The infamous, Most Wanted Goosebumps characters are out on the loose and they're coming after you! Catch them all, undead or alive! Ray Gordon really likes the circus. His uncle, Theo, is a performer in Koko's Klown Academy and he invites Ray to come join him for the summer. At first, Ray's parents are reluctant-they know their son has a habit of getting himself into strange situations. But Ray manages to convince them that he'll be on his best behavior....