When Willie leaves Earnest, the family bloodhound, at the park by accident, all the Barrys and their friends come together for ""Operation Find Earnest."" The kids are heartbroken over the loss of the dog, and Dave and friends go to great lengths to find him. Kenny and Shel help to draw the missing dog flyers and Mia uses her psychic abilities only to discover that Kenny is about to meet the girl of his dreams. But when Earnest is finally found, new problems surface that may keep the Barrys from their family pet forever.