Elliot and Vince McNally head out east to Zelton, MD, a town that insists upon having its own World's Fair every year despite incredibly poor attendance. Talking with the travelers is local famous inventor, Duck McTell (Janelle Blasdel). Plus, in a featured "Towning Around" segment, the boys and their guest get to wander the fairgrounds and talk to inventors Werner Van Bergen (Vince Koci), Liam Neeson (Elliot Matson) and Dylan Thurgood (Janelle Blasdel).