Sally and Nick are playing hide and seek, but Nick keeps sneezing! How can they stop it from happening? Good thing Cat's friend Cluey Looey will be able to help them! At Muddyfeet Waterhole they discover that Louie is having the same problem! Nothing a trip inside Louie's nose can't solve! Inside a super shrunken Thingamajigger, Nick, Sally and Cat discover what causes sneezing and what they can do to avoid it from happening!