10 Worst Episodes of Eureka

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 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.

Written by Sophie and last updated on feb 04, 2023.

PS: The following content contains spoilers!

PPS: I will admit that parts of this page was written with the help of AI - it makes my work so much easier to not start from a blank page!

Eureka - S2E3

#10 - Unpredictable (Season 2 - Episode 3)

An isolated deep freeze trigger causes a chain reaction of sudden weather changes in Eureka.

The episode was rated 7.82 from 508 votes.

Eureka - S1E5

#9 - Invincible (Season 1 - Episode 5)


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.

The episode was rated 7.81 from 619 votes.

Eureka - S4E3

#8 - All the Rage (Season 4 - Episode 3)

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.

The episode was rated 7.79 from 443 votes.

Eureka - S1E9

#7 - Primal (Season 1 - Episode 9)


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

The episode was rated 7.78 from 530 votes.

Eureka - S3E5

#6 - Show Me the Mummy (Season 3 - Episode 5)

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.

The episode was rated 7.75 from 424 votes.

Eureka - S1E4

#5 - Alienated (Season 1 - Episode 4)


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.

The episode was rated 7.74 from 638 votes.

Eureka - S3E17

#4 - Have an Ice Day (Season 3 - Episode 17)

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

The episode was rated 7.74 from 420 votes.

Eureka - S4E6

#3 - Momstrosity (Season 4 - Episode 6)


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.

The episode was rated 7.71 from 420 votes.

Eureka - S3E16

#2 - You Don't Know Jack (Season 3 - Episode 16)

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.

The episode was rated 7.69 from 406 votes.

Eureka - S2E10

#1 - God is in the Details (Season 2 - Episode 10)


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.

The episode was rated 7.62 from 465 votes.

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