Lizzie and Charles's aunt Amanda runs a day care center for dogs. Lizzie loves to help out-especially after she meets a pesky but lovable pug named Pugsley. Pugsley is adorable, but he didn't earn the nickname Mr. Pest for nothing! His owners even decide he's too much of a handful to keep. Will Lizzie figure out how to get Pugsley to behave so she can find him the perfect forever home?