The worst episodes of Eureka
Ranked by viewer rating, lows first. Lit marks on the season rail place this list across the run. Vote on a placement to back it or contest it.
- 01
The town's annual dog show gets into full swing—complete with exploding robotic canines. Meanwhile, Sheriff Carter experiences an isolated earthquake, Zoe contemplates quitting the accelerated physics program, and Allison starts fitting her wedding dress.
- 02
As an experiment that will recreate the first moments of the origins of the universe, the "Big Bang", goes terribly awry, the town's geniuses turn into morons, leaving the fate of Eureka in the hands of Jack Carter and an antisocial young ubergenius.
- 03
A series of strange events causes Eureka's residents to worry that a biblical plague may be upon them.
- 04
Eureka faces an inexplicable quandary when metal objects—and people too—begin turning to gold.
- 05
Global Dynamics goes into lockdown to protect itself from the now airborne metal-eating bacteria. Stuck inside GD, Sheriff Carter and Stark must work together to save both the town and Kevin, Allison's son.
- 06
Eureka is threatened by an intelligent drone with "issues" after an anti-missile test. Meanwhile, Eva Thorne, nicknamed "The Fixer", after dismantling and rebuilding several corporations, arrives in Eureka to evaluate Global Dynamics' expenditures.
- 07
Sheriff Carter and Allison investigate the disappearance of a scientist from a sealed biosphere. Meanwhile, "The Fixer" attempts to make Eureka's ventures more profitable.
- 08
The uneventful first day that Tess plans as the interim head of Global Dynamics is shattered by Taggart's reappearance and plunging temperatures caused by an ice core from the Arctic.
- 09
Reorienting himself to the timeline restored in "Once in a Lifetime", Sheriff Carter investigates a series of sudden deaths.
- 10
Strange happenings and spreading radiation at Global Dynamics lead to speculations that an abandoned research project concerning invisibility might have been revived. When Sheriff Carter accidentally becomes involved, the effects of invisibility threaten his life.
- 11
The women of Eureka become infatuated with Sheriff Carter, who they find irresistible.
- 12
A mysterious "superhero" who can walk through walls is causing a ruckus in Eureka. Meanwhile, Zoe and her friends become stranded with Zane Donovan in an abandoned subterranean facility.
- 13
Carter attends a job interview with the Department of Homeland Security. Deputy Lupo hands in her resignation on learning her new boss is a robot.
- 14
It is time for physical exams for the Sheriff's department and an upgrade for the town's security system, both Eureka-styled by Global Dynamics. Acting Sheriff Lupo seems almost loopy after the 48 hour extreme exam, and she volunteers to a DNA scan for the new security system, but then a malfunction occurs.
- 15
Carter can't get into the Christmas spirit especially with the town surrounded by a force-field. Fargo organizes the GD holiday party, and Allison is full of holiday cheer.
- 16
When an Egyptian tomb is opened at Global Dynamics, strange things start to happen, leading Fargo to believe it is the mummy's curse. The mummy, however, has disappeared, and Carter investigates.
- 17
The town's mayoral race is disrupted when Zoe's science partner inadvertently causes a second sun to appear over Eureka.
- 18
Carter investigates the deaths of scientists who drowned in less than liquid circumstances. Meanwhile, Allison's baby shower goes green.
- 19
What Goes Around, Comes Around
Tess' reign as head of Global Dynamics may be shorter than planned after she receives an offer from Australia. Elsewhere, the town deals with a magnetic disturbance and Carter must come to terms with Zoe leaving for college.
- 20
Carter's camping trip with Kevin becomes a little scarier than ghost stories by the camp fire when a malfunction with the AI at Global Dynamics may turn some of them deadly. Elsewhere, Henry thinks about telling Grace the truth.
- 21
When the return of Eureka's star pupil causes problems all over town, Stark is forced to make a hard choice. Meanwhile, Carter attempts to track down Zoe who has run off with the former resident.
- 22
A nanotech experiment escapes from Global Dynamics. The project, which bridges the gap between computers and human brains, threatens to overrun Eureka when it begins duplicating Stark.
- 23
An isolated deep freeze trigger causes a chain reaction of sudden weather changes in Eureka.
- 24
When the bowling team from Area 51 hits town, the long-standing rivalry-cum-war is reignited, and a prank goes horribly wrong. Now Carter not only has to mediate between Area 51 and the home team to prevent more destruction, but also deal with the consequences of the first prank: a blob with an insatiable appetite. Elsewhere, Duncan returns to plead his case to a resistant Lexi.
- 25
As Eureka celebrates Space Week, Dr. Ramsey unveils his cutting edge invention that could allow colonization of Mars. Unfortunately, a slight malfunction may cause it to incinerate Eureka before the dream is realized. Equally bad is that Eureka's go-to guy for crisis intervention has just gone to Boston to visit his daughter at Harvard.
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