Season 1

01 Pilot Episode 118th July 2006 An 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. 02 Many Happy Returns Episode 225th July 2006 The 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. 03 Before I Forget Episode 31st August 2006 Something starts to steal the townspeople's memory... 04 Alienated Episode 48th August 2006 After 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... 05 Invincible Episode 515th August 2006 An unpredictable researcher accidentally unleashes a dangerous artifact which was previously hidden by Nathan Stark. 06 Dr. Nobel Episode 622nd August 2006 A 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. 07 Blink Episode 729th August 2006 Carter investigates an unusual car accident. Meanwhile, Stark, under the stress of completing a project on time, pressures two research teams to produce results. 08 Right as Raynes Episode 85th September 2006 A former resident returns to Eureka and creates mayhem which threatens Global Dynamics, prompting Stark to take action. 09 Primal Episode 912th September 2006 Taggart achieves a medical breakthrough while Fargo invents a device that bridges the divide between computers and human brains. 10 Purple Haze Episode 1019th September 2006 Strange 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. 11 H.O.U.S.E. Rules Episode 1126th September 2006 A 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. 12 Once in a Lifetime Episode 123rd October 2006 Ambition 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.