Lisa: [Frantically looks for it] Oh, oh!
Bart: Looking for something? [petting the hamster]
Lisa: What have you done with my report? [goes to look for it]
Bart: I've hidden it. To find it, you'll need to decipher a series of
clues, each more fiendish --
Lisa: [finds it] Got it!
Bart: D'oh!
-- Great plan, Bart, "Duffless"