The WORST Episodes of Eureka

Every episode ever - ranked by fan votes!

Last Updated: Oct 20, 2021

Network: Syfy

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.

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You Don't Know Jack

#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.

star 7.09
3,039 votes
Directors: James Head
Writers: Eric Wallace

#2 - Primal

Season 1 - Episode 9 - Aired Sep 12, 2006

Fargo invents a device that bridges the gap between computers and human brains

star 7.31
2,976 votes
Directors: Colin Bucksey
Writers: Johanna Stokes, Martin Weiss (II)
God is in the Details

#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.

star 7.35
2,600 votes
Directors: Mike Rohl
Writers: Eric Wallace
Show Me the Mummy

#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.

star 7.36
2,774 votes
Writers: Curtis Kheel
O Little Town

#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.

star 7.45
4,159 votes
Directors: Matt Hastings
Writers: Eric Tuchman
Bad to the Drone

#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.

star 7.46
3,122 votes
Directors: Bryan Spicer
Writers: Jaime Paglia
From Fear to Eternity

#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.

star 7.47
2,961 votes
Directors: Eric Laneuville
Writers: Thania St. John
Best in Faux

#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.

star 7.47
2,835 votes
Directors: Paul Holohan
Writers: Bruce Miller

#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.

star 7.47
2,820 votes
Writers: Thania St. John

#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.

star 7.48
3,332 votes
Directors: Michael Robison
Writers: John Rogers
Duck, Duck Goose

#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.

star 7.49
2,675 votes
Directors: Michael Lange
Writers: Ethan Lawrence
Friendly Fire

#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.

star 7.49
3,362 votes
Directors: Michael Rohl
Writers: Amy Berg

#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.

star 7.52
4,724 votes
Directors: Mike Rohl
Writers: Rob Milbauer, Terry Hughes Burton
Have an Ice Day

#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

star 7.53
3,164 votes
Directors: Joe Morton
Writers: Bruce Miller, Charles Grant Craig, Constance M. Burge, Joan Binder Weiss
Here Come the Suns

#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.

star 7.54
3,107 votes
Directors: Oz Scott
Writers: Eric Wallace, Jaime Paglia
Phased and Confused

#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.

star 7.54
2,888 votes
Directors: Michael Robison
Writers: Nick Wauters
What Goes Around, Comes Around

#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.

star 7.55
3,551 votes
Directors: Matt Hastings
Writers: Jaime Paglia

#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.

star 7.55
3,127 votes
Directors: Marita Grabiak
Writers: Dan E. Fesman, Harry Victor
Try, Try Again

#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.

star 7.56
2,903 votes
Directors: Michael Nankin
Writers: Charles Grant Craig
All That Glitters

#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.

star 7.56
2,579 votes
Writers: Thania St. John

#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.

star 7.57
2,948 votes
Directors: Jefery Levy
Writers: Andrew Cosby, Jaime Paglia
Family Reunion

#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.

star 7.57
2,577 votes
Directors: Michael Lange
Writers: Jaime Paglia
Right as Raynes

#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.

star 7.58
2,951 votes
Directors: Michael J. Rohl
Writers: Johanna Stokes
All the Rage

#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.

star 7.62
4,698 votes
Directors: Mike Rohl
Writers: Kira Snyder
The Story of O2

#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.

star 7.62
4,693 votes
Directors: Colin Ferguson
Writers: Eric Tuchman, Jill Blotevogel