Bart, Milhouse, and Ralph venture into unknown territory — a crosstown Kwik-E-Mart — to seek out "The Squishee of Death"; Lisa uncovers a insidious crime against her Malibu Stacy collection and all signs point to one culprit… Bart Simpson; Milhouse gets a new look for School Picture Day; and Bart breaks a few rules in order to taint Ned Flanders' spotless reputation. Misbehave with Bart this February!