The WORST Episodes of Eureka
Every episode ever - ranked by fan votes!
Last Updated: Oct 20, 2021
The sleepy Pacific Northwest town of Eureka is hiding a mysterious secret. The government has been relocating the world’s geniuses and their families to this rustic town for years where innovation and chaos have lived hand in hand. U.S. Marshal Jack Carter (Colin Ferguson) stumbles upon this odd town after wrecking his car and becoming stranded there. When the denizens of the town unleash an unknown scientific creation, Carter jumps in to try to restore order and consequently learns of one of the country’s best kept secrets.
#1 - You Don't Know Jack
Season 3 - Episode 16 - Aired Aug 28, 2009
It's a busy day for Global Dynamics and Eureka as Allison's labor begins during a sonic cleaning of the company, and the townspeople exhibit Alzheimer's disease at the same time.
#2 - Primal
Season 1 - Episode 9 - Aired Sep 12, 2006
Fargo invents a device that bridges the gap between computers and human brains
#3 - God is in the Details
Season 2 - Episode 10 - Aired Sep 11, 2007
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.
#4 - Show Me the Mummy
Season 3 - Episode 5 - Aired Aug 26, 2008
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.
#5 - O Little Town
Season 4 - Episode 10 - Aired Dec 7, 2010
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.
#6 - Bad to the Drone
Season 3 - Episode 1 - Aired Jul 29, 2008
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.
#7 - From Fear to Eternity
Season 3 - Episode 8 - Aired Sep 23, 2008
When a potentially world-altering scientific discovery from Eureka's past finally comes to light, can anyone be trusted with it? The question is far from rhetorical for Carter: Zoe's life is in immediate danger and Eva Thorne knows why.
#8 - Best in Faux
Season 3 - Episode 3 - Aired Aug 12, 2008
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.
#9 - Unpredictable
Season 2 - Episode 3 - Aired Jul 24, 2007
An isolated deep freeze trigger causes a chain reaction of sudden weather changes in Eureka.
#10 - Invincible
Season 1 - Episode 5 - Aired Aug 15, 2006
After a lab accident, Global Dynamics researcher Carl Carlson is expelled from Eureka due to lack of results. Later, it is discovered that the accident has unlocked hidden abilities in Carl. Meanwhile, Jack does his best to avoid a physical.
#11 - Duck, Duck Goose
Season 2 - Episode 5 - Aired Aug 7, 2007
Space debris threatens Eureka's existence after it accumulates into a large cloud. Carter investigates in an effort to avert potential disaster.
#12 - Friendly Fire
Season 5 - Episode 4 - Aired May 7, 2012
When a smart fire experiment gets out of control, Carter and team discover that the Astraeus victims may be the cause. Meanwhile, Fargo deals with Holly's death, Grace struggles to maintain her relationship with Henry, and Allison fights her feelings about Jo.
#13 - Momstrosity
Season 4 - Episode 6 - Aired Aug 13, 2010
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.
#14 - Have an Ice Day
Season 3 - Episode 17 - Aired Sep 11, 2009
Tess hopes her first day in charge of Global will be uneventful; the arrival of an Arctic ice core brings a new Ice Age to Eureka
#15 - Here Come the Suns
Season 3 - Episode 7 - Aired Sep 16, 2008
The town's mayoral race is disrupted when Zoe's science partner inadvertently causes a second sun to appear over Eureka.
#16 - Phased and Confused
Season 3 - Episode 6 - Aired Sep 9, 2008
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.
#17 - What Goes Around, Comes Around
Season 3 - Episode 18 - Aired Sep 18, 2009
Zoe prepares to leave for college. Tess receives a job offer in Australia. A magnetic disturbance hovers above Eureka.
#18 - Alienated
Season 1 - Episode 4 - Aired Aug 8, 2006
Spencer is apparently abducted by aliens and then returned to earth the next day inside a crop circle. Also, the town is visited by the congressman whose committee is responsible for its government funding.
#19 - Try, Try Again
Season 2 - Episode 2 - Aired Jul 17, 2007
Carter requests Stark's help after Fargo accidentally activates a personal force field, which causes mayhem.
#20 - All That Glitters
Season 2 - Episode 12 - Aired Sep 25, 2007
The town along with its residents mysteriously start to deconstruct. The prime suspect is an artist who couldn't get along with Stark when he was working at Global Dynamics.
#21 - Blink
Season 1 - Episode 7 - Aired Aug 29, 2006
Carter investigates an unusual car accident. Meanwhile, Stark is under stress to produce results on a project.
#22 - Family Reunion
Season 2 - Episode 7 - Aired Aug 21, 2007
A man who turns out to be Fargo's grandfather has been cryogenically frozen for 50 years. He is awakened from his slumber by accident with no recollection of how he was frozen. In addition to that, it seems that he is the father of lots of technologies at Eureka.
#23 - Right as Raynes
Season 1 - Episode 8 - Aired Sep 5, 2006
When the return of Eureka's star pupil causes problems all over town, Stark is forced to make a hard choice. Carter attempts to track down Zoe who has run off with the former resident.
#24 - All the Rage
Season 4 - Episode 3 - Aired Jul 23, 2010
Dr. Isaac Parrish, the brilliant director of the Non-lethal Weapons Lab, is feeling a little undervalued these days. Then all his latent hostility goes viral, infecting everyone with such fury that no one is safe, especially Fargo.
#25 - The Story of O2
Season 4 - Episode 4 - Aired Jul 30, 2010
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.