Eureka Season 5 Episode 1 : Lost
The Astraeus crew returns to Earth to discover that they have been missing for four years and, in their absence, Eureka has moved on without them. SARAH is the head of Global Dynamics with an army of Andy replicas as her security force. Henry, having taken much of the blame for the loss of Astraeus, is no longer town mayor. Jack has raised Allison's children and is now dating Jo. Now reunited, Jack and Allison work with the others to overthrow SARAH and Andy's oppressive regime and restore balance to the town.