Season 1
12 episodes · Jul 18, 2006
The first season of the fantasy series set in the quirky and seemingly perfect small town of Eureka, where the hidden work of America's brightest scientists can lead to innovation or utter chaos.
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S1E1Pilot
Jul 18, 200685mAn accident leads a U.S. Marshal and a teenage girl to a peculiar town populated by scientists and their families where 10-year-old boys are in 11th grade, the local diner doesn't believe in menus, and E=MC² was just the beginning. Just as the Marshal starts to get settled into the swing of things, a local scientist develops a bomb that seems to appear anywhere and eats all the matter around it.
S1E2Many Happy Returns
Jul 25, 200643mThe citizens of Eureka attend the funeral of Susan Perkins, only to find out that she is in fact alive. Meanwhile the Sheriff moves into an underground bunker that is actually a 'smart house' controlled by a computer dubbed 'S.A.R.A.H., and begins to investigate a 'ghost' that has been appearing in town.

S1E4Alienated
Aug 8, 200642mAfter hosting a movie party, Spencer is found the next day in the middle of a crop circle, claiming he was abducted by aliens; and then other people who attended the party start to go missing as well. Elsewhere, the legislator responsible for Eureka's funding visits the town, and gets dragged into a Sector 5 experiment...
S1E5Invincible
Aug 15, 200644mAn unpredictable researcher accidentally unleashes a dangerous artifact which was previously hidden by Nathan Stark.
S1E6Dr. Nobel
Aug 22, 200643mA sleeping weapons system is accidentally awakened by Fargo and Spencer. Henry tries to avert the pending catastrophe with the help of a retired, nonsensical scientist.
S1E7Blink
Aug 29, 200642mCarter investigates an unusual car accident. Meanwhile, Stark, under the stress of completing a project on time, pressures two research teams to produce results.
S1E8Right as Raynes
Sep 5, 200644mA former resident returns to Eureka and creates mayhem which threatens Global Dynamics, prompting Stark to take action.
S1E9Primal
Sep 12, 200641mTaggart achieves a medical breakthrough while Fargo invents a device that bridges the divide between computers and human brains.
S1E10Purple Haze
Sep 19, 200644mStrange behavior exhibited by the townspeople is investigated by Carter,who has to solve the mystery before Stark makes a decision that could affect the world.
S1E11H.O.U.S.E. Rules
Sep 26, 200644mA bad day in the lab forces Carter to rethink his decision to live in Eureka, prompting an intervention from S.A.R.A.H. (the self Activated Residential Automated Habitat.
S1E12Once in a Lifetime
Oct 3, 200644mAmbition trumps common sense when Stark is given a chance to try out the Top-secret artifact. Once it's tested, Eureka warps into the future and ends up in 2010, where the town is different.