces discrimination as the school's only girl cadet.