When Doctor Von Snotenstein and his snot-bots invade the city, Jimmy tries to beat the evil doctor with his super sneezes, but his cold medicine has left him unable to sneeze.

Jimmy Sniffles and his class go on a field trip to the museum to see the Mummy of Amun-Set, which some believe to be cursed, and when some artifacts go missing, Jimmy starts to believe the legend and uses his nose to track down the answers.