Paco sets up a school report on his walk on the beach. He teams up with a chimpanzee and a biologist who studies animal locomotion. At the university, the biologist shows Paco part of the skeleton of Lucy, the great evolutionary find of 1974. Miguel goes to a dinosaur burial ground in northern Montana.THE BLOODHOUND GANG: ""The Case of the Computer Caper, Part Four."" With the barest of clues, a restaurant's souvenir pen, the gang traces the man who stole the computer files.