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 ...

A Cryo-Stasis chamber, supposedly empty, is discovered as occupied and the occupant ready to come out. It turns out to be Fargo's grandfather who had been presumed volunt ...

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. ...

A surprise visitor disrupts Jack and Zoe's lives; strange weather must be tracked to its source before it becomes an ice funnel of death. ...

When Fargo activates a mysterious device on Allison's first day, he endangers not only himself, but Global Dynamics and Eureka as well. ...

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. ...

When Stark stops Carter from investigating a crime, again, he decides to play hooky. When he contemplates getting away from Eureka, S.A.R.A.H., his house decides to make ...

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 ...

What appears to be a ghost begins terrorizing people and disrupting equipment shortly after a funeral, and even more surprising, one of the recently dead reappears alive. ...

After a strange accident sidelines Eureka's sheriff, U.S. Marshal Jack Carter takes over the investigation into the mysterious phenomenon that led to the death of a resid ...

Pete's goofing around with Lewis Carroll's mirror creates a mishap in the warehouse with bad consequences for Myka, but there's no time to learn of it as Artie has to sen ...

Doctor William Rush is not your average on-call professional. He's not attached to any hospital, he's highly discreet -- no matter the ailment, his clients must pay a cas ...

Doctor William Rush is not your average on-call professional. He's not attached to any hospital, he's highly discreet -- no matter the ailment, his clients must pay a cas ...

Doctor William Rush is not your average on-call professional. He's not attached to any hospital, he's highly discreet -- no matter the ailment, his clients must pay a cas ...

Rush struggles to make life changes for Sarah, but continues to be haunted by the ghost of his past. Eve deals with her last encounter with her ex, and Alex's mistakes co ...

Sarah's desire to find a sperm donor complicates things with Rush, while Alex tries to control the fallout with his wife. Elsewhere, Sarah encourages Eve to think about f ...

A rock star introduces Rush to a powerful hallucinogen that changes his perspective entirely. Elsewhere, Alex gets a taste of Rush's lifestyle, and Eve becomes concerned ...

Rush and Alex plan a weekend together without realizing Rush's ex and her new boyfriend will also be in attendance. Elsewhere, Rush treats a poliltician on the campaign t ...

Rush and his stepmother, Corinne go to lunch, leading to an unexpected outcome. Alex's marriage is strained because of his relationship with Rush. Rush helps a bail offic ...

Rush contends with a medical emergency and reaches out to his estranged father, while Eve must confront a figure from her past. ...