A bowling tournament brings a rival team from Area 51 to town, but when a practical joke goes too far Jack may be the town's only hope for survival. Meanwhile, Lexi is no ...

Carter finds out more than he bargained for when he's trapped in an alternate dimension with the new scientist. Meanwhile, the father of Lexi's babies comes to town. ...

Jo displays atypical behavior after a DNA scan malfunctions, unfortunately it's while she's interim sheriff when Carter is required to undergo a 48-hour DOD recertificati ...

Sheriff Carter interviews for a new job, Zoe braces herself for change, and someone works behind the scenes to make sure the new sheriff, a robot, fails. ...

All of Eva Thorne's secrets are revealed when she pushes for early destruction of the bunker. Zoe begins to experience the effect of the substance in which she slipped, l ...

The appearance of a second sun makes election week in Eureka a little more intense, and gives Eva Thorne an opening that may mean the end of Global Dynamics. ...

Carter's day begins with him catching Zoe planning to ditch school on encouragement from Lexi, He tells Zoe to go to school. While there she and two of her classmates fin ...

An opened sarcophagus unleashes a plague onto those who opened the tomb, and when it threatens Eureka, Carter has to devise a temperate fix. Meanwhile, Allison thinks she ...

It's Allison's wedding day, and Carter is stuck in a time loop that causes him to relive it over and over. Unfortunately, there's no simple act that will right things, an ...

Carter is frustrated when he's told to investigate when robotic dogs begin exploding, believing it's a waste of his time. He's even more frustrated when no one else feels ...

Carter and Allison search for a missing man in a bio-dome while Eva Thorne makes changes in town in the name of balance and efficiency. ...

The D.O.D. has sent in a business shark to perform an evaluation of Global Dynamics' viability, and everything that could possibly go wrong, does. Including a drone, whos ...

All the women of Eureka begin to pursue Carter, so something must be very wrong. ...

Zoe and her friends lose their voices, but whatever is causing the symptoms has an even worse effect on Allison and her only hope comes from an unusual source. ...

Carter begins to disappear on his anniversary, Zoe is stuck with another student for a school project, and Henry and Nathan examine the item Henry found. ...

When Allison puts a newly hired, but criminal, genius in Jack's care he's less than pleased, but then an accident in a lab causes most of GD to lose their smarts, and he ...

Groups of people begin sharing dreams in some embarrassing and conflicting ways as a result of some accident of convolutedly blended pairing of technologies and havoc ens ...

Debris starts raining down on Eureka on the day of the school's science fair, and there may be a connection to Zoe. ...

The people of Eureka start disappearing, and Jack is the only one who notices. ...

Henry and Jack struggle to deal with their losses as people begin burning to death for no apparent reason. At Global, Stark awaits the decision of the DOD. ...

After another lab accident Jack wakens to a whole new world. ...

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. ...

Taggart achieves a medical breakthrough while Fargo invents a device that bridges the divide between computers and human brains. ...

Odd fluctuations in computer-controlled environments may have something to do with the return of Eureka's prodigal son. ...

A car accident leads back to scientists at Global, Zoe finds a boyfriend, and Jack tries to drum up support for a town baseball league. ...

After Fargo triggers a device from the Cold War era, the race is on to shut it off before it starts a world war, but the only solution may lie in the depths of a demented ...

A lab accident causes a scientist to, seemingly, become indestructible, but Carter and Stark have their own concerns. ...

The presence of a crop circle leads to thoughts of an alien invasion, the future of Eureka is threatened when a congressman visits, and Jo and Jack work on their trust is ...

Jack shoots Henry after trying to arrest a mysterious man. Twenty-four hours earlier we meet Henry's two college friends who may be involved in Jack's memory loss. Everyt ...

The away team visits Doranda, inhabited according to the Ancient database. McKay doesn't detect any life signs however. In orbit they find a large destroyed Wraith fleet, ...

Henry struggles to decide on job prospect in New York; a revelation is made in the Candy Killer case; Margot confides in Tilly; Hook helps Henry prove himself to Ella. ...

Despite Tilly's warning, Rogers strikes a deal with Eloise. Ivy struggles to find herself after Victoria's death. In a far away realm, Hook confronts Captain Ahab about a ...