Eureka (2006)

S2E12 All That Glitters

Title: All That Glitters Plot: Beverly Barlow makes her comeback to the town of Eureka just when a menacing bacterium begins to wreak havoc, transmuting everything into gold before it decays into rust — and that includes the townspeople. As chaos unfolds, Beverly must rally the community to confront this bizarre threat and find a way to stop the transformation before it’s too late.