that scent, mrs. mapler, is our science project. francine created a perfume that stinks up human skin -- and i created a formula that made the smell go away. no you didn't, i did! i did! i'm sorry, who created the formula that made the smell go away? both: i did! give it to me. ok, lisa helped a little... a little? fine, lisa made it! lisa made it. are you happy? yes...i am. if you'll make that smell go away, we'll all be happy. i present, anti franstinky. who smells? you do, but i'll take care of that. ♪ ladies and gentlemen to the a student. oh! thanks guys. oh, i am so happy i never have to smell that stinky perfume again. mm-hmm. what's that scent? it smells like stinky cheese. oh no, the smell is back...oh no! stinky cheese omelet? right here. oh keith! what, i love a stinky cheese omelet. who doesn't? (laughing) it smells like success in here... oh wait, that's me! on prankster planet, no one can stop me. will you even dare to try, electric company? (laughing) ♪ prankster planet prankster planet ♪ ♪ the reverse-a-ball'