The boys follow Mephesto through the creepy lab. MR. MEPHESTO I'm so pleased that you children are interested in genetic engineering... CARTMAN It's okay fluffy... Nobody's going to hurt you... MR. MEPHESTO It's thanks to the wonder of genetic engineering that soon there will be an end to hunger, disease, pollution, even war. I've created things that will change the world for the better -- (pointing) -- For instance, here is a monkey with four asses. In a cage is a medium sized monkey with four asses that looks pissed off. KYLE (To Stan) How does that make the world better? Stan shrugs. Mephesto shows them more pissed-off animals. MR. MEPHESTO And here, of course, is my four-assed ostrich, and my four-assed mongoose. The Boys look increasingly confused. STAN Do you have anything besides just animals with four asses? MR. MEPHESTO Oh, well, I suppose so... Ah yes, over here -- Mephesto points to some odd-looking animals. MR. MEPHESTO Here I have rats spliced with ducks... And gorillas spliced with mosquitos. And here I have rabbits spliced with fish to make little bunny fish!! In a tank, four fish with bunny ears swim around. Cartman looks at them closely and notices that the bunny ears have little strings attached to them. CARTMAN Hey... These bunny ears are tied on with little strings! MR. MEPHESTO And over here is swiss cheese spliced with chalk... And a beard. The boys look at the bearded swiss cheese with chalk. KYLE Well what about our pot-bellied elephant? MR. MEPHESTO Oh... well I'm sorry children, but pig and elephant DNA just won't splice. Haven't you ever heard that song by Loverboy? KYLE Which song is that? MR. MEPHESTO "Da'n Do-A, Pig and Elephant D-N-A Just Won't Splice?". The kids look at each other. MR. MEPHESTO However maybe I could help you add a few asses to that swine of yours. CARTMAN You can keep your hands off of Fluffy's ass! Suddenly, Mr. Mephesto grabs a syringe and SHOVES it into Stan's arm and takes a blood sample. MR. MEPHESTO You know it's amazing what we can do with a little blood sample these days. STAN -- Ow! Mephesto quickly hides the syringe behind his back. MR. MEPHESTO Hmm? What? Oh excuse me.