MAD Season 3 Episode 12 Taking Nemo / Once Upon a Toon >The residents of a seaside town are actually characters from shows of Cartoon Network's past that were transported to the 'real world' town by an evil force. However, Henry Swan gathers the characters consisting of Johnny Bravo, Dexter, Samurai Jack, Cow and Chicken, and others to stand up to this evil while tearing down the fourth wall. They soon discover that Dexter's sister Dee Dee is behind this threat so that she can have new shows on Cartoon Network like MAD. It turns out to be a nightmare experienced by Johnny Bravo until he notices Alfred E. Neuman, dressed as Elvis Presley, sitting in a chair next to him.