Mulberry Springs Elementary's cafeteria chef, Lunchroom Larry, has a secret new recipe he guards closely. When Mike gets suspicious about exactly what is in the dish, the detectives take on the case of the mystery mash, learning about how food travels -- from near and far -- to find its way to our plates.
Millie dozes in class, only to wake up in Mulberry Springs Elementary in the mid-1970s. The school is abuzz with the discovery of a dinosaur egg, but Millie and her mid-century classmates are determined to get proof -- which is a tall order without cell phones, computers or the tools of modern science to help.