It sure is handy having Brian the Brain for a best friend -- how else would Josh have a shot at first prize in the science fair and winning tickets to Wonderland Lake? But when Brian plans to hypnotize his dog, Arfie, into thinking he's a cat, Josh knows he can say goodbye to Wonderland Lake -- this scheme will never work. The next thing he knows, Josh is climbing trees and craving raw fish sandwiches. What's going on? Will the real science project please meow?