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.