When Barry is too busy to help Shelby build her new website, Shelby must take matters into her own hands! Meanwhile, Cyd and Naldo win a boat and try to hide the huge cruiser in the backyard.

Cyd turns into a menacing werewolf when she accidentally gets some of Barry's wolf serum on herself. Shelby then tries to figure out how to counteract the serum before the she-wolf destroys the school's Halloween carnival.