 Mirkin pitched the plots for the episodes " The Last Temptation of Homer " , " Bart 's Girlfriend " and " Homer the Great " . He also produced the show 's sole two @-@ part episode " Who Shot Mr. Burns ? " , which aired as the finale of season six and the premiere of season seven . The writers decided to write the episode in two parts with a mystery that could be used as a contest . Mirkin suggested Maggie Simpson as the culprit because he felt it was funnier and wanted the culprit to be a family member . 
