Eureka (2006)
S04E01 Founder's Day
Episode Overview
Title: Founder's Day Plot: Eureka is buzzing with excitement for Founder's Day, but the festivities take an unexpected turn when Jack, Allison, Henry, Jo, and Fargo suddenly find themselves in 1947. As they navigate this unfamiliar era, they encounter some old friends in surprising roles. The group must figure out how to return to their own time in 2010 before they risk becoming permanent residents of a Eureka that exists as a military base rather than a town. Will they solve the mystery in time to escape the past?