Homer and Bart get careless with a model rocket and accidentally do damage to Springfield's church, but when Mr. Burns offers to commercialize it to repair the destruction, Lisa leaves Christianity behind to become a Buddhist.
A social services officer brings unity to the Simpson family, but their newfound happiness is threatened when the cocktail waitress Homer married in Vegas shows up at their door.
Lisa pretends to be a college student when she befriends two college girls; Bart is forced to live in a plastic bubble after being bitten by a mosquito.