The Lost Lost-and-Found Case

It's Career Day at Coral Cove Elementary School! Mack and his assistant Redd Oxpeck have been invited to participate and Mack is extra excited to be this year's honorary speaker. But, soon after Mack and Redd arrive, they discover that the school's Lost-and-Found is... lost! Luckily, Mack and Redd are on the job.