The electronic defect detector malfunctions so Emery decides to take over its role. Emery is too cautious and soon sends every Chugger in Chuggington to be repaired which causes chaos.
Brewster Meets The Mayor: Brewster is going to be carrying Mayor Pullman, the new Mayoress of Chuggington, across the newly re-opened Border Bridge in the traditional welcoming ceremony. Fault Finder Emery: The defect detector is a device that lets Vee know if there's anything wrong with chuggers as they pass by its scanners. Unfortunately, it seems to be malfunctioning!—Anonymous