Carter searches for the person who sabotaged an experiment that puts Eureka in danger. "Mirror, Mirror" is the 11th episode of the show's fifth season.
Carter and Deputy Andy run into trouble when the town's communication system breaks down on Eureka. "Double Take" is the 12th episode of the show's fifth season.
Carter: You sure this is not some sort of science-geek-ren-faire thing? Allison: Well, either we are both having the same delusion or we are really stuck in 1947.
