The first season of
premiered on July 18, 2006 on the cable network Eureka Syfy in the United States and concluded on October 3, 2006.
Andrew Cosby & Jaime Paglia
Peter O'Fallon July 18, 2006
While transporting his delinquent daughter back to Los Angeles, U.S. Marshal Jack Carter crashes his car near Eureka. He assists in a case involving a tachyon accelerator and is hired as the Sheriff.
Many Happy Returns
Jaime Paglia & Andrew Cosby
Jefery Levy July 25, 2006
Carter and the rest of the town are surprised by the arrival of Susan Perkins, a dead woman whose funeral they've all just attended.
Before I Forget
John Rogers (teleplay) & Karl Schaefer (story)
Michael Robison August 1, 2006
When a world-famous scientist visits Eureka, Carter and Henry realize that they cannot account for blocks of time.
Harry Victor and Dan E. Fesman (teleplay) & Varina Bleil and Betsy Landis (story)
Marita Grabiak August 8, 2006
Spencer is apparently abducted by aliens and then returned to earth the next day inside a crop circle. Also, the town is visited by the congressman whose committee is responsible for its government funding.
Dan E. Fesman
Michael Grossman August 15, 2006
The Artifact imbues scientist Carl Carlson with wondrous healing powers, but at a terrible price.
Dan E. Fesman & Harry Victor
Jeff Woolnough August 22, 2006
Carter must help an aging scientist recover his memory in time to stop a doomsday device from destroying the world.
Andrew Cosby & Jaime Paglia
Jefery Levy August 29, 2006
A mysterious death leads Carter to suspect foul play, but some individuals want to ensure that he doesn't delve too deep.
Right as Raynes
Mike Rohl September 5, 2006
A computer programmer who left Eureka after having a falling out with Stark returns at the same time that the town is hit by a computer virus.
Martin Weiss and Johanna Stokes (teleplay) & Karl Schaefer and Martin Weiss (story)
Colin Bucksey September 12, 2006
Nanoids designed to repair living tissue escape from a Global Dynamics lab and threaten to overrun Eureka. The threat gets worse when they gain the ability to take the form of living beings.
Johanna Stokes (teleplay) & Andrew Cosby and Jaime Paglia (story)
David Straiton September 19, 2006
The town's residents start acting out of character, and perhaps more in line with their subconscious impulses. Sheriff Carter and Zoe are the only ones unaffected. The father and daughter team search for the cause.
Jeff Woolnough September 26, 2006
Some of Eureka's prominent residents are locked inside Carter's house when S.A.R.A.H. (the house's computer) becomes fed up with the townsfolk's attitudes to one another.
Once in a Lifetime
Jaime Paglia and Andrew Cosby (teleplay) & Andrew Cosby and Jaime Paglia and Johanna Stokes (story)
Michael Lange October 3, 2006
Nathan Stark is given the opportunity to investigate "the Artifact." After it is tested, we cut to 2010 and Eureka is a very different place.